恶性肉芽肿是指一些非特异性面中部、上呼吸道迅速进行的坏死性肉芽和溃疡性病变。由于认识不一,名称繁多,如“鼻恶性肉芽肿”、“肉芽肿性溃疡”、“进行性致死性肉芽肿”、“面部坏死性肉芽肿”、“坏死性肉芽肿”、“致死性中线肉芽肿”……等。美国常用致死性中线肉芽肿(简称LMG),欧州则多称恶性肉芽肿。我国亦以恶性肉芽肿为最通用。上述这些名称,都从病变的好发部位(面中部、鼻部、中线)和局部表现(坏死、肉芽 Malignant granuloma is defined as the non-specific midface of the middle of the upper respiratory tract necrotic granulation and ulcerative lesions. Because of different understanding, the name of many, such as “nasal malignant granuloma”, “granulomatous ulcer”, “progressive lethal granuloma”, “facial necrotizing granuloma”, “necrotizing granuloma”, “lethal Midline granuloma ”... ... and so on. The United States commonly used lethal midline granuloma (referred to as LMG), the European are more known as malignant granuloma. My country is also the most common malignant granuloma. These names, all from the lesion site (midface, nose, midline) and local manifestations (necrosis, granulation