横纹肌肉瘤为来自中胚层的恶性肿瘤,发生于鼻腔及鼻窦者极少见。在搜集英美1934—1973年间的资料中,鼻及鼻窦横纹肌肉瘤仅占全身各部的1.3％,国内尚未见有鼻腔横纹肌肉瘤的报道,现将我院收治的4例报告如下: 例1:女,56岁,以右侧鼻塞半年而入院。半年前右鼻不畅,进行性加重,三个月后完全阻塞伴多次 Rhabdomyosarcoma is a malignant tumor from the mesoderm that occurs rarely in the nasal cavity and sinuses. In the collection of data between Britain and the United States from 1934 to 1973, nasal and sinus rhabdomyosarcoma only accounted for 1.3% of all body parts. No cases of nasal rhabdomyosarcoma have been reported in the country. The 4 cases admitted to our hospital are reported as follows: Example 1: Female, 56 years old, admitted to the hospital with a nasal congestion on the right side for six months. Six months ago, the right nose was not smooth and was progressively worsened. After three months, it was completely obstructed with multiple times.