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Retroperitoneal Bronchogenic Cysts: A Case Series

Shu-Xin Jing, Zhifei Jing

The American journal of case reports, 2025

Abstract

Case series Patients: Male, 51-year-old • Female, 32-year-old • Male, 21-year-old • Female, 27-year-old • Male, 41-year-old • Male, 56-year-old Final Diagnosis: Retroperitoneal bronchogenic cysts Symptoms: Discomfort • pain Clinical Procedure: — Specialty: Surgery • Urology Objective: Rare disease Background Bronchogenic cysts are a rare congenital malformation of primitive foregut development, predominantly located in the thorax. However, they can also be found in various atypical locations, including the retroperitoneal space. Retroperitoneal bronchogenic cysts are exceedingly rare. The diagnosis of retroperitoneal bronchogenic cysts presents considerable difficulty owing to their rarity and the absence of distinctive clinical and imaging characteristics. Case Reports This study reports 6 surgically confirmed cases of retroperitoneal bronchogenic cysts at our institution. One patient presented with abdominal pain, while the others were asymptomatic and discovered incidentally through imaging. All the cysts were found adhered to the left diaphragm on cross-sectional imaging. The cysts exhibited relatively high attenuation on unenhanced computed tomography (CT) and showed no or mild enhancement on contrast-enhanced CT. Only 1 case was accurately diagnosed with a retroperitoneal bronchogenic cyst prior to surgery; the others were confirmed through postoperative histopathology. All patients underwent resections of the lesions through the retroperitoneal approach, and their…

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