Bladder Embryonal Rhabdomyosarcoma Presenting in the Perinatal Period: Report of Two Consecutive Cases.

Bladder embryonal rhabdomyosarcomas (ERMS) are malignant soft tissue tumors that rarely present in the perinatal period. Herein, we report 2 cases that were diagnosed in the newborn period (one with concomitant posterior urethral valves [PUV]), managed with chemotherapy and surgical resection to minimize the need for radiation.