海绵状血管瘤在鼻腔及鼻窦的良性肿瘤中,据国内文献报道居首位。原发于上颌窦较为少见。近年对于罕见的鼻部及鼻窦的海绵状血管瘤报道也渐增多,有报道原发于鼻骨,上颌骨者,亦有上颌窦内粘膜继而累及上颌骨者。作者于1988—1989年遇见3例上颌窦海绵状血管瘤,现报告如下。例1 王某某,男,20岁。住院号:164250。反复右鼻衄一年余,近月伴鼻塞加重,右眼球突出,面部持续性疼痛和嗅觉减退。右眼球略向前方凸出,眼外肌活动尚正常,鼻 Cavernous hemangiomas in the nasal and sinus benign tumors, according to the domestic literature ranked first. Primary in the maxillary sinus is relatively rare. In recent years, rare reports of cavernous hemangiomas of the nose and sinuses are also increasing. It is reported that primary nasal bone and maxilla are also involved in maxillary sinus mucosa. The author met three cases of maxillary sinus cavernous hemangiomas in 1988-1989, are as follows. Example 1 Wang Moumou, male, 20 years old. Hospital number: 164250. Repeated right nostril more than a year, in recent months with nasal congestion worse, prominent right eye, facial persistent pain and loss of smell. Right eye protruding slightly to the front, extraocular muscle activity is still normal, nose