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腺泡状软组织肉瘤(alveolar soft part sarcoma,ASPS)又称恶性颗粒细胞肌母细胞瘤。1952年由Christopherson等~(〔1〕)首先报道,是一种罕见的软组织肉瘤,发病率只占软组织肉瘤的0.5%~1.0%。而发生于头颈部的ASPS更罕见,占头颈部肉瘤的比例不足0.1%。头颈部ASPS以婴幼儿和儿童多见,病程进展相对较快,预后不良,易早期发生远处转移。1头颈部ASPS的诊断1.1临床特征
Alveolar soft tissue sarcoma (alveolar soft part sarcoma, ASPS), also known as malignant granulosa cell myoblastoma. First reported in 1952 by Christopherson ~ (〔1〕), is a rare soft tissue sarcoma, the incidence of soft tissue sarcoma only 0.5% to 1.0%. The occurrence of head and neck ASPS is even more rare, accounting for the proportion of head and neck sarcoma less than 0.1%. Head and neck ASPS to infants and children more common, relatively rapid progression of the disease, the prognosis is poor, easy to early distant metastasis. 1 head and neck ASPS diagnosis 1.1 clinical features