ĐẶC ĐIỂM HÌNH THÁI VÀ BẤT THƯỜNG GIẢI PHẪU NIỆU QUẢN TRÊN HÌNH ẢNH CẮT LỚP VI TÍNH ĐA DÃY HỆ TIẾT NIỆU

Abstract

Objective: This study aimed to describe the anatomical morphology and certain variations of the ureter using multidetector computed tomography (MDCT) of the urinary system. Methods: A cross-sectional descriptive study was conducted on 102 Vietnamese patients, yielding 123 normal ureters, at Hanoi Medical University Hospital from January 2024 to March 2025. MDCT images were reconstructed using MPR and MIP for measurement, analysis, and description. Data was processed with SPSS 20.0, applying appropriate statistical tests. Results: The origin of the ureter was mainly located at the L3 vertebra (60–65%), followed by L2, and was rarely observed at L1 or L4. The ureteric termination was predominantly at S4–S5 (~70%). Among 102 patients, six cases of anomalies were identified (5.9%): two cases of type I retrocaval ureter, two cases of incomplete double ureter, and two cases of congenital ureteropelvic junction obstruction. No cases of complete double ureter, ectopic ureter, or congenital ureterovesical junction obstruction were detected. Conclusion: These findings provide additional imaging-based data in Vietnam, with significance for diagnosis and treatment planning in urinary tract diseases.