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关节旁黏液瘤是一种来源于腱鞘、韧带等关节旁组织的良性软组织肿瘤,目前未见发生于颞下颌关节(temporomandibular joint,TMJ)旁的报道。本文报告1例罕见的TMJ旁黏液瘤,其体积巨大并累及髁突前内侧的颞下间隙。采用经髁突及盘前附着进路摘除肿瘤。术后随访2.5 a,患者无不适主诉,无颌面部畸形和开口受限,影像学检查显示肿瘤未复发。经髁突及盘前附着进路不仅保存了正常TMJ的结构和功能,还利于完整摘除肿瘤,防止复发。
Paralymphoma is a benign soft tissue tumor derived from the paravertebral tissues such as tendon sheath and ligament. So far, there is no report about the temporomandibular joint (TMJ). This article reports a rare case of TMJ para myxoma, which is bulky and involves the infratemporal space in the anterior medial condyle. Adoption of the condyle and anterior disk approach to remove the tumor. The patients were followed up for 2.5 years. No complaints were found. No maxillofacial deformities and limited opening were detected. Imaging examination showed no recurrence of tumor. The condyle and anterior disk approach not only preserved the normal structure and function of TMJ, but also conducive to the complete removal of the tumor, to prevent recurrence.