• Chongzhou Liao, Zhenqiang He, Xiaoxiao Wang, Pu Guo, and Wei Xiong.
• School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.
• Medicine (Baltimore). 2023 Sep 1; 102 (35): e34971e34971.

IntroductionBladder diverticula (BD) can be classified into congenital and acquired forms, with the latter accounting for approximately 90% of all cases, primarily among male patients. Although BD-associated anatomical bladder outlet obstruction (BOO) is uncommon, existing literature suggests that congenital BD are more frequently observed in male children and rarely in female children. While around 70% of acquired BD are linked to BOO secondary to benign prostatic hyperplasia in male patients, clinical reports of female BD are less common. Furthermore, cases of female BD located posterior to the urethra, which lead to voiding difficulties, are exceedingly rare.Case PresentationHerein, we present a case of laparoscopic treatment in a 53-year-old female patient diagnosed with congenital bladder diverticulum causing progressively worsening dysuria. Voiding cystourethrography revealed a soft cystic protrusion of the posterior urethral wall during voiding, which reinforced the patient's symptoms. Urodynamic examination showed elevated detrusor muscle contraction during voiding, a reduced urinary flow rate, and P/Q values indicative of significant BOO. Considering the patient's clinical condition, we performed laparoscopic bladder diverticulectomy, partial urethral croppingplasty, and cystoplasty.ResultsThe laparoscopic bladder diverticulectomy, partial urethral croppingplasty, and cystoplasty procedures were completed thoroughly and with great success. However, complete removal of the diverticular epithelium proved challenging, resulting in an overall operative time of approximately 3 hours and 32 minutes. At the postoperative follow-up, the patient presented with symptoms of a lower urinary tract infection for a week, which were effectively resolved with oral antibiotics. At the 8-month follow-up, the patient reported normal urination and the absence of any discomfort during urination.ConclusionFemale bladder outlet obstruction resulting from posterior urethral BD can be challenging to visualize during transurethral cystoscopy, especially with limited angulation, and may even be overlooked. Furthermore, conventional transvaginal diverticulectomy is often difficult to perform effectively. Therefore, laparoscopic bladder diverticulectomy, partial urethral croppingplasty, and cystoplasty are considered appropriate treatment options for such cases.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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