Leiomyoma

**Definition:** A benign tumor derived from smooth muscle tissue, also known as a fibroid tumor. They rarely occur outside of the UTERUS and the GASTROINTESTINAL TRACT but can occur in the SKIN and SUBCUTANEOUS TISSUE, probably arising from the smooth muscle of small blood vessels in these tissues.

**Tree numbers:** - C04.557.450.590.450

**Synonyms:** - Fibroid - Fibroid Tumor - Fibromyoma