Li Guiqi, Jiang Wen, Li Wei, Li Junchuan
Department of Stomatology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China.
Department of Pathology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China.
Oncol Lett. 2014 May;7(5):1679-1682. doi: 10.3892/ol.2014.1955. Epub 2014 Mar 7.
Intramuscular myxoma (IM) is a benign intramuscular neoplasm composed of fibroblasts and abundant myxoid stroma. IMs most commonly affect larger skeletal muscles, while those affecting the oral and maxillofacial regions are rare, with a small number of documented cases in the available literature. The aim of the present study was to describe a highly rare case of an IM within the hyoglossus muscle of the tongue in a 74-year-old male. The patient presented with a painless mass in the submental space that had been growing slowly for more than five years. A computed tomography scan revealed a hypodense lesion located in the root of the tongue. The mass was easily excised with thin margins, including only a small amount of the adjacent muscle tissue. The pathological diagnosis of the mass was an IM. The patient made an excellent recovery following the surgery and the follow-up three years later revealed no local recurrence. IMs of the hyoglossus muscle are highly rare, however must be considered in the differential diagnosis of swellings in the root of the tongue region.
肌内黏液瘤（IM）是一种由成纤维细胞和丰富的黏液样基质组成的良性肌内肿瘤。IM最常累及较大的骨骼肌，而累及口腔颌面部区域的则较为罕见，现有文献中仅有少数病例记载。本研究的目的是描述一例74岁男性舌内舌骨舌肌内高度罕见的IM病例。患者颏下间隙出现无痛性肿块，已缓慢生长五年多。计算机断层扫描显示舌根部有一个低密度病变。肿块很容易被切除，切缘很薄，仅包括少量相邻肌肉组织。肿块的病理诊断为IM。患者术后恢复良好，三年后的随访显示无局部复发。舌骨舌肌的IM非常罕见，但在舌根部肿胀的鉴别诊断中必须予以考虑。
