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Father‐son testicular malignancy does genetic anticipation occur?

Testicular malignancy in a father and son is reported. The father had sequential bilateral seminomas while the son had embryonal cell carcinoma and seminoma. Reported cases of father‐son testicular malignancy are reviewed and a predominance of seminomas in the fathers is apparent while the sons' tumors are highly malignant teratomas, choriocarcinomas and embryonal cell carcinomas. The possibility of genetic anticipation in father‐son testicular malignancy is discussed.