颌面部软骨肉瘤殊为少见,近年来我院收治二例,一例发生干颧弓,另一例发生于上颌,资料较完整,现结合文献加以讨论,供参考。病例报告例1,李某,男,28岁,住院号533。左侧面颧部于一个月前曾碰伤,当时局部可触及卵黄大小肿物,其后逐渐增大,但无疼痛,麻木等不适。查体:左面颧部膨隆约8.0×7.0×3.5厘米~3,肤色正常,质硬,表 Maxillofacial chondrosarcoma is uncommon, in recent years, our hospital admitted to two cases, one case of dry zygomatic arch, the other occurred in the maxillary, more complete information, are now combined with the literature to be discussed for reference. Case report 1, Lee, male, 28 years old, hospital number 533. The left side of the zygomatic area had bruised a month ago, when the local access to the size of the yolk tumor, then gradually increased, but no pain, numbness and other discomfort. Physical examination: left zygomatic bulge about 8.0 × 7.0 × 3.5 cm ~ 3, normal skin color, hard table