Classical congenital mesoblastic nephroma in an adult: a case report on an Ethiopian.

A 54-year-old Ethiopian woman presented to Tikur Anbessa Hospital with left flank pain and left renal tumour mass in October 1996, and biopsy from nephrectomy specimen was reported as classical congenital mesoblastic nephroma (CMN). The clinical presentation, laboratory data and the pathologic findings of the patient are described in detail. In Ethiopia, there is no report of congenital mesoblastic nephroma of adulthood. In this report, the clinical presentation and the pathological features of congenital mesoblastic nephroma are also reviewed from available literature.