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目的：分析HRCT影像诊断儿童支气管扩张症的应用效果。方法：选取2022年4月-2024年3月本院60 例支气管扩张症患儿开展研究，60例患儿均行X线检查，纳入对照组，行HRCT检查，纳入观察组，比较两组诊断 效果。结果：观察组的静脉曲张型、柱状型、总检出率、诊断准确度、特异度和敏感度均明显高于对照组（P < 0.05）。结论：临床筛查小儿支气管扩张症时采用HRCT（高分辩扫描）影像存在较高诊断效能，可识别疾病类型， 具有推广价值。 [ABSTRACT FROM AUTHOR]