Objective To study the status, nexus, possible reason and clinical infection of the pleomorphic adenoma in parotid and the gland system shift of parotid simple leaf.

目的研究腮腺多形性腺瘤与腮腺腺体移位的状况、关系、可能原因及临床的影响。

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Objective: To study the status, relation, possible reason and clinical effect of the pleomorphic adenoma in parotid and the gland system shift of parotid simple leaf.

目的：研究腮腺多形性腺瘤与腮腺腺体移位的状况、关系、可能原因及临床影响。

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OBJECTIVE To investigate the feasibility of preserving parotid duct in regional excision of pleomorphic adenoma.

目的探讨腮腺多形性腺瘤保留腮腺主导管的区域性切除的可行性。

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