1996年国际血管异常学会（ISSVA）将血管异常（vascular anomaly）按照组织学、临床表现和流量特征分为肿瘤性病变和血管畸形，其中血管畸形的分型沿用Malan、Degni的方法（表2）。
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视网膜内微血管异常 intraretinal microvascular abnormalities ; IRMA
肠血管异常 vascular abnormality of intestine
脐带血管异常 vascular abnormality of umbilical cord
先天性视网膜血管异常 congenital abnormality of retinal vessel
心血管异常 cardiovascular anomalies
微血管异常 IRMA ; intraretinal microvascular abnormality
视网膜微血管异常 intraretinal microvascular abnormality
血管发育异常 abnormal vessel formation
Thus, the 595nm controllable pulse-width PDL is an efficient and safe therapeutic approach for the treatment of skin vascular abnormalities at present.
595nm波长可调脉宽的脉冲染料激光治疗皮肤血管异常性疾病安全性高,疗效确切,是目前较理想的治疗方法。
参考来源 - 激光治疗皮肤血管性疾病的临床分析·2,447,543篇论文数据，部分数据来源于NoteExpress
胎儿心血管异常是胎儿最常见的先天性畸形。
Fetal congenital cardial vascular anomalies are the most commonly defects during fetal life.
目的探讨肺孤立结节增强CT表现特点、周围肺血管异常改变与病理的关系。
Objective To study CT features of solitary pulmonary nodules (SPNs) and adjacent pulmonary vessels, and their pathologic basis.
颈静脉球经下鼓室底部骨层裂隙膨入中耳腔，是一种罕见的中耳腔血管异常。
Dehiscence of the floor of the hypotympanum with protrusion of the jugular bulb into the middle ear cavity is a rare otological finding.
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