Glomus tumor arises from: (A) Modified smooth muscle cells, (B) Modified skeletal muscle cells, (C) Merkel discs, (D) Melanocytes
Answer is A. Ans. is 'a' i.e., Modified smooth muscle cells Glomus tumors (Glomangioma)* Glomus tumors are benign but exquisitely painful tumors arising from modified smooth muscle cells of the glomus bodies, arteriovenous structures involved in thermoregulation.* Although they may superficially resemble hemangiomas, glomangiomas arise from smooth muscle cells rather than endothelial cells.* They are most commonly found in the distal portion of the digits, especially under the fingernails.* Excision is curative.