teratoma; teratocarcinoma; teratoid tumor
Medical term for a tumor containing tissue from multiple germ layers, often including hair, teeth, or bone. Teratocarcinoma is a malignant variant.
A teratoma was found in the ovary.
Teratomas are often benign, but rarely malignant teratocarcinomas occur.
From 奇形 (malformation) + 腫 (tumor). The reading is on'yomi.