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COL Michael H. Sulak, MC

JAMA. 1970;213(1):91-93.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Neoplasms arising in the testis are often of complex character and differ in many respects from neoplasms of nongonadal tissues. Unfortunately, certain critically important and interrelated details are not completely understood; these concern the embryology of the testis, the histogenesis of teratomatous tumors, the histogenesis, nature, and nomenclature of those neoplasms derived from primordial germ cells, and that of those neoplasms derived from nongerminal elements.

Testicular neoplasms are relatively rare, comprising somewhat less than 1% of all cancers occurring in males and having an average annual incidence of about 2.3 per 100,000 males in English speaking populations.^8,9 Nevertheless, they have provoked considerable interest because more than 90% of these tumors prove to be malignant and because they occur predominantly in young men who are in the prime of life (during the third and fourth decades). Excluding leukemias and malignant lymphomas, testicular tumors constitute the leading form of lethal cancer . . . [Full Text PDF of this Article]

Author Affiliations
USA

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