Fig. 2

Leydig cells adenoma in the testis (a), HE. High magnification photos of tumor region (asterisk, b) and non-tumor region (c). Immunohistochemistry of ERα (d, e) and PR (g–i) in the tumor and non-tumor regions of the testis. Arrowheads (spermatogonium), arrows (Leydig cells), open arrowheads (spermatocytes), open arrows (spermatids). Scale bars 400 µm (a), 200 µm (d, g), 100 µm (b, c, e, f, h, i)