坏死性肉芽肿又称“恶性肉芽肿”、“坏疽性肉芽肿”，多发生于青年和中年人，男性多见，以鼻中线部多发，分为三个区：前驱期：鼻塞，有水样或浆液性分泌物；活动期：不规则发热，患区形成溃疡，进一步发展，破坏软组织、软骨和骨；终末期：高度营养不良，衰竭，坏死溃疡... Necrotizing granuloma, also known as “malignant granuloma,” “gangrenous granuloma,” occurred in young and middle-aged people, more common in men, nasal line in the Ministry of multiple, divided into three areas: the precursor period: nasal congestion, there Watery or serous discharges; Period of activity: Irregular fever, ulcer formation in the affected area, further development, destruction of soft tissue, cartilage and bone; End stage: High malnutrition, failure, necrotic ulcer ...