繁體中文
不翻译
简体中文
English
繁體中文
日本語
한국어
切換到窄版

WK綜合論壇, WK综合论坛

 找回密碼
 立即注册
樓主: wk007

鄉下的妹子太便宜,一次四個都要了[12P]

[複製鏈接]
發表於 2025-1-4 03:25:35 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old+ @- B  _$ w% O1 i
Boy Induced by Indirect Topical
% w3 q# F% u9 \# TExposure to Testosterone
' l6 b  j5 ?) a/ f# Q2 WSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2/ \, d/ o/ d/ |' c. s8 I! Z' y
and Kenneth R. Rettig, MD1% Y+ a  c; F5 p% T3 p
Clinical Pediatrics
$ A& U: S) K2 IVolume 46 Number 69 Y# b3 J4 s( E$ `
July 2007 540-5438 Y8 R) I. z. ^# R& r+ w
© 2007 Sage Publications6 w' `4 \4 k7 f; o
10.1177/0009922806296651
. k3 ^( O2 p$ b9 hhttp://clp.sagepub.com9 j! S0 m9 k  J& v
hosted at
6 l; m& A. F& d: O( n$ U; U$ [http://online.sagepub.com  A; s" h+ D6 I# g  ^+ k( f
Precocious puberty in boys, central or peripheral,) x% D& M+ i6 q7 t6 Q: z" ?7 E
is a significant concern for physicians. Central
" U: w. R# T- V1 cprecocious puberty (CPP), which is mediated
5 [# m8 Q* L0 ]: l4 r; h+ c. uthrough the hypothalamic pituitary gonadal axis, has. i/ c! }1 N; K, D4 L. I+ o- b
a higher incidence of organic central nervous system+ I2 G+ V2 V! Y: ?. V, {4 O# c7 g! g
lesions in boys.1,2 Virilization in boys, as manifested
' T7 H) x6 y# o: b1 @! a& Rby enlargement of the penis, development of pubic  w& Y4 Q" h" W- P( U) r$ v- ?  N
hair, and facial acne without enlargement of testi-7 q: z( t# Z: e
cles, suggests peripheral or pseudopuberty.1-3 We
: u0 @$ a' ?8 ^: ereport a 16-month-old boy who presented with the- k0 D3 f5 A& J+ D( j* F
enlargement of the phallus and pubic hair develop-
& p1 e9 |* t, ~& }+ y; m1 Z2 X- Mment without testicular enlargement, which was due0 R& K0 ?  a6 E7 r+ Q
to the unintentional exposure to androgen gel used by( I/ \& \/ l3 d; ?$ B$ o7 X7 l- E4 m( Y
the father. The family initially concealed this infor-
% q) y# R& D; C9 p$ Hmation, resulting in an extensive work-up for this5 Q' ?8 K3 E( Z8 @# D0 P
child. Given the widespread and easy availability of9 M6 W; o+ C- }( m7 D8 x7 q% x
testosterone gel and cream, we believe this is proba-5 X1 t4 o! A# R. M) ?9 v6 e
bly more common than the rare case report in the
7 e5 K# _7 G6 Y( ~7 v; Sliterature.4* T4 O4 d6 i5 u8 K) }% _9 y. j- t5 O
Patient Report
! _0 Y( l4 T3 p- ~+ z5 ~  hA 16-month-old white child was referred to the
0 b+ E. Y% W4 N2 y) S4 `  n! f* yendocrine clinic by his pediatrician with the concern! r6 b9 K# a  Y0 ^+ g
of early sexual development. His mother noticed
" O! i# U/ O  H1 M( a! ^9 R% Dlight colored pubic hair development when he was
6 E# f6 L0 b% P! y; ]' [( ~From the 1Division of Pediatric Endocrinology, 2University of. M. I6 g" T, F+ y& {
South Alabama Medical Center, Mobile, Alabama.
8 z; M$ b" G, fAddress correspondence to: Samar K. Bhowmick, MD, FACE,- L# h) t& p( |* [5 G
Professor of Pediatrics, University of South Alabama, College of
7 n; u' ?6 E; ^Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;0 F# v* P9 K  R; \+ {2 O0 M
e-mail: [email protected].+ L* ^  u! R9 t% ^
about 6 to 7 months old, which progressively became3 H4 ~0 n9 }+ V- {" H7 o& H+ p
darker. She was also concerned about the enlarge-
5 ?6 n; ^/ t$ s# L$ P7 ~2 Ument of his penis and frequent erections. The child
6 a) q+ N- W/ r' twas the product of a full-term normal delivery, with
4 h/ U" x* t& \a birth weight of 7 lb 14 oz, and birth length of+ c0 E+ v! w, I. [( q7 d
20 inches. He was breast-fed throughout the first year: q, E% |  B  z/ g
of life and was still receiving breast milk along with# R+ a+ B& z9 H% z) X9 Z
solid food. He had no hospitalizations or surgery,& R7 o* j* ^; G/ p: F2 q9 l0 `
and his psychosocial and psychomotor development
; T, U" U- C8 x. ewas age appropriate.9 ?. ~% c( V5 C" z2 i
The family history was remarkable for the father,
. e  ]# X( y5 k% j- _1 ]7 @who was diagnosed with hypothyroidism at age 16,
9 A- T7 m- |0 H6 K  ]' a' wwhich was treated with thyroxine. The father’s
! o6 b! \  J2 T0 dheight was 6 feet, and he went through a somewhat+ d" ^; w) W4 ~5 |
early puberty and had stopped growing by age 14.. S9 Y8 q: _) \; n
The father denied taking any other medication. The
# a0 P) g4 P8 Ochild’s mother was in good health. Her menarche
: h7 x' x& Q7 ^$ @: `8 J: _was at 11 years of age, and her height was at 5 feet
; R1 M. c, C$ s4 N" c- R  q5 inches. There was no other family history of pre-; N: ~0 H1 [; X
cocious sexual development in the first-degree rela-* U1 I. v5 ^  }/ B3 R
tives. There were no siblings.+ C( B4 A5 {7 M4 ]: Y
Physical Examination
1 s3 b* D9 r6 T2 U) ?8 K8 e9 y9 c" JThe physical examination revealed a very active,& ?! J' m+ O* Z
playful, and healthy boy. The vital signs documented- W' N0 |& k/ Q- X" e, S9 g" {' g8 _
a blood pressure of 85/50 mm Hg, his length was5 Y% B! f* g4 |( i* a3 t9 H* Q
90 cm (>97th percentile), and his weight was 14.4 kg
! g( i% w# i1 u+ ]# G0 x(also >97th percentile). The observed yearly growth
$ t4 C2 V  f1 M' f- Wvelocity was 30 cm (12 inches). The examination of
! u* v7 h: ?/ t# J, Z: Athe neck revealed no thyroid enlargement.& b- q1 y  E8 k+ a7 y) W2 N
The genitourinary examination was remarkable for! n% U' m7 O2 X  }
enlargement of the penis, with a stretched length of
0 V3 M  {( K; L7 y8 cm and a width of 2 cm. The glans penis was very well
4 t  @% a3 Q" Q! j2 R6 edeveloped. The pubic hair was Tanner II, mostly around
$ W& {6 c' C1 x; V540
% h4 k9 m4 b1 G1 @1 |, I& Aat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
+ h( ~) |0 z3 U8 p) Lthe base of the phallus and was dark and curled. The
0 V3 Q: q. k( t8 [' T5 b; ]testicular volume was prepubertal at 2 mL each.' \6 t& ]- y% {4 J! k/ _+ f
The skin was moist and smooth and somewhat2 k3 `; Y+ M5 r) ?; _: F
oily. No axillary hair was noted. There were no
! t7 y2 C- M3 t. I8 k' Babnormal skin pigmentations or café-au-lait spots.
7 L) q8 k' R0 GNeurologic evaluation showed deep tendon reflex 2+
" m  U% l& L- ]$ s! Nbilateral and symmetrical. There was no suggestion$ I! Y4 D( P: z) K. c  Y
of papilledema.
1 M# G$ i3 @/ z8 KLaboratory Evaluation
- W# w5 j( |! u9 F$ u' gThe bone age was consistent with 28 months by  Z# J3 v1 v- z% D  V# q4 h
using the standard of Greulich and Pyle at a chrono-
8 n# Q' g3 N" T5 T1 llogic age of 16 months (advanced).5 Chromosomal5 Q4 ], _2 Q2 g% r' T/ u4 C$ I0 U. z4 H
karyotype was 46XY. The thyroid function test/ i+ S2 o! D. e! z( m
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
3 P: ~1 f$ \, x: ]lating hormone level was 1.3 µIU/mL (both normal)./ S& o5 M  S* P0 {  H7 B
The concentrations of serum electrolytes, blood! V' [0 {2 ]% @8 z5 n7 J
urea nitrogen, creatinine, and calcium all were' q% q9 ?* V+ @$ Y/ {
within normal range for his age. The concentration
! E' g, f) a9 k; \4 v  K: Tof serum 17-hydroxyprogesterone was 16 ng/dL; R1 \5 [9 \( P% W. R7 s
(normal, 3 to 90 ng/dL), androstenedione was 20
0 I: |: r" j8 X: |. D' ~, tng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-  @% c7 b3 R& V5 F7 M8 v
terone was 38 ng/dL (normal, 50 to 760 ng/dL),5 G4 N& o/ o9 r
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
/ h9 j7 }! ^; h2 W! ^7 M49ng/dL), 11-desoxycortisol (specific compound S)
1 p) R$ R5 i1 C7 o2 ]was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
! [% n0 y: p" W7 Jtisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total! p/ o' P* o* k, U! b4 E2 U( u1 b
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),2 x0 ]4 j$ n4 ]& X" j( [
and β-human chorionic gonadotropin was less than- ?$ L- l+ ^! A# b$ q
5 mIU/mL (normal <5 mIU/mL). Serum follicular
& a# e% M. E! W  Astimulating hormone and leuteinizing hormone
5 J; w% l, h7 y4 V/ Uconcentrations were less than 0.05 mIU/mL2 w5 X3 b2 x4 H4 F7 H& E1 C
(prepubertal).
8 Y* P# y& G/ I) ]# j+ E3 u! c7 KThe parents were notified about the laboratory0 f. k! _  z" j
results and were informed that all of the tests were
# @# w& |$ \% f! O) J- Anormal except the testosterone level was high. The
2 t/ B, [  D. ]' Y: x/ Y. d) i9 Z1 h9 yfollow-up visit was arranged within a few weeks to4 v  [# G5 G- U- m& a2 ~
obtain testicular and abdominal sonograms; how-$ C0 |; d) s6 c
ever, the family did not return for 4 months.
/ P) N8 p- r2 S: x" o) m6 Z1 F2 @& g4 APhysical examination at this time revealed that the
! L5 K9 {7 [' m6 d: Ychild had grown 2.5 cm in 4 months and had gained: C  r! A7 p0 |, t4 H+ i
2 kg of weight. Physical examination remained
3 V+ o1 N. |- \' P. _$ K8 M! Yunchanged. Surprisingly, the pubic hair almost com-
4 c  R5 J" a* H2 V2 s1 S* l1 Vpletely disappeared except for a few vellous hairs at- r: `- {/ [# b% O8 U/ u
the base of the phallus. Testicular volume was still 2! r* m$ x$ D9 r, x" M+ d+ s3 H
mL, and the size of the penis remained unchanged.
: F4 A& A# C* k! @$ M9 e0 }( qThe mother also said that the boy was no longer hav-
& j: I  P2 s9 O* }" a' {: Aing frequent erections.
$ @( @9 y: f3 S/ t7 z2 O* D$ ]Both parents were again questioned about use of6 m7 q6 S- U- Q; C, [" s+ Y! g
any ointment/creams that they may have applied to
: B0 c) ~- t; X- w5 ], xthe child’s skin. This time the father admitted the6 [  f3 e1 A# B2 L! k" ?
Topical Testosterone Exposure / Bhowmick et al 541
3 `' C& X  I/ k/ B3 vuse of testosterone gel twice daily that he was apply-9 h3 Z4 K: U. L" [* P. \2 r, K+ m
ing over his own shoulders, chest, and back area for
$ Q- ]! \* n  K) B4 f- R+ Ha year. The father also revealed he was embarrassed
" t0 M! D7 n  v, U7 {to disclose that he was using a testosterone gel pre-
: l" L: H# h& G% Cscribed by his family physician for decreased libido* b7 _# C+ Y9 N( }
secondary to depression.
! B" K7 t# f1 }6 r1 }# X' ^) kThe child slept in the same bed with parents.
8 C& t, h; M* ~4 _; _  R/ _  \The father would hug the baby and hold him on his' H8 ^  K( G9 n- j; N
chest for a considerable period of time, causing sig-
6 u6 X# F3 r1 wnificant bare skin contact between baby and father.! r* y. |: R3 T0 D
The father also admitted that after the phone call,
6 ]4 D2 g# D6 z, Awhen he learned the testosterone level in the baby
  v# p: h; _  R) v6 T+ B8 Swas high, he then read the product information, n5 y3 U4 g; b
packet and concluded that it was most likely the rea-
2 `  c, K& U, X4 cson for the child’s virilization. At that time, they, J$ \- w. B  Q' y) }" V
decided to put the baby in a separate bed, and the
7 B4 Z+ u& R3 J. rfather was not hugging him with bare skin and had& s4 I  j" _7 ~/ j' l9 g; |4 ^
been using protective clothing. A repeat testosterone% f& L% ?/ i$ R- i( q
test was ordered, but the family did not go to the
# u6 b2 o; k2 Q% r4 Rlaboratory to obtain the test.. t+ y8 @( f3 t6 e  G: B% E8 c
Discussion2 d. g. ^' Q; t+ B! x
Precocious puberty in boys is defined as secondary
, H; z' u. x7 ]5 r7 t# Lsexual development before 9 years of age.1,4, p: N4 x$ D8 E% u6 C3 s( |
Precocious puberty is termed as central (true) when$ X& M6 e0 {1 k& F4 g7 v. v
it is caused by the premature activation of hypo-* v* y# {0 C. Z3 P8 w
thalamic pituitary gonadal axis. CPP is more com-2 C- M5 c4 W7 C* a3 i8 |
mon in girls than in boys.1,3 Most boys with CPP
3 F/ Y# I2 ?# l+ xmay have a central nervous system lesion that is
6 t) u- g6 M% M/ a; j0 Uresponsible for the early activation of the hypothal-2 t/ R% h' I; t4 Y6 ?
amic pituitary gonadal axis.1-3 Thus, greater empha-
+ i8 x9 j6 ~1 S6 ^6 A/ Osis has been given to neuroradiologic imaging in" N- k! n, ?% S" L7 A$ g
boys with precocious puberty. In addition to viril-
. g4 r1 P! p& j: t' yization, the clinical hallmark of CPP is the symmet-1 ^+ A5 j* ^" T% G+ `0 U/ n3 C
rical testicular growth secondary to stimulation by; Y& z* T( U3 R# ~8 s# h0 o
gonadotropins.1,3
' T& C2 v8 k' pGonadotropin-independent peripheral preco-
: y0 N# w/ N" g+ b. `cious puberty in boys also results from inappropriate+ \7 s0 F: z' P; e5 P3 k+ ^
androgenic stimulation from either endogenous or
4 I- D2 n8 ^7 `- zexogenous sources, nonpituitary gonadotropin stim-, x1 ?1 l1 `, M# w+ ]' b: p3 r
ulation, and rare activating mutations.3 Virilizing
) e. u( y, B# F4 B6 Qcongenital adrenal hyperplasia producing excessive
& D9 B' [3 d4 j' `3 A1 Y2 n! \% Radrenal androgens is a common cause of precocious
8 K( Y% y; r$ t( p  N0 }puberty in boys.3,4
; R% P1 A1 p6 V4 m$ o7 eThe most common form of congenital adrenal$ n. }  \# J: a# @
hyperplasia is the 21-hydroxylase enzyme deficiency.
4 _. Y/ O1 ?" y8 rThe 11-β hydroxylase deficiency may also result in- G! H8 y/ b2 Q  Y- W# d
excessive adrenal androgen production, and rarely,
+ p" x; t/ t- J0 O9 d4 Aan adrenal tumor may also cause adrenal androgen  Q! @7 f# s2 T) H- i% _9 z
excess.1,3- |5 ]1 w& X( G4 x
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
6 S& M; l0 `3 M542 Clinical Pediatrics / Vol. 46, No. 6, July 20072 s2 m( _( I- e5 k: u  C$ o
A unique entity of male-limited gonadotropin-
5 w, x: O, \* P+ V6 \independent precocious puberty, which is also known
) i8 {1 |% Y+ f. }5 c  [7 T: Pas testotoxicosis, may cause precocious puberty at a% u! x" h# m. e
very young age. The physical findings in these boys
, D# f# M0 l# {! twith this disorder are full pubertal development,/ Q4 g# P8 y+ u, }4 F1 u
including bilateral testicular growth, similar to boys
/ G1 I% S3 x5 m' a. T6 V7 bwith CPP. The gonadotropin levels in this disorder
' @5 c; R! A( hare suppressed to prepubertal levels and do not show
9 }2 x! }% D% c$ T$ Q' Ppubertal response of gonadotropin after gonadotropin-
9 D1 V& U2 }3 g+ h7 W& W% ]+ g9 [2 ireleasing hormone stimulation. This is a sex-linked
, T) l+ N. L6 ]3 U, q) p! jautosomal dominant disorder that affects only
; e  K/ e4 @: a" ymales; therefore, other male members of the family
6 D: K$ K4 Q8 tmay have similar precocious puberty.3
5 a1 G; w4 k, c$ qIn our patient, physical examination was incon-; M! r. E1 v1 y' u# Q
sistent with true precocious puberty since his testi-
9 H1 I5 F( q' N0 ccles were prepubertal in size. However, testotoxicosis7 L9 a" `6 P0 O  B, l5 \
was in the differential diagnosis because his father
, V$ k  f- \4 P0 y! Gstarted puberty somewhat early, and occasionally,
* t% e3 B$ @+ n3 F4 v0 ~testicular enlargement is not that evident in the
  B2 ^8 C) W# N) Ybeginning of this process.1 In the absence of a neg-
: g7 T5 L0 i7 M. j" ^ative initial history of androgen exposure, our
5 J; Q# R# D/ n! A6 c% wbiggest concern was virilizing adrenal hyperplasia,+ Q; x0 p  o" l& t! a+ h6 \- g$ S
either 21-hydroxylase deficiency or 11-β hydroxylase
% }6 i- J8 R% s4 ?6 ]& }) o$ g) Ydeficiency. Those diagnoses were excluded by find-
1 O6 q3 [2 \" V3 Xing the normal level of adrenal steroids.+ ~* `- W9 [0 H/ Z3 y2 I0 v1 O" u; H
The diagnosis of exogenous androgens was strongly& E8 j$ H, J; y: x. P4 A
suspected in a follow-up visit after 4 months because
# J$ Q7 J$ [4 ~" I0 s4 ?- Nthe physical examination revealed the complete disap-5 K4 O- E0 T3 L  w/ ^2 c* V! u
pearance of pubic hair, normal growth velocity, and
: T% N. J. n' ddecreased erections. The father admitted using a testos-
% h- J6 g# O$ _. h0 W, xterone gel, which he concealed at first visit. He was5 e0 g3 \* m, ]/ l1 `& [) x8 h  \7 J
using it rather frequently, twice a day. The Physicians’
3 \% C  K. _9 }' a: HDesk Reference, or package insert of this product, gel or/ E7 `! O; g5 R1 G
cream, cautions about dermal testosterone transfer to0 N8 K' N8 S4 S6 I7 B# F5 O& G0 c$ T
unprotected females through direct skin exposure.
+ V5 H: q3 b9 f" l! Z% o" z; sSerum testosterone level was found to be 2 times the4 o( ~6 z3 R( e0 A4 ?" ~% `
baseline value in those females who were exposed to/ B0 P/ v3 P* t6 S7 j. I# R5 \7 O
even 15 minutes of direct skin contact with their male# {2 W! @( {: ?3 G4 [
partners.6 However, when a shirt covered the applica-
5 Y4 x! ^0 m, e, u' k8 A2 j$ \tion site, this testosterone transfer was prevented.  b  p; w4 ^/ t  ~! n: ]/ c
Our patient’s testosterone level was 60 ng/mL,
% q4 r' v. X$ ~' Z, l$ a8 Iwhich was clearly high. Some studies suggest that% Y1 _' V4 b, u' G" g
dermal conversion of testosterone to dihydrotestos-
! {( M4 M! E7 L9 z& ~1 b. o- F* o' E8 J: Sterone, which is a more potent metabolite, is more6 s/ w' {: ]* }" x/ s8 K4 {2 J
active in young children exposed to testosterone
' M' M% d  ?' p6 Yexogenously7; however, we did not measure a dihy-' b8 _5 ~" v7 Q1 r. |3 _
drotestosterone level in our patient. In addition to
7 Y4 u2 O1 E0 H* V3 fvirilization, exposure to exogenous testosterone in
6 H+ Q6 ?: L% T4 _0 tchildren results in an increase in growth velocity and
2 o6 y, e, l4 X2 ~# Oadvanced bone age, as seen in our patient.
' N; y5 [- K; |/ `' N% [' S+ x$ w$ OThe long-term effect of androgen exposure during2 @9 w8 Y/ X, g: D/ @8 k9 i
early childhood on pubertal development and final
! F6 C9 u* r! h5 {6 Y3 b8 J/ H+ u4 tadult height are not fully known and always remain
. `+ f/ v1 i; O# C, Fa concern. Children treated with short-term testos-. P# g8 V2 f: L- L6 B# {. X8 ~
terone injection or topical androgen may exhibit some
$ x0 u9 ]$ E% x7 {acceleration of the skeletal maturation; however, after0 c* S; B9 o3 }: {% u  j( l
cessation of treatment, the rate of bone maturation" B' P9 c( r6 g# b
decelerates and gradually returns to normal.8,9) |' ?1 E) P' F/ K- E% E
There are conflicting reports and controversy
5 k8 @/ M) h4 o6 p* U4 u. Aover the effect of early androgen exposure on adult. J5 E1 y) a$ _" O. k
penile length.10,11 Some reports suggest subnormal
. d" j& P$ h# T% a7 b5 i; W& u* z, Cadult penile length, apparently because of downreg-5 G4 t& h. [: Q( T$ t% Y  H
ulation of androgen receptor number.10,12 However,
; X! {8 v0 V' ^2 g* \% S9 CSutherland et al13 did not find a correlation between2 ?/ k' L& ]" `6 l0 L: d
childhood testosterone exposure and reduced adult' k3 Z5 [+ K/ d
penile length in clinical studies.5 j# y# n! n2 ~# Q" q
Nonetheless, we do not believe our patient is
7 G) n2 W. {. Q( _# T, g  cgoing to experience any of the untoward effects from
/ h/ H0 S( d, r' R. B' o6 S+ j6 mtestosterone exposure as mentioned earlier because
3 I0 i: B: v3 d0 sthe exposure was not for a prolonged period of time.5 V& V9 Y) l0 y# E3 p) q
Although the bone age was advanced at the time of4 L) |' {0 Z8 @7 J1 @: q; ]: m
diagnosis, the child had a normal growth velocity at% ~) T# V: S# X- O( o2 a
the follow-up visit. It is hoped that his final adult
- D2 r4 h+ C5 f) \  ?+ I/ t+ qheight will not be affected.
) f2 V, i& g7 B: V( @$ WAlthough rarely reported, the widespread avail-' z9 f6 [* r9 a6 S
ability of androgen products in our society may- v; O$ l9 U& {! j/ k
indeed cause more virilization in male or female
7 Z1 b2 j4 L7 r/ |7 }; ?7 kchildren than one would realize. Exposure to andro-
2 b" ^' `2 U1 Vgen products must be considered and specific ques-
% @3 X; f; D5 u+ w8 i) Ctioning about the use of a testosterone product or, Q5 @& T( ^. N
gel should be asked of the family members during7 x9 J" N* z  u) b( V/ ^* ^2 F; q9 e
the evaluation of any children who present with vir-0 u+ j. E5 Y. |
ilization or peripheral precocious puberty. The diag-1 q2 s* B) f" S4 V; a
nosis can be established by just a few tests and by
5 D+ E, L; b7 x0 \appropriate history. The inability to obtain such a/ C; [9 V: l' {+ j  t# p1 x5 O1 h* y
history, or failure to ask the specific questions, may
/ p! W- ^! j$ L, [result in extensive, unnecessary, and expensive" X0 F3 U' c9 N4 u
investigation. The primary care physician should be
- L' n3 l( H0 Saware of this fact, because most of these children+ h+ \4 j7 ]+ a0 ^
may initially present in their practice. The Physicians’0 c# n1 ?- d2 e' O( m$ K
Desk Reference and package insert should also put a: |8 ]7 @9 u! u% V9 D3 N6 i
warning about the virilizing effect on a male or' \* ?% {; \) I3 C" m* x
female child who might come in contact with some-! F" u9 J; M* u3 f
one using any of these products.. [( ^3 X' _: g& p
References
3 Q5 H7 y3 d- `6 F2 x) z1. Styne DM. The testes: disorder of sexual differentiation/ `, y4 J  M3 y, T0 s# P. \
and puberty in the male. In: Sperling MA, ed. Pediatric
8 p2 u6 j9 D  l$ e( U! YEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;0 f7 X  f6 f% Q/ a0 G4 A& \( V: }
2002: 565-628.0 x. ^* P' ]& U# R
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
$ N7 }+ q  d/ D. |' ]; t( Jpuberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old% C6 ?, I) Z6 t0 \( R6 H  K
Boy Induced by Indirect Topical- Z9 s$ _" s2 B
Exposure to Testosterone
, a# h5 }: _% W! _6 t9 A/ V5 Z! USamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
- ?1 @% ]% r* Xand Kenneth R. Rettig, MD1( ?* Z: w; e2 U' y) O& X4 j2 E1 `
Clinical Pediatrics# [; I/ C: w# ~+ u9 ~. L* x
Volume 46 Number 6
3 e& R2 ^; x9 O1 lJuly 2007 540-543% }$ O8 U5 E( {$ W
© 2007 Sage Publications' @. \+ q3 B# p* r
10.1177/0009922806296651; S* d3 V0 Y2 W4 R4 u# v( X
http://clp.sagepub.com6 m2 k; c: Y7 P& j8 y
hosted at, H# h) |  `/ G6 S+ e" ^) A! _; t
http://online.sagepub.com% y; p- M0 ~' B7 h* U
Precocious puberty in boys, central or peripheral,7 Y/ S$ `7 Y# R$ U* l) A
is a significant concern for physicians. Central
" N9 l% @( `( K7 r8 a" ?" wprecocious puberty (CPP), which is mediated
+ z3 m7 _5 b9 a( ithrough the hypothalamic pituitary gonadal axis, has" @) t4 x. e) ~+ ?4 U1 \
a higher incidence of organic central nervous system
+ `0 P# F6 o, Zlesions in boys.1,2 Virilization in boys, as manifested8 m5 M" C8 {1 j. K6 U
by enlargement of the penis, development of pubic7 i* |+ U" j% |4 s7 ~1 K
hair, and facial acne without enlargement of testi-5 `4 R4 c( A/ J0 F( z! ~0 v
cles, suggests peripheral or pseudopuberty.1-3 We
3 B# J9 M# }2 J# h3 n+ J: n6 greport a 16-month-old boy who presented with the
5 b& x7 H; v( e7 s& A( I4 penlargement of the phallus and pubic hair develop-( b/ U5 z  B7 Q3 i
ment without testicular enlargement, which was due% J  m& ]; u) h  o; r. C' s7 ~
to the unintentional exposure to androgen gel used by9 g, B* P$ M0 i
the father. The family initially concealed this infor-
4 x5 r1 L4 O! }6 j0 u. lmation, resulting in an extensive work-up for this
6 A. z0 b6 X, N6 c( m! U# f/ `child. Given the widespread and easy availability of/ J5 ], Y, V7 P) Q$ A4 s& C
testosterone gel and cream, we believe this is proba-
3 {9 v- ]+ K/ O$ H& n6 i# A: [bly more common than the rare case report in the
/ F3 z$ b( Q$ rliterature.4, f; r: L1 H# Q1 b1 X8 T3 \5 T/ |( r
Patient Report0 X: e& S! B  d) G( `
A 16-month-old white child was referred to the
' e8 I* @; O* Z. Vendocrine clinic by his pediatrician with the concern- W3 {( L* L) t5 i0 h! X3 Y! ^8 j
of early sexual development. His mother noticed
' n* v( y$ }, {, {/ \) Qlight colored pubic hair development when he was
; V' P1 y% i' o) o& [1 }; ZFrom the 1Division of Pediatric Endocrinology, 2University of
+ J6 \* x% b7 [, v+ {1 ~South Alabama Medical Center, Mobile, Alabama.5 _: ?* v& S; ^; H# \% J
Address correspondence to: Samar K. Bhowmick, MD, FACE,/ v4 B% O  F. V, T" U, B
Professor of Pediatrics, University of South Alabama, College of
6 O, L- W( v2 t6 v4 W! NMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;- E. E! F" V9 n! c+ q
e-mail: [email protected].# q$ b2 h5 t. w
about 6 to 7 months old, which progressively became
# [- [- l2 F) Y: mdarker. She was also concerned about the enlarge-1 r; t! i0 g, x# C; I8 Z" y4 r2 V
ment of his penis and frequent erections. The child/ C8 p) ?9 s6 o/ a7 e! W! m/ _
was the product of a full-term normal delivery, with9 p9 s& N3 i& Q1 r! F
a birth weight of 7 lb 14 oz, and birth length of" E+ a1 i- |' D  w4 t3 Q
20 inches. He was breast-fed throughout the first year
" d' O' i( h# Y$ Qof life and was still receiving breast milk along with& [3 W9 J" G6 _
solid food. He had no hospitalizations or surgery,6 h0 i+ \* {8 o) F# U/ C# Q8 \& A
and his psychosocial and psychomotor development
( O4 q3 f! S5 cwas age appropriate.
6 ?* s) a: ^6 Q& GThe family history was remarkable for the father,5 c  n( D# _9 T9 n+ Z5 q4 h5 B; t$ F
who was diagnosed with hypothyroidism at age 16,  q2 ^! Y; S4 P6 P9 H4 u
which was treated with thyroxine. The father’s% i, T6 S! X  W! l% x; `# Y% `
height was 6 feet, and he went through a somewhat* m9 b% Q$ R6 S1 `& @3 ^
early puberty and had stopped growing by age 14.
9 F: [! X* c5 L) P$ ^9 [The father denied taking any other medication. The3 |" x% y5 U8 Z8 o# [7 A7 B. {
child’s mother was in good health. Her menarche
, Z/ _/ w* r) G, twas at 11 years of age, and her height was at 5 feet
$ V) c' J$ p0 A5 inches. There was no other family history of pre-& |4 M( ], X; `8 J" |$ p" i
cocious sexual development in the first-degree rela-% ?' c: g3 J3 u9 M8 P
tives. There were no siblings.
3 I1 ^6 m7 k+ Z0 l9 c- Q! t& qPhysical Examination/ i& ^. m1 {0 i3 U) S- ^7 S4 E' Y
The physical examination revealed a very active,
, z: w0 ^# e! h/ ^6 S% E$ bplayful, and healthy boy. The vital signs documented
+ x5 X& A- R  G  B/ A$ H% La blood pressure of 85/50 mm Hg, his length was4 P* e+ U. U* V8 n% J
90 cm (>97th percentile), and his weight was 14.4 kg3 @1 `: l- q$ m; ]* M
(also >97th percentile). The observed yearly growth$ C( A+ z  G  \) b3 r; ]; d
velocity was 30 cm (12 inches). The examination of; R) A! @& g/ O, R# N
the neck revealed no thyroid enlargement.
# B4 y8 i3 `6 X# M& D; @! H- bThe genitourinary examination was remarkable for7 s4 m) B  o) |- f
enlargement of the penis, with a stretched length of% G% ]6 @" M2 m. n( w3 U( G3 L
8 cm and a width of 2 cm. The glans penis was very well: M/ x. M: b- X: o5 v" @+ e/ h
developed. The pubic hair was Tanner II, mostly around1 c7 u! G3 u: w, @
540/ z3 d  |; F1 |5 K
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from5 X* z( e; v; ?* O7 F; W
the base of the phallus and was dark and curled. The# J6 _! P$ d* x- s5 h
testicular volume was prepubertal at 2 mL each.
' R1 \; s  a: R3 U7 I! bThe skin was moist and smooth and somewhat% T6 J  K4 {9 C- ?! U+ y& j' a
oily. No axillary hair was noted. There were no: v1 E* n1 b& n" d" g1 G& b! g$ I
abnormal skin pigmentations or café-au-lait spots.% h5 J6 }1 y1 x( |
Neurologic evaluation showed deep tendon reflex 2+
+ Q% i  ^- Y4 G* \: Z0 Ebilateral and symmetrical. There was no suggestion
1 P7 k8 v- f' d) uof papilledema.. M- N* o7 \# A/ w
Laboratory Evaluation* q$ R/ T, J7 T" G$ g- s; ^
The bone age was consistent with 28 months by' x' G4 J! h0 c1 O
using the standard of Greulich and Pyle at a chrono-1 O9 B0 _  _" p; Z. t
logic age of 16 months (advanced).5 Chromosomal
% m9 h5 T5 T% W/ d; l2 e" X1 Rkaryotype was 46XY. The thyroid function test
- Y: G; E2 z5 d' W7 K. Z+ h0 |showed a free T4 of 1.69 ng/dL, and thyroid stimu-
1 W& n) h0 x' A$ d' _4 nlating hormone level was 1.3 µIU/mL (both normal).
: j1 m: {' x* s: v5 n) }1 AThe concentrations of serum electrolytes, blood5 F( w/ A2 A. @' W* C
urea nitrogen, creatinine, and calcium all were  J; W/ ^3 J, ^1 Z1 ]0 v
within normal range for his age. The concentration2 [$ d, t, p  t- I
of serum 17-hydroxyprogesterone was 16 ng/dL  I; d- G0 `2 D8 g
(normal, 3 to 90 ng/dL), androstenedione was 20
& ?" k5 R5 H! S+ V# e6 l' [ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
0 L$ i# }$ ^0 ~) r$ K0 L- }terone was 38 ng/dL (normal, 50 to 760 ng/dL),
3 u% ^4 X4 ?1 x& D" @* fdesoxycorticosterone was 4.3 ng/dL (normal, 7 to
3 \5 o% p0 k: }8 J& _) Z. l8 W49ng/dL), 11-desoxycortisol (specific compound S)6 `$ B2 R% S3 s$ W8 W
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-0 k, G( _: p/ l5 j
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
: Z$ a8 I2 N# L7 X4 S9 Stestosterone was 60 ng/dL (normal <3 to 10 ng/dL),
0 r; C7 e: [2 o  J& [! Nand β-human chorionic gonadotropin was less than
+ ^, l- |/ ?* V1 v: a5 mIU/mL (normal <5 mIU/mL). Serum follicular6 u& V8 l+ L% c  U
stimulating hormone and leuteinizing hormone. \0 Y6 D1 U, Y  g& I0 o
concentrations were less than 0.05 mIU/mL# w' S2 ~& _5 B) k
(prepubertal).; u7 g4 e3 y( P5 O9 F8 [
The parents were notified about the laboratory
" J6 }4 L9 }% r9 Iresults and were informed that all of the tests were' T; K3 H, E% r( D+ s. x" W6 D
normal except the testosterone level was high. The8 ?5 ]+ n, I5 p1 |0 P
follow-up visit was arranged within a few weeks to( b( n' Q9 T) a6 m& M/ e
obtain testicular and abdominal sonograms; how-: W! ]1 S5 n& y' m- a# V
ever, the family did not return for 4 months.
- [  U' U! T0 `* S& z( QPhysical examination at this time revealed that the
+ \0 Z- O, G. Q) h9 Achild had grown 2.5 cm in 4 months and had gained( b6 P$ W4 y' Z5 i6 X
2 kg of weight. Physical examination remained! E* I) E9 s9 ?$ Y: O
unchanged. Surprisingly, the pubic hair almost com-7 M; b& m9 A( ~# i4 y  F
pletely disappeared except for a few vellous hairs at
  L9 ]% A! c5 ?. K# H: w% s: t' qthe base of the phallus. Testicular volume was still 23 z7 U' [- k9 h% Z
mL, and the size of the penis remained unchanged.# H4 D7 J# O! h6 p) n
The mother also said that the boy was no longer hav-
) K7 ]: V: `% ?! Xing frequent erections.. d; {: q" ?8 x; R
Both parents were again questioned about use of
, Z9 h& ?! X0 u9 ^2 S8 ?any ointment/creams that they may have applied to
, G! e( f' v+ r& Y8 kthe child’s skin. This time the father admitted the0 A/ E0 `; j0 |4 R7 I  ~
Topical Testosterone Exposure / Bhowmick et al 541
+ V: ]- ^7 t# A+ ~) o/ ~' D' euse of testosterone gel twice daily that he was apply-( {; I* @0 `$ ^; P1 _
ing over his own shoulders, chest, and back area for
  X5 ]* P5 i" T2 R% ya year. The father also revealed he was embarrassed
: M1 v/ O" h! x# n# e8 p& x! d4 vto disclose that he was using a testosterone gel pre-
6 V  L; D. X, K" w  C" wscribed by his family physician for decreased libido6 ^: q: F6 R1 c2 }
secondary to depression.
2 d9 S4 t  N& ~- @3 cThe child slept in the same bed with parents.' u0 v! W0 c. L
The father would hug the baby and hold him on his" h  X. @( B7 |0 i( `" s3 l& l
chest for a considerable period of time, causing sig-
% B% _7 d, F% e! \: X9 x5 hnificant bare skin contact between baby and father.
/ j5 a: v' M! C. f% Z; \The father also admitted that after the phone call,& {, X) t# R2 W6 \- I
when he learned the testosterone level in the baby+ B1 A" T# }3 K. H, |4 T7 R) f
was high, he then read the product information; B5 x' Q7 s) o  [& b
packet and concluded that it was most likely the rea-
6 j3 x# Y' Q& C3 \- ~; Rson for the child’s virilization. At that time, they  _3 M/ c2 h) N3 U) Q) o. F
decided to put the baby in a separate bed, and the
7 l: u( S# Q9 L* Yfather was not hugging him with bare skin and had
; C# d; N* q- z' w. Sbeen using protective clothing. A repeat testosterone
2 j6 [0 X, ^# k9 Qtest was ordered, but the family did not go to the
; C4 T: {" {$ g& Xlaboratory to obtain the test.
8 a7 P) G4 C+ c* h# ?0 `8 zDiscussion
- I$ h5 k. c4 w( S' MPrecocious puberty in boys is defined as secondary7 m# w4 N% a8 q0 x7 I; l
sexual development before 9 years of age.1,4% ]- x7 x* p: |
Precocious puberty is termed as central (true) when
# p5 x* c1 R  ]% M% ?it is caused by the premature activation of hypo-
* J% g7 O, D/ g9 x+ c2 j1 Kthalamic pituitary gonadal axis. CPP is more com-+ \* o( u8 c( u
mon in girls than in boys.1,3 Most boys with CPP5 k7 u+ b" B) S' {
may have a central nervous system lesion that is' _/ }5 b" l0 k: j
responsible for the early activation of the hypothal-
$ K; B+ x% d( ~6 ?$ c  Bamic pituitary gonadal axis.1-3 Thus, greater empha-, }/ ]% f& U$ @2 t) z: N5 D  k
sis has been given to neuroradiologic imaging in
; r1 q$ v+ {$ @$ G3 {4 V2 Y" f& i& k- \5 hboys with precocious puberty. In addition to viril-, o& T, ~7 n+ C  C/ w6 U4 m
ization, the clinical hallmark of CPP is the symmet-
9 I6 [) j% {9 Q3 `# Irical testicular growth secondary to stimulation by/ H( V9 i: e0 \1 z' S
gonadotropins.1,3
+ h* g( y1 c8 s. y# J4 BGonadotropin-independent peripheral preco-% \. @9 O, A0 E& x, r2 P' R: u
cious puberty in boys also results from inappropriate' S, }2 Y) j! J2 ^$ i8 F
androgenic stimulation from either endogenous or
. c% m+ S# a( i5 ~4 wexogenous sources, nonpituitary gonadotropin stim-
) x* @8 k7 S1 y. A# }ulation, and rare activating mutations.3 Virilizing& v. r" j: N4 a: p& T0 s5 q4 g4 n
congenital adrenal hyperplasia producing excessive1 [6 @% ]- t9 V7 G( i
adrenal androgens is a common cause of precocious) v% N. }0 q; T7 Z: g5 C
puberty in boys.3,4- K$ K3 r' O( f3 s, }& \
The most common form of congenital adrenal, I1 B9 t5 E5 k# r# z6 a1 E
hyperplasia is the 21-hydroxylase enzyme deficiency.
, d; M# G: \5 g$ z3 o5 {, E; J2 @The 11-β hydroxylase deficiency may also result in8 r8 B7 x/ K7 t, i
excessive adrenal androgen production, and rarely,, j! D, E& y) Y" c3 ]6 A6 i
an adrenal tumor may also cause adrenal androgen3 s% a! |+ Q, Y# [9 p
excess.1,3; {! x+ ^0 U) x7 i: O5 M
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
5 x) Y+ K6 M$ [  k9 x542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
, G4 s) O9 g- X6 ?7 |0 D2 ^A unique entity of male-limited gonadotropin-5 j$ P1 i8 {: z( D* `3 {: S4 ~
independent precocious puberty, which is also known7 J1 U4 b7 C5 z; |3 Z( n7 j8 s
as testotoxicosis, may cause precocious puberty at a. h( k; Q' W7 D. r& C( T2 s" |
very young age. The physical findings in these boys) k; u7 S2 P% g+ ?
with this disorder are full pubertal development,* F- ]9 d! ^. e" u1 H6 T+ Q* e
including bilateral testicular growth, similar to boys# L  T+ n' Q4 z  n& P1 s
with CPP. The gonadotropin levels in this disorder. L2 J! J# S. M8 z1 P: I
are suppressed to prepubertal levels and do not show
9 Z( ]- e1 S/ b% \2 m* _. cpubertal response of gonadotropin after gonadotropin-
. Q% v5 \0 }, a& G+ m, creleasing hormone stimulation. This is a sex-linked: }8 B0 V) y% X1 q
autosomal dominant disorder that affects only
! a  W; [3 v9 M* Y( gmales; therefore, other male members of the family
: Z9 k: _9 ^9 e" N" ^+ Ymay have similar precocious puberty.3( `, g; W7 t4 P" `
In our patient, physical examination was incon-
1 R. g& Y# M- r6 ~2 w. Nsistent with true precocious puberty since his testi-/ T7 ^- B* V( o
cles were prepubertal in size. However, testotoxicosis
& N; }. ^8 b4 X6 L& |+ F+ S( x0 gwas in the differential diagnosis because his father) j) n6 V% M- w) n( M/ n1 F# Z) o
started puberty somewhat early, and occasionally,8 }( F6 y2 R5 W6 j. B
testicular enlargement is not that evident in the
  K" A& v% ~! m' V3 N5 Xbeginning of this process.1 In the absence of a neg-1 E! o7 K5 ]: e0 w
ative initial history of androgen exposure, our
. N. j9 Q9 ?' o1 b( b( ?biggest concern was virilizing adrenal hyperplasia,
6 k- T9 M2 }0 o- P' b. a) ceither 21-hydroxylase deficiency or 11-β hydroxylase
7 W* F) e$ l* b$ Q! Rdeficiency. Those diagnoses were excluded by find-: M: X; q# u2 _+ M' G
ing the normal level of adrenal steroids.# X1 [9 h5 G% r2 ^8 }: x  N
The diagnosis of exogenous androgens was strongly2 ?% |3 q; `$ o$ T
suspected in a follow-up visit after 4 months because
9 j" B- ~  `1 T* q6 Tthe physical examination revealed the complete disap-
7 {; B) p! q4 @7 x. Z( E' rpearance of pubic hair, normal growth velocity, and0 q. f! }1 Y$ V- P- ]; x: ^4 r2 M
decreased erections. The father admitted using a testos-' _  D1 V; G$ C4 G# R( b' T! d% h
terone gel, which he concealed at first visit. He was
8 j: [% d# u! c8 Q1 dusing it rather frequently, twice a day. The Physicians’
% {, m( V8 a( E8 b: Y7 `1 eDesk Reference, or package insert of this product, gel or4 Z% U) f( y2 z+ Q9 B, Q3 v7 `) Z
cream, cautions about dermal testosterone transfer to
$ I* ~9 F/ A! ^- m/ q% }unprotected females through direct skin exposure.0 W  w, L/ \9 x0 b4 t& X/ w
Serum testosterone level was found to be 2 times the
! F: V& r! ^5 h6 o; K) |' xbaseline value in those females who were exposed to
/ _2 {0 a8 G  K1 f1 z/ [  a$ Jeven 15 minutes of direct skin contact with their male" ~0 U0 c4 L9 B' \% A' W( ?! x  L
partners.6 However, when a shirt covered the applica-
  {, q& A  F0 @) o1 ]7 Ption site, this testosterone transfer was prevented.
7 M- V$ P6 t6 l3 X) l0 fOur patient’s testosterone level was 60 ng/mL,
: Z0 E. h$ D; F& C$ }  nwhich was clearly high. Some studies suggest that3 F! [1 o) b! y+ k, r
dermal conversion of testosterone to dihydrotestos-4 Q9 s) }' ^5 F6 ~
terone, which is a more potent metabolite, is more) a7 X& J2 S/ ?
active in young children exposed to testosterone
" B3 V3 ?6 q; r+ e8 I  Pexogenously7; however, we did not measure a dihy-5 j2 ]6 A" @4 |1 ]# R, |' W+ ^
drotestosterone level in our patient. In addition to& T  n. g7 Z, O; y
virilization, exposure to exogenous testosterone in
# s* |$ c3 k- Z: J2 a, [children results in an increase in growth velocity and5 q7 W6 O, \. S* J# f
advanced bone age, as seen in our patient.
6 o2 G4 \: e" [4 `/ D" e" c2 hThe long-term effect of androgen exposure during
/ x0 z. Y1 ]: |  ~% b  Y& Q+ Wearly childhood on pubertal development and final% y8 L( g: D1 g- I
adult height are not fully known and always remain/ e* V' s+ S9 u7 |
a concern. Children treated with short-term testos-& Y0 u" n( J; u# |
terone injection or topical androgen may exhibit some
' N& e- H# G7 J( ^1 E! gacceleration of the skeletal maturation; however, after
5 ^! {- s8 t; o) F# L1 wcessation of treatment, the rate of bone maturation
. r8 q$ y$ Z" Z3 F& F, vdecelerates and gradually returns to normal.8,9
8 s# I: R- b$ Q3 W! n. @4 S( lThere are conflicting reports and controversy! x- s" e+ [8 H
over the effect of early androgen exposure on adult* F& T% G% [* r
penile length.10,11 Some reports suggest subnormal4 H0 ^' ^' S7 z* H" y
adult penile length, apparently because of downreg-
4 r$ Q* x- G9 D# bulation of androgen receptor number.10,12 However,
2 F. V2 W; r" L4 U5 e  {( jSutherland et al13 did not find a correlation between
9 S8 v2 ^1 v! C( X1 O# F) cchildhood testosterone exposure and reduced adult
( c4 H: e0 X5 ^penile length in clinical studies.
0 U7 C' a; i' r- w0 uNonetheless, we do not believe our patient is
  ]2 y7 ?5 o& igoing to experience any of the untoward effects from
2 v' e) C8 V8 C% l  J) c! \6 ptestosterone exposure as mentioned earlier because
" J7 X, |- ], E% Gthe exposure was not for a prolonged period of time.
% E) o4 J6 x+ M, Q# Z) F. q7 \Although the bone age was advanced at the time of
* g+ t3 Q2 p2 d$ ]/ Xdiagnosis, the child had a normal growth velocity at
6 ?4 x* B" v( B6 v( v2 V" Athe follow-up visit. It is hoped that his final adult, o7 q3 |' j% F6 y+ m; x
height will not be affected.
/ N) ~# b2 V. e! |7 J  X. @Although rarely reported, the widespread avail-
7 d" }5 _- _6 n7 Dability of androgen products in our society may' S5 W* ^2 W% r' \0 \0 n' ]* j
indeed cause more virilization in male or female
$ ^6 [; r5 n0 {! c8 I7 I, R. s$ A! Dchildren than one would realize. Exposure to andro-9 ]5 Y# V0 n$ l
gen products must be considered and specific ques-; g3 g. d' {# l+ J+ |2 `
tioning about the use of a testosterone product or+ e  v/ W& _8 B* K" n
gel should be asked of the family members during
- ?0 n1 z4 g) l+ ythe evaluation of any children who present with vir-
. _& Q# x7 D, @5 v) |: ^ilization or peripheral precocious puberty. The diag-
/ g# S7 i8 ]$ P: D4 ]' Znosis can be established by just a few tests and by
( j6 _" t/ {; \6 pappropriate history. The inability to obtain such a' M; {( C! v8 ~" R/ U6 B, `& \
history, or failure to ask the specific questions, may
3 Q. u2 K, }6 S. Wresult in extensive, unnecessary, and expensive
3 u# ~) x  X- J8 z; h( hinvestigation. The primary care physician should be
* n! y/ ~0 S- ?$ f& Gaware of this fact, because most of these children
7 ?. _+ V. H: Z0 t' s3 Omay initially present in their practice. The Physicians’
5 X# ]$ i( |$ N" xDesk Reference and package insert should also put a
6 h: o( S, I, [; `" t$ w/ B5 ]warning about the virilizing effect on a male or8 m+ M5 s' A0 L! k# Z
female child who might come in contact with some-
. N- [/ `1 e) I/ T. K" f* Aone using any of these products.
! t  \" w2 [6 K5 @4 g" Z. `$ PReferences1 h. Q2 R$ q4 w; m
1. Styne DM. The testes: disorder of sexual differentiation- F7 x* i" E! x; U1 C, S; `
and puberty in the male. In: Sperling MA, ed. Pediatric- W& V2 u' c2 s1 G' R0 W
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
+ }+ U3 Q5 |, s% L2002: 565-628.
8 @9 Y# j* U8 r. Y) A, ~4 X2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious2 [* Y; y- t: w4 P; ~8 [
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
發表於 2025-1-17 16:31:39 | 顯示全部樓層
4个什么样的?
發表於 2025-1-19 02:41:05 | 顯示全部樓層

/ ~' e: C' Y9 W# q! Y精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
您需要登錄後才可以回帖 登錄 | 立即注册

本版積分規則


快速回復 返回頂部 返回列表