Solitary myofibroma of the mandible in an adult with magnetic resonance imaging and positron emission tomography findings: a case report

被引：0
作者：
Yoko Tanaka
Hiroyuki Yamada
Tomoyuki Saito
Kazutoshi Nakaoka
Kenichi Kumagai
Hisako Fujihara
Kenji Mishima
Yoshiki Hamada
机构：
[1] Sendai Tokushukai Hospital,Department of Oral and Maxillofacial Surgery
[2] Tsurumi University School of Dental Medicine,Department of Oral and Maxillofacial Surgery
[3] Nagano Matsushiro General Hospital,Department of Oral and Maxillofacial Surgery
[4] Showa University,Department of Oral Pathology and Diagnosis, School of Dentistry
来源：
World Journal of Surgical Oncology | / 12卷
关键词：
Myofibroma; Mandible; Adult; MRI; PET;
D O I：
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摘要：
Myofibroma is a benign tumor composed of myoid spindle cells. The prevalence of myofibroma in the oral cavity is very low, with the mandible being the most common site. This report describes an adult case of myofibroma that arose on the mandible and includes magnetic resonance imaging (MRI) and positron emission tomography (PET) findings. On the MRI T1-weighted images, the tumor appeared with signal iso-intensity and was highly and heterogeneously enhanced with contrast material. On the T2-weighted images, it appeared with increased signal intensity. 18 F-fluorodeoxyglucose (FDG)-PET imaging showed abnormal strong accumulation of FDG in the left mandibular region. The tumor was removed by marginal resection of the left mandible under general anesthesia. Histopathological findings revealed that the tumor stroma contained abundant thin-walled vessels. The postoperative course was uneventful, and we found no evidence of recurrence at the postoperative 34-month follow-up.
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