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。

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

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目的定量检测各种结缔组织疾病（CTD）患者血清中抗可提取核抗原（ENA）自身抗体滴度，并探索其临床意义。

Objective To study the clinical significance of the quantitative determination of the various anti extracted nuclear antigens(ENA) autoantibodies in the various connective tissue disease (CTD).

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间接免疫荧光法检测血清中抗核抗体(ANA)的荧光滴度。

The serum fluorescence titres of anti-nuclear antibodies (ANA) were tested by indirect immunofluorescence technique.

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