放线菌病发生于上颌窦者少见,现报告1例。患者,女,25岁。因鼻涕中带血丝3年余,于1986年9月17日入院。自1983年起,常鼻涕中带血丝,无鼻阻塞,无头痛,曾在外院检查未见异常。入院前1周开始,多次经咽部咯出鲜血数口,门诊检查见右下鼻道有少许积血,鼻腔及鼻咽部未见新生物及活动性出血点;X线摄片见右上颌窦昏暗 Actinomycosis occurs in the maxillary sinus rare, is reported in 1 case. Patient, female, 25 years old. Due to nosebleed with bloodshot more than 3 years, in September 17, 1986 admission. Since 1983, nasal discharge with bloodshot nose, no nose blockage, no headache, had no abnormalities in the outer hospital examination. A week before admission, the number of times through the pharynx spit out the number of blood, out-patient examination, see a little hemorrhage in the right lower right nasal, nasal and nasopharyngeal no new biological and active bleeding; X-ray right Maxillary sinus dim