血管类肿瘤绝大多数位于软组织内,发生于肺部者罕见,临床表现多无特异性,诊断较为困难。影像学检查易于发现病变并可精确定位,对其内部结构、边缘形态、与周围结构的关系等可以清楚显示,能够为临床诊断和治疗决策提供有益的帮助。 血管类肿瘤绝大多数起源于血管内皮,偶尔起源于血管周围组织。 起源于血管内皮的血管类肿瘤一般分为良性、中间型和恶性三类。在良性肿瘤中,以血管瘤最为常见,其中包括毛细血管瘤、海绵状血管瘤、静脉型血管瘤。上皮样血管瘤和肉芽肿型血管瘤等;中间型肿瘤中,以上皮样血管内皮瘤、梭形细胞血管内皮瘤和血管内乳头状血管内皮瘤等较为常见;恶性肿瘤中,以血管肉瘤最为常见。 起源于血管周围组织的肿瘤可分为良性和恶性, The vast majority of vascular tumors are located in soft tissues and rare in the lungs. Their clinical manifestations are often non-specific and their diagnosis is difficult. Imaging examination is easy to find lesions and can be accurately positioned, its internal structure, edge morphology, and the relationship with the surrounding structure can be clearly displayed, can provide useful help for clinical diagnosis and treatment decisions. The vast majority of vascular tumors originate from the vascular endothelium and occasionally originate from the perivascular tissue. Vascular tumors originating from the vascular endothelium are generally divided into benign, intermediate and malignant categories. In benign tumors, hemangiomas are the most common, including capillary hemangiomas, cavernous hemangiomas, and intravenous hemangiomas. Epithelioid hemangioma and granulomatous hemangioma; among the intermediate tumors, epidermoid hemangioendothelioma, spindle cell hemangioendothelioma, and intravascular papillary hemangioendothelioma are more common; angiosarcoma is the most common malignancy. common. Tumors originating from the perivascular tissue can be classified as benign and malignant.