Giant Leydig Cell Tumor Presenting as Gynecomastia: A Rare Case Report and Review

This case report describes a 67-year-old man who presented with bilateral gynecomastia and a left palpable testicular mass of 10-years, no clinical signs of hypogonadism. Hormonal evaluation found a low level of testosterone. Upon orchiectomy via an inguinal approach, a giant Leydig cell tumor of 15 cm in diameter was removed. The patient recovered favorably with a rapid reduction in breast tension without a change in the size of the gynecomastia. There was no recurrence at 8-month follow-up. This tumor was notable for its size and it’s compressing effect causing a gynecomastia by a reduced secretion of Testosterone. In addition, in our case we described the state-of-art management of this rare tumor.