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高倍镜下可见肾动脉的一个分支有血管炎。这是坏死性肉芽肿性血管炎。本例，血清C-ANCA阳性，诊断为wegener肉芽肿。 |
At high power, the vasculitis is seen to involve a renal artery branch. This is a necrotizing granulomatous vasculitis. In this case, the C-ANCA serology was positive and a diagnosis of Wegener's granulomatosis was made. |
