Burned-out testicular choriocarcinoma
Hypogastric pain, two months of evolution, no relevant past medical history.
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Retroperitoneal mass of 7 × 6 × 4 cm. extending along the left and right side of the aorta, compressing but not completely occluding the renal veins. There were also lymph nodes around the mass. The enhancement of the renal vessels is appreciated, the tumor has poor contrast enhancement.
The tumor presented as a retroperitoneal mass with histological characteristic of a choriocarcinoma. The testes on clinical examination were normal, and sonogram showed diffuse microlithiasis, hypotrophic right organ containing a macrolithiasis. Histological examination of the testis revealed a suspicious lesion with characteristics of spontaneous regression of germ cell tumors.