Long-term Outcomes of Patients With Ground-Glass Opacities Detected Using CT Scanning

医学 磨玻璃样改变 癌症 内科学 外科 放射科 腺癌
作者
Shigeki Shibata,Natsumi Yamashita,Ryujiro Sugimoto,Toshihide Ueno,Motohiro Yamashita
出处
期刊:Chest [Elsevier]
卷期号:151 (2): 308-315 被引量:60
标识
DOI:10.1016/j.chest.2016.07.007
摘要

The long-term outcomes of follow-up care for ground-glass opacity (GGO) lesions need to be clarified.Between 2000 and 2005, a total of 226 patients with pure or mixed GGO lesions ≤ 3 cm in size were registered. The CT findings and changes in the findings during the follow-up period and the outcomes of the 226 patients were subsequently reviewed.Overall, 124 patients underwent resections, 57 did not receive follow-up examinations after 68 months because of stable disease or disease reduction, and 45 are continuing to receive follow-up examinations. Thirty-nine patients exhibited tumor growth during the follow-up period. Among the patients with a ratio of the diameter of consolidation relative to the tumor diameter (CTR) > 0, all cases with tumor growth were identified within 3 years; meanwhile, > 3 years were required to identify tumor growth in 16% of the patients with a CTR of 0. Aggressive cancer occurred in 4% of patients with a CTR of 0 and in 70% of patients with a CTR > 25%. Aggressive cancer was observed in 46% of the patients whose CTR increased during the follow-up period and in 8% of the patients whose tumors increased in size.A higher CTR and an increase in CTR during follow-up were associated with invasive cancer. A follow-up period of 3 years is considered to be adequate for judging tumor growth in patients with a CTR > 0, whereas a longer follow-up period might be needed for patients with a CTR of 0.
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