ectomesenchymoma

Definition of ectomesenchymoma
National Cancer Institute

ectomesenchymoma

(EK-toh-MEH-zen-ky-MOH-muh)
A rare, fast-growing tumor of the nervous system or soft tissue that occurs in children and young adults. Ectomesenchymomas may form in the head and neck, abdomen, perineum, scrotum, or limbs. Also called malignant ectomesenchymoma.

Source: NCI Dictionary of Cancer Terms