Canadian Medical Guide > Diseases > Neoplasms > Neoplasms by Histologic Type > Neoplasms, Connective and Soft Tissue > Neoplasms, Muscle Tissue > Leiomyoma Terms and Definitions

Leiomyoma

Medical 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 tissues, probably arising from the smooth muscle of small blood vessels in these tissues.
Guide Notes:	solitary; multiple = LEIOMYOMATOSIS; coord IM with precoord organ/neopl term (IM); for X refs FIBROID UTERUS; FIBROIDS, UTERINE & FIBROMA, UTERINE: coord with UTERINE NEOPLASMS (IM)
Also Called:	Fibroid Uterus

Leiomyoma Categories.

	Angiomyoma - A benign tumor consisting of vascular and smooth muscle elements.
	Leiomyoma, Epithelioid - A relatively rare smooth muscle tumor found most frequently in the wall of the gastrointestinal tract, especially in the stomach. It is similar to other smooth muscle tumors but may become very large and hemorrhage and exhibit small cystic areas. Simple excision is almost always curative. (From Dorland, 27th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1354)
	Leiomyomatosis - The state of having multiple leiomyomas throughout the body. (Stedman, 25th ed)

Leiomyoma Medical Definitions and Terms

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