Objective:Malignant melanoma is not an uncommon malignancy in the head and neck regions but metastatic malanoma in the parotid was very rare.
英
美
- 目的恶性黑色素瘤是头颈部常见的恶性肿瘤,腮腺内原发灶不明的转移性恶性黑色素瘤非常少见。