PMC6326105_01
Urotomography scan with evidence of a retroperitoneal mass that displaces the left kidney with hydronephrosis. The calculated volume was 10 x 8 x 6 cm3.
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There were satellite lymph nodes around the retroperitoneal mass and the left psoas causing lateral displacement of the left kidney, compressing the pyelocaliceal system conditioning hydronephrosis (Fig. 1).
Spontaneous tumor regression in testis. Hematoxylin and eosin (H&E) stain. (A) Pathology results showed subtotal atrophy of the testis with extensive fibrosis, multifocal calcifications, focal hemorrhage and Leydig's cell hyperplasia. (B) Absent spermatogenesis in seminiferous tubules. Intratubular germ cells with clear cytoplasm.
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There was no evidence of germ cell tumor, confirming spontaneous tumor regression (Fig. 2).