黄色肉芽肿肾盂肾炎(下称XGP)是一种少见的特殊的慢性肾盂肾炎,临床易误诊为肿瘤、襄肿或其它感染而被漏诊。本文报告经活检证实的11例,就其临床病理,组织化学,免疫组化标记及电镜观察结果进行探讨,以提高对本病的认识和诊断水平。资料和方法本文收集我院1980年至1991年11例XGP。每例除HE、银及Van—Kossas染色外,加做苏丹 Yellow granulomatous pyelonephritis (hereinafter referred to as XGP) is a rare special chronic pyelonephritis, clinically misdiagnosed as tumor, swollen or other infections were missed. This article reports the biopsy confirmed in 11 cases, on its clinical and histopathological, histochemical, immunohistochemical markers and electron microscopy findings to explore to improve the understanding of the disease and the level of diagnosis. Materials and Methods This article collected 11 cases of XGP from 1980 to 1991 in our hospital. Each case in addition to HE, silver and Van-Kossas staining, add Sudan