Abstract
Intramuscular hemangiomas are rare benign vascular neoplasms. IMH accounts for less than 1% of all hemangiomas. These neoplasms commonly occur in trunk and extremities but are rare in head and neck region. The present case is a 17-year-old female patient, who presented with a painless, slowly enlarging mass in left sided upper neck for 4 years. Investigations were suggestive of vascular neoplasm. She underwent excision of the mass in toto under general anesthesia. Postoperative period was uneventful. Histopathological examination of the mass revealed it as mixed type of intramuscular hemangioma. She did not have any signs of recurrences on her last follow-up at 6 months postoperatively. This case report discusses the rare IMH arising from thyrohyoid strap muscle.
Highlights
Hemangiomas are benign vascular neoplasms which usually occur in the skin and mucosa
intramuscular hemangioma (IMH) are frequently found in trunk and extremities but are uncommon in the head and neck region
We report a case of intramuscular haemangioma of thyrohyoid muscle
Summary
Hemangiomas are benign vascular neoplasms which usually occur in the skin and mucosa. Intramuscular hemangioma (IMH) is a rare neoplasm accounting for less than one percent of all hemangiomas [1]. IMH are frequently found in trunk and extremities but are uncommon in the head and neck region. The masseter and the trapezius muscles are the most commonly involved muscles in this region with thyrohyoid muscle being the uncommon site. Thyrohyoid is an infrahyoid type of strap muscle which is a striated muscle in the neck. Its action is to depress the hyoid bone elevating the larynx. There are only a few cases of intramuscular haemangioma arising from this muscle, reported in the literature [2]. We report a case of intramuscular haemangioma of thyrohyoid muscle
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