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[A case of left pelvic kidney with non-functioning hydronephrosis].
Hinyokika Kiyo. Acta Urologica Japonica
|June 1, 1985
Summary
A rare case of a left ectopic pelvic kidney with hydronephrosis presented as a cystic mass, causing abdominal pain and dysuria in a young male. Surgical removal confirmed the diagnosis of this unusual congenital anomaly.
Area of Science:
- Urology
- Congenital Anomalies
- Radiology
Background:
- Ectopic kidney, a congenital condition where the kidney is not in its usual anatomical location, can present with varied clinical manifestations.
- Pelvic kidney, a specific type of ectopic kidney, is rare and often asymptomatic, but can be associated with complications like hydronephrosis.
Observation:
- A 19-year-old male presented with left lower abdominal pain and dysuria.
- Imaging studies, including excretory urograms and computerized tomography, revealed a large retroperitoneal cystic mass near the bladder, initially suspected to be a bladder diverticulum.
- Surgical exploration was required for definitive diagnosis.
Findings:
- The surgically removed cystic mass was identified as a left ectopic pelvic kidney with non-functioning hydronephrosis.
- The specimen measured 91 x 85 x 78 mm and weighed 120 g, containing 350 ml of intrarenal fluid.
- This represents a rare presentation of a pelvic kidney, with limited documented cases in the Japanese literature.
Implications:
- This case highlights the importance of considering congenital anomalies in the differential diagnosis of abdominal masses, even with atypical presentations.
- Accurate pre-operative diagnosis through advanced imaging is crucial for appropriate surgical planning and management of ectopic kidneys.
- Further documentation of such rare cases contributes to a better understanding of pelvic kidney variations and their clinical significance.