咽部巨大成人型横纹肌瘤1例报道
Chinese Journal of Otorhinolaryngology-skull Base Surgery(2021)
Abstract
横纹肌瘤是一种较为罕见的错构瘤.根据分化程度不同,可分为成人型、胎儿型和生殖器型.成人横纹肌瘤占所有肌肉瘤的2%[1].成人横纹肌瘤表现为成熟的骨骼肌分化,心外横纹肌瘤多发生在头颈部(约70%),男性多见,主要累及上消化道黏膜(口腔、口咽部、喉咽部)及颈部软组织,通常生长缓慢[2].一般情况下,成人型横纹肌瘤呈深棕色或棕红色,直径一般为1.5~7.5 cm,质地柔软或呈橡皮样,分叶或结节状,无明显包膜[34].而本文病例肿物巨大,远远超出以往的报道.
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