Case - Leydig cell hyperplasia A rare ipsilateral co-occurrence with seminoma highlighting the value of 17-OHP in the evaluation of male infertility

病例——睾丸间质细胞增生症：罕见的同侧精原细胞瘤合并睾丸间质细胞增生症，凸显了17-羟孕酮在男性不育症评估中的价值。