Paratesticular embryonal rhabdomyosarcoma

Case contributed by Dr MT Niknejad

Presentation

Left testicular palpable mass on physical exam.

Patient Data

Age: 20 years
Gender: Male

A 43×40 mm lobulated solid mass is noted at the left paraaortic region accompanied by left ureter compression and displacement, causing mild hydronephrosis.
In imaged part of the left hemiscrotum, a hetero enhancing solid cystic mass is seen accompanied by spermatic cord swelling.

The patient underwent the left radical orchiectomy and retroperitoneal mass resection. The histopathologic findings and IHC confirmed paratesticuar embryonal rhabdomyosarcoma.

Case Discussion

The embryonal subtype of rhabdomyosarcoma is the most common variety of rhabdomyosarcoma, typically seen in children. Usually, these tumors arise in the head and neck (50%) and pelvis (30%). The radiologic features are non-specific.

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