癌肉瘤（ｃａｒｃｉｎｏｓａｒｃｏｍａ，ＣＳ）或称真性恶性混合瘤是一种罕见的恶性肿瘤；迄１９９５年，英文文献仅报告４５例。我们近１０年收治原发腮腺的ＣＳ２例，现报告如下：例１　男，５１岁。因左腮腺混合瘤术后１年，局部复发伴左侧面瘫８个月入院。入院查体：左腮 Carcinosarcoma (CS) or malignant mixed tumor of the true nature is a rare malignancy; as of 1995, the English literature only reported 45 cases. We nearly 10 years of primary parotid gland CS2 cases are reported as follows: Example 1 male, 51 years old. Due to left parotid mixed tumor 1 year after surgery, local recurrence with left facial paralysis 8 months admission. Admission examination: left cheek