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目的 总结周围型肺癌的CT误诊原因。方法 对 32例术前CT误诊病例、均经手术病理和穿刺病理证实的周围型肺癌的CT表现、临床资料进行回顾性分析。结果 手术病理证实 2 3例 ,穿刺病理证实9例。术前CT误诊为结核瘤 16例、炎性假瘤 8例、错构瘤 5例、局灶性肺炎 3例。结论 肺癌各种CT征象均无绝对的特异性 ;完善扫描方法 ,重视平片及临床资料 ,结合多种影像信息、综合分析 ,可有效降低误诊率。
Objective To summarize the causes of CT misdiagnosis in peripheral lung cancer. Methods 32 patients with misdiagnosed cases of CT were retrospectively analyzed with CT findings and clinical data of peripheral lung cancer confirmed by pathology and biopsy. Results of surgical pathology confirmed 23 cases, 9 cases confirmed by puncture pathology. Preoperative CT misdiagnosed as tuberculosis in 16 cases, inflammatory pseudotumor in 8 cases, hamartoma in 5 cases, focal pneumonia in 3 cases. Conclusions All kinds of CT signs of lung cancer have no absolute specificity. By improving the scanning method, attaching importance to plain film and clinical data, combined with a variety of imaging information, comprehensive analysis can effectively reduce the misdiagnosis rate.