IT IS WELL known that any neoplasm of the epididymis is rare, that malignant tumors arising in this organ are very rare, and that malignant tumors of the epididymis occurring in infancy or childhood are extremely rare indeed.
In 1947, Halpert and Thompson1 described a case of fibrosarcoma of the epididymis occurring in a 3-year-old white boy who died of metastases in about a year. They reviewed the literature and concluded that their case was the third recorded instance of a fibrosarcoma of the epididymis and the first instance of such a tumor occurring in early childhood. Since that time, in reviewing the literature one finds several additional cases of malignant tumors of the epididymis.
Rioseco and Baeza,2 in their article, present a list illustrating various types of testicular tumors, with survival time. There is included in this list a case of "sarcoma" of the epididymis, although no