Histology of the tumor revealed necrosis of salivary glands squamous metaplasia of salivary ducts and acini with bland appearance of the squamous cells which showed occasional nuclear atypia.
病理特征为：唾腺坏死、唾腺管与腺泡的鳞状化生、其鳞状细胞外观平淡无奇，但偶可见异常细胞核。
Based on poor glandular formation, necrosis, cellular atypia, nuclear pleomorphism, invasion of soft tissue and bone, and vascular permeation.
主要基于腺管的结构分化不良，坏死，细胞异型性，核多型性，软组织和骨浸润以及血管浸润。
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