Renal sinus lymphangioma

Case contributed by Shervin Sharifkashani
Diagnosis almost certain

Presentation

Right side intermittent flank pain and urinary frequency for two years.

Patient Data

Age: 35 years
Gender: Male
ct

The multiloculated cystic lesion in the right side renal sinus encased in the UPJ is seen which has extrarenal extension and is partially encased in the proximal segment of the right side ureter and has close contact with adjacent psoas muscle in some parts. The lesion has not any obvious enhancement.

Case Discussion

The case is an aspiration-proved renal sinus lymphangioma. The renal lymphangiomatosis is a rare benign lesion of the kidney and in symptomatic cases the definite treatment is complete surgical excision. 

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