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Giant hydroureteronephrosis associated with primary obstructed megaureter.

H Tsukahara¹, T Ando, Y Fujii

¹Department of Pediatrics, Fukui Medical School, Japan.

Acta Paediatrica Japonica : Overseas Edition

|December 1, 1991

Summary

A pediatric case of giant hydroureteronephrosis in a four-year-old boy was diagnosed. Surgical intervention, ureteroplasty, is planned due to partially obstructed megaureter with preserved renal function.

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Area of Science:

Pediatric Urology
Diagnostic Imaging
Nephrology

Background:

A large abdominal mass in a pediatric patient can indicate significant underlying pathology.
Primary obstructed megaureter is a congenital condition leading to ureteral dilation and potential renal damage.

Observation:

A four-year-old boy presented with a large left abdominal mass.
Diagnostic imaging, including ultrasonography, CT, and pyeloureterography, confirmed left giant hydroureteronephrosis.
Diuretic renography revealed a partial obstruction.

Findings:

The condition was diagnosed as left giant hydroureteronephrosis secondary to a primary obstructed megaureter.
Renal function on the affected side was found to be moderately preserved via static renal scintigraphy.

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Implications:

Early diagnosis and intervention are crucial for managing pediatric hydroureteronephrosis.
Ureteroplasty is the planned surgical approach, aiming to restore normal urinary flow and preserve renal function.
This case highlights the importance of comprehensive imaging in diagnosing complex urological abnormalities in children.