• Eur J Radiol · Oct 2013

    Comparative Study

    Adenocarcinoma of the lung with scattered consolidation: radiological-pathological correlation and prognosis.

    • Binghu Jiang, Shodayu Takashima, Tomoaki Hakucho, Numasaki Hodaka, Tomita Yasuhiko, and Higashiyama Masahiko.
    • Thoracic Medical Center and Department of Radiology, BenQ Hospital, Nanjing Medical University, 71 Hexi Street, Nanjing, Jiangsu 210019, China. mbhh@live.cn
    • Eur J Radiol. 2013 Oct 1; 82 (10): e623-7.

    PurposeTo investigate the clinicopathological features and prognosis in patients with adenocarcinoma of the lung with scattered consolidation (ALSC).Materials And MethodsBetween January 2006 and March 2010, 139 consecutive patients with lung adenocarcinoma of ≤3 cm, who underwent pulmonary resection for lung cancer, were investigated retrospectively. Radiologic classification was based on the findings of thin-section CT such as the presence of consolidation or ground-glass opacity (GGO). Type I (n=15) and Type II (n=14), showed a pure GGO and a mixed GGO with consolidation <50%, respectively. Type IV (n=38) and Type V (n=52) showed a mixed GGO with consolidation ≥50% and a pure consolidation, respectively. Type III (n=20) was the adenocarcinoma of the lung with scattered consolidation (ALSC). The clinicopathological features and prognosis of ALSC was investigated with comparative analysis and survival analysis.ResultsBecause of the similar recurrence rate for Type I and Type II (P=1.000), Type IV and Type V (P=0.343), we merged Type I and Type II as Type I+II, Type IV and Type V as Type IV+V, respectively. In the 20 (14.4%) patients with ALSC, lymph node metastasis was not observed, and it was rare in lymphatic invasion and vascular invasion. On the basis of IASLC/ATS/ERS 2011 classification, 80% of the ALSC were preinvasive lesions. In Noguchi classification, there was no significant difference between Type I+II and ALSC (P=0.260). The prognosis of ALSC was similar to Type I+II (P=0.408), but better than Type IV+V (P=0.040).ConclusionAdenocarcinoma of the lung with scattered consolidation (ALSC) on thin-section CT was a relatively favorable prognostic factor.Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.

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