Primitive neuroectodermal tumor of the kidney: case report in a 13 year-old boy

A 13-year-old boy presented with acute right loin pain. Computed tomography scan showed a huge mass originating from the upper pole of the right kidney. Right radical nephrectomy was performed. Histopathological examination revealed a neuroectodermal tumor of the kidney. There was local and lymph node invasion as well as distant metastasis to the lungs, liver and bone. The patient died 18 months from the time of initial diagnosis. Nearly 94% of primitive neuroectodermal tumor shows the complete response to combined surgery, radiation and chemotherapy. However, in the presence of metastases, the 5-year survival drops to 29%

Renal dysplasia with extrarenal calyces

We describe a case of simple renal dysplasia with extrarenal calyces of the left kidney in a 2-year-old boy. Other anomalies also included pelviureteral junction obstruction and ectopic ureterocele on the same side, as well as grade V vesicoureteral reflux on the opposite side

Leiomyosarcoma of the bladder in a 16-year-old girl with a history of cyclophosphamide therapy for bilateral retinoblastoma during infancy

A 16-year-old female with bladder leiomyosarcoma had a history of bilateral retinoblastoma at 6 months of life. She received cyclophosphamide chemotherapy after surgical enucleation. In this report, we discussed the possible role of retinoblastoma or cyclophosphamide as a target for the development of bladder leiomyosarcoma