接受普通化疗的患者中高达40%患有痛性口腔溃疡亦为粘膜炎，这能够产生咀嚼和咽食困难。

Up to 40 percent of patients given a common chemotherapy drug suffer from the painful sores known as oral mucositis, which can make eating and swallowing difficult.

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目的：观察顽固性咽部溃疡(rpu)患者咽部组织粘膜炎细胞的病理意义。

Objective: to study the relationship between inflammatory cell infiltration in recurrent pharyngeal ulcer (RPU) tissues and pathogenesis.

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