Retiform Hemangioendothelioma
摘要
Retiform hemangioendothelioma (RH) is a rare vascular tumor first reported by Calonje et al in 1994 and classified RH as locally aggressive or borderline vascular tumor by the International Society for the Study of Vascular Anomalies (ISSVA) in 2018 [1–5]. The mean age of the patients is 37.8 years, with the age range from 6 to 78 years. RH is more common in female, with a male to female ratio of 1:2 [4–6].