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Does preoperative genitography in congenital adrenal hyperplasia cases affect surgical approach to feminizing
Brian A Vanderbrink1, Richard C Rink, Mark P Cain
1Department of Urology, James Whitcomb Riley Hospital for Children, Indianapolis, Indiana 46202, USA. vanderbb@iupui.edu
Purpose:
Genitography has traditionally been an imperative part of radiographic evaluation in females born with congenital adrenal hyperplasia before surgical reconstruction. We evaluated the role of preoperative genitogram in surgical reconstruction planning and how it correlates with intraoperative findings.
Materials And Methods:
We retrospectively reviewed the records of 40 patients with congenital adrenal hyperplasia who underwent feminizing genitoplasty at our institution between 2003 and 2009. Preoperative genitogram findings were recorded and correlated with operative findings.
Results:
A total of 42 preoperative genitograms were available for review in 40 patients with congenital adrenal hyperplasia who underwent feminizing genitoplasty. Genitography revealed complete anatomy of the urogenital sinus in 30 cases (72%) while bladder filling alone was present in 9 (21%) and vaginal filling was noted in 2 (5%). The urogenital sinus could not be catheterized in 1 patient (2%). Vesicoureteral reflux was identified in 6 patients (15%) with a mean grade of 2. Vaginoplasty was done with a flap technique in 37 patients (more than 90%) while the remaining 3 underwent pull-through vaginoplasty. In no case did genitogram reveal anatomy that was not visible via endoscopy or at reconstruction. The vaginoplasty technique was based on endoscopic and intraoperative findings, and not on genitogram.
Conclusions:
Genitography during preoperative evaluation in females with congenital adrenal hyperplasia undergoing feminizing genitoplasty did not reveal urogenital sinus anatomy completely in 25% of the patients in our series. Preoperative genitogram did not influence the surgical approach. Its value as preoperative imaging in patients with congenital adrenal hyperplasia may be limited.
