A leiomyoma is a benign tumor of smooth muscle, usually derived from the erector pili muscle. A variant, angioleiomyoma, arises from the muscle of blood vessels.
A leiomyoma typically is a round nodule less than 1 cm in diameter. Lesions may be painful. Secondary to contraction of the muscle elements, some lesions show evident clinical contraction associated with pain development.
- Surgical excision is the treatment of choice.
- Calcium channel blockers can be used to relieve painful contractions.
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