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发生于骨内的神经鞘瘤可为神经纤维瘤的累及,或为骨外膜下神经周雪旺氏细胞的弥漫性增生,或由伴随营养动脉分枝分布于骨质内的神经鞘细胞发生,表现为皮质或髓腔内肿块,均较罕见。我们近遇1例,报告如下。患者张××,女,11岁。住院号42737。右上颌骨肿物1年余,渐大,局部有隐痛。查体见肿块位于6根周区,颊侧前庭沟隆起,无压痛,质硬,边界清。76无异常。启口度正常。X线平片示上颌骨内溶骨性隐影,界限清,周边有一薄层骨硬化线。临床诊断:右上颌骨囊肿。住院手术治疗。
The schwannomas that occur in the bone may be involved in neurofibromas, or may be diffuse hyperplasia of subperiosteal perirenal Schwann cells, or may occur from nerve sheath cells that are distributed within the bone with vegetative arterial branches. Cortical or intramedullary masses are rare. We met with 1 case in the near future. The report is as follows. The patient Zhang × ×, female, 11 years old. Hospital number 42737. The right upper jaw was more than one year old and gradually became large, with partial pain. The examination showed that the masses were located in the six peripheral regions and the buccal vestibular swelled up without tenderness, hard and clear borders. 76 No abnormalities. The opening degree is normal. The X-ray film shows the osteolytic inside of the maxilla, the boundary is clear, and there is a thin layer of bone hardening around. Clinical diagnosis: right maxillary cyst. Hospital surgery.