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膿尿

膿尿
White blood cells seen under a microscope from a urine sample.
类型泌尿系統疾病[*]泌尿系统症状[*]疾病
分类和外部资源
醫學專科泌尿外科
ICD-11MF97
ICD-10N39.0
ICD-9-CM791.9
MeSHD011776
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膿尿(pyuria)是尿液裡含白血球的狀況。膿,其實就是死亡或存活的白血球細胞。根據醫學上的定義,未離心且排尿中段的尿液,在每個高倍視野下,存在 6-10 个或更多嗜中性粒细胞 ,可算是膿尿。在严格的定义下,脓尿的诊断还需要尿液变色、混浊或气味变化等条件;若无这些额外的特征,只能称为白细胞尿(leukocyturia)。脓尿可能是细菌性尿路感染的征兆,此外,败血症患者或老年肺炎患者常可出现脓尿。

无菌性脓尿是尿液中含有白细胞,但用标准培养技术却是无菌的;其通常因淋病等性传播感染,或因无法在细菌培养中生长的病毒而引起。

成因

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以下為膿尿的可能成因:

參考資料

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膿尿
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