肉芽肿：是一种什么疾病？

我岳母最近做了一次胸部 X 线检查，结果被告知她的肺部有一个肉芽肿。这是一种什么疾病？

回答 Pritish K. Tosh, M.D.

肉芽肿是一种小范围的炎症，通常在由于其他原因进行 X 线或其他影像学检查时偶然发现。肉芽肿一般属于非癌性（良性），

常见于肺部，但也可能见于身体其他部位以及头部。肉芽肿像是一种防御机制，可触发身体“隔离”细菌或真菌等外敌，阻止它们传播。常见诱因包括一种叫做结节病的炎性疾病，以及组织胞浆菌病或结核病等感染问题。

没有症状的肉芽肿患者几乎不需要治疗，甚至不需要随访的影像学检查。

With

Pritish K. Tosh, M.D.

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Feb. 17, 2023