PMC9158335_01
Pre-operative ultrasound of present case. Cysts in the right mediastinum testis (black arrow).
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F1
Testicular ultrasound examination was repeated, revealing a circumscribed area, measuring 20 x 10 x 9 mm, containing several minuscule cysts of varying sizes in the right mediastinal testis (Figure 1).
Cystic dysplasia of rete testis. (A) Rete testis consisting of irregularly ectasic spaces lined by cuboidal epithelium and surrounded by fibrous stroma (bottom); testicular parenchyma (top) is characterized by prebuberal (black arrowhead) and atrophic seminiferous tubules (red arrowhead) (HE 10x). (B) Dilatation and irregularity of rete testis was global and reached the epididymis (black stars) (HE 20x).
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F2
No germ cell tumors were identified (Figure 2).