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现将一些甚难确诊、又易疏忽的颈部肿瘤,综述于下: 一、错位性涎腺混合瘤 涎腺组织可分为大涎腺和小涎腺二大类:前者即为腮腺、颌下腺和舌下腺;后者则分布在口腔、腭、颊和唇的粘膜下,Lucas把小涎腺分成八组——唇腺、颊腺、臼齿后腺、口底腺、舌腭腺、腭腺、扁桃体腺和舌腺。当一个孤立的涎腺组织发生在上述部位以外之处,则称为涎腺错位(Heterotopia)或异位(Ectopia)。错位是指部份器
Some difficult-to-diagnose and inadvertent neck tumors are reviewed below: 1. Misaligned parotid gland mixed tumors The parotid gland tissue can be divided into two major categories, the large parotid gland and the small parotid gland: the former is the parotid gland and submandibular gland. And sublingual glands; the latter are distributed under the mucous membranes of the oral cavity, palate, cheeks, and lips. Lucas divides the small parotid glands into eight groups - labial glands, buccal glands, posterior molars, mouth floor glands, lingual glands, and fistulas. The glands, tonsil glands and tongue glands. When an isolated salivary gland tissue occurs outside the above-mentioned site, it is called Heterotopia or Ectopia. Dislocation refers to partial device