Objective to study the clinic pathological characteristics of propylthiouracil (PTU) -induced antineutrophil cytoplasmic antibody (ANCA) positive small vessel vasculitis.

目的研究丙基硫氧嘧啶(PTU)诱发的抗中性粒细胞胞质抗体(ANCA)阳性小血管炎的临床病理表现及诊治方法。

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Small vessel vasculitis, primary; Pulmonary lesions; HRCT; Antineutrophil cytoplasmic antibody;

小血管炎，原发性； 肺损害； HRCT； 抗中性粒细胞胞浆抗体；

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U/ml, anti-endothelial cell antibody(AECA)titre 1:10, antinuclear antibody titre 1:320, His antineutrophil cytoplasmic antibody was positive.

抗内皮细胞抗体（AECA）滴度1：10，抗核抗体滴度1：320，抗中性粒细胞胞浆抗体试验呈阳性。

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