口腔颌面部慢性自发性血肿

目的 探讨口腔颌面部慢性自发性血肿的临床和病理特点。方法 收集1987年1月～1999年12月,发生在口腔颌面部自发性血肿39例,分析临床表现、阳性体征及病理形态学特点。结果 全部病例经手术治愈,病理诊断:肌间或灶性出血20例,机化血块10例,机化血栓9例。39例中有血管增生或扩张17例,血管畸形有血管瘤形态改变8例。临床误诊率达84.6％。结论 血肿部位存在着血管增生和扩张及动静脉和毛细血管畸形,与颅脑部的慢性自发生血肿有着相同的病理形态学基础。

CHRONIC AND SPONTANEOUS HEMATOMAS IN ORAL AND MAXILLOFACIAL REGION

ve The chronic and spontaneous hematomas in oral and maxillofacial region were observed to investigate their clinical and pathological characteristics Methods 39 patients with hematomas in oral and maxillofacial region from January 1987 to December 1999 were observed; the clinical features and morphological peculiarities were analyzed . Results All patients were healed by surgical operations, the pathological diagnosis revealed that among 39 patients, 20 with hemorrhage in muscles, 10 with fibrosis gore, 9 with fibrosis thrombus. There were hyperplasia and dilatation of arteriovenous vessels in 17 of 39 cases. The cryptic hemangioma was observed in 8 of 39 cases. The rate of misdiag-nosis was 84.6% . Conclusion There were the capillary vessels malformation and hyperplasia and dilatation of the arteriovenous vessels in the hematomas in the oral and maxillofacial regions, the same as in the encephalic hematomas.