Objective To investigate the causes of recurrence and malignant change of pleomorphic adenoma (benign mixed tumour) of lacrimalgland.
目的探讨泪腺良性多形性腺瘤术后易复发和恶性变的原因。
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Results Among lacrimalgland tumors, the pleomorphic adenoma, adenoid cystadenocarcinoma, pleomorphic adenocarcinoma and adenocarcinoma were very common.