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Clinical Problem Solving: Radiology
November 2002

Diagnosis Radiology Quiz Case 1

Arch Otolaryngol Head Neck Surg. 2002;128(11):1332-1333. doi:

Angiomyoma and angioleiomyoma are synonyms for vascular leiomyoma, but the latter is a more accepted term, because it is more accurately descriptive and widely used.1 Vascular leiomyoma is an uncommon type of smooth muscle tumor and is rarely seen in the head and neck. In a review of 562 cases by Hachisuga et al2 over a 17-year period, only 48 were seen in the head and neck. Most commonly, vascular leiomyomas arise in the female genital tract, gastrointestinal system, and pilar arrector muscles of the skin. Their exact pathogenesis is not known, but most authors agree that they probably originate in smooth muscle cells within blood vessel walls.3,4 In the head and neck, vascular leiomyomas are found in the lips, auricle, nostrils, skin of the occipital region, and cheeks. They very rarely occur in the larynx.5

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