1、A schwannoma is a type of tumor that originates from Schwann cells, which are the cells that wrap around the nerve fibers in the peripheral nervous system.
一个神经纤维瘤是一种起源于周围神经系统中包裹神经纤维的Schwann细胞的肿瘤。
2、The most common symptom of a schwannoma is a painless lump or mass that can be felt under the skin.
神经纤维瘤最常见的症状是皮下可触摸到的无痛肿块或肿块。