NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

Sertoli-Leydig cell tumor of the ovary
(ser-TOH-lee-LY-dig sel TOO-mer ... OH-vuh-ree)
A rare type of ovarian tumor in which the tumor cells secrete a male sex hormone. This may cause virilization (the appearance of male physical characteristics in females). Also called androblastoma and arrhenoblastoma.