Chorionepithelioma of the testis is perhaps the greatest curiosity in the whole oncology, and has been described as a museum piece. Thomas McCrae, one of the great teachers of physical diagnosis, insisted that a complete history with carefully recorded negative, as well as positive, findings is as important as the physical examination itself. With these two thoughts in mind it seems imperative to present this interesting case history.
REPORT OF CASE
History.—
The patient was a 19 year old school boy and a fraternal twin, born with bilateral undescended testes and a hypospadias. The father, aged 45, is an epileptic. The maternal great-grandmother died of cancer of the uterus. The maternal grandfather has diabetes and renal calculi. The mother, aged 41, is living and well. One brother, aged 15, is an epileptic and had a bleeding gastric ulcer when aged 12. The twin brother is normal (had an appendectomy, but