Abstract：
Retiform hemangioendothelioma (RH) is a rare intermediate (locally aggressive) vascular tumor that mostly affects the dermis of the trunk and limbs, but has never been reported in the inferior turbinate. A 10-year-old Chinese boy presented with recurrent epistaxis in his left nasal cavity and anemia for more than 2 years. Radiographic and electronic video laryngoscopic images showed an expansile mass in the left inferior turbinate. Endoscopic surgery and electrocautery were performed to resect the tumor beyond the macroscopic border. Histopathologically, the tissues were infiltrated by hyperplastic blood vessels arranged in a retiform pattern, and endothelial cells proliferate significantly in some areas. Immunohistochemistry showed a positive result for CD31, CD34, Fli-1, and ERG. No epistaxis, tumor recurrence, or metastasis was found on reexamination over 18 months after surgery.
摘要：
逆行血管内皮瘤（RH）是一种罕见的中间（局部侵袭性）血管肿瘤，主要影响躯干和四肢的真皮，但从未在下鼻甲中报道过。一名10岁的中国男孩在他的左鼻腔出现复发性鼻出血和贫血超过2年。射线照相和电子视频喉镜图像显示左下鼻甲有膨胀性肿块。进行内窥镜手术和电灼术以切除超出宏观边界的肿瘤。组织病理学,这些组织被以退休模式排列的增生血管浸润，内皮细胞在某些区域显著增殖。免疫组织化学显示CD31、CD34、Fli-1和ERG阳性结果。没有鼻出血,肿瘤复发,或术后18个月复查发现转移。
