发生于颌面颈部的神经鞘瘤一阵经纤维瘤（病）不少见，但发生于该部位的恶性神经鞘瘤（Malign3ntperipheralnervesheathtumor，MPNgr）却并不多见。我科曾收治2例，现报道如下。例1，男，47岁，工人。发现左颈部渐大无痛性肿块1月余。口腔科检查：左下颌角后下方，胸锁乳突肌前 Occurred in the maxillofacial schwannoma while a fibroids (disease) is not uncommon, but occurred in this area of ​​malignant schwannoma (Malignant tripe peripheral nervesheathumor, MPNgr) are rare. My department had admitted 2 cases, are reported below. Example 1, male, 47 years old, worker. Found that the left neck gradually painless mass more than 1 month. Stomatological examination: left below the mandibular angle, sternocleidomastoid muscle before