Placental chorioangioma is the most common benign tumor of placenta. 摘要胎盤(pán)絨毛膜血管瘤是胎盤(pán)最常見(jiàn)的良性腫瘤。
Facial nerve hemangioma, weigh fungous hemangioma again, for infrequent and the benign tumor that diagnoses hard. 面神經(jīng)血管瘤,又稱(chēng)海綿狀血管瘤,為罕見(jiàn)且難以診斷的良性腫瘤。