J Korean Assoc Oral Maxillofac Surg 2017; 43(2): 125~133
Intramuscular hemangiomas on the masseter muscle and orbicularis oris muscle: a report of two cases
Il-Kyu Kim1, Ji-Hoon Seo1, Hyun-Young Cho1, Dong-Hwan Lee1, Jun-Min Jang1, Joon Mee Kim2, In Suh Park2
1Department of Oral and Maxillofacial Surgery, Inha University College of Medicine,
2Department of Pathology, Inha University School of Medicine, Incheon, Korea
Il-Kyu Kim
Department of Oral and Maxillofacial Surgery, Inha University Hospital, Inha University College of Medicine, 27 Inhang-ro, Jung-gu, Incheon 22332, Korea
TEL: +82-32-890-2470
FAX: +82-32-890-2475
E-mail: kik@inha.ac.kr
Received June 30, 2016; Revised September 3, 2016; Accepted September 21, 2016.; Published online April 30, 2017.
© Korean Association of Oral and Maxillofacial Surgeons. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Intramuscular hemangioma (IMH) is a rare vascular disease involving skeletal muscle, comprising only 0.8% of hemangiomas. About 10% to 15% of IMHs occur in the head and neck region, mostly involving the masseter muscle. IMH occurs mostly in childhood, but is often not found until unexpected enlargement, pain, or cosmetic asymmetry occurs in adulthood. Several non-surgical treatments including cryotherapy, sclerosant injection, and arterial ligature have been described, but complete surgical resection is the curative intervention. In this report, we present two rare cases of IMH. One IMH case in a 48-year-old male occurred in the masseter muscle feeding from the transverse facial artery. Embolization of the distal branch of the facial artery was first conducted, and then the buccal mass was removed surgically via the intraoral approach. A second IMH case in a 58-year-old female occurred in the orbicularis oris muscle feeding from the superior labial artery, and the mass was excised surgically without embolization.
Keywords: Intramuscular hemangioma, Hemangioma, Vascular tumor, Vascular malformations

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