Retroperitoneal Castleman's Disease Incidentally Detected due to Urinary Calculus / 대한비뇨기과학회지

ABSTRACT

Castleman's disease(CD) is a rare benign tumor characterized by hyperplasia of lymphoid tissue. It can occur in almost any l ocation, with 70% in the mediastinum, 7% in the retroperitoneum, and only 2% in the perirenal area. Approximately 80% of primary retroperitoneal tumors are malignant, so tumor resection and differential diagnosis with other retroperitoneal tumors is important. We present a case of a hyaline-vascular type CD in the pararenal area, detected incidentally during evaluation of a urinary calculus, with a review of the literature.