ArticleQuantitative imaging in medicine and surgery2025
Added value of abdominal CT after treatment of lung cancer.
Article in Quantitative imaging in medicine and surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- The impact of chest computed tomography-defined emphysema on extrapulmonary metastases in patients with lung cancer.BMC medical imaging · 2026Article
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Lung cancer exhibits poor survival outcomes, particularly in cases where distant metastases are identified at the time of diagnosis or following treatment. In instances where there is a heightened risk of distant metastasis, customized postoperative abdominal computed tomography (CT) scans may be beneficial in the early identification of metastatic lung cancer, which holds promise for enhancing survival rates by facilitating prompt initiation of curative interventions. This study aimed to evaluate the effectiveness of additional abdominal CT scans in identifying extrapulmonary and abdominal metastases in lung cancer patients' post-treatment. Methods: A retrospective analysis was conducted on patients diagnosed with lung cancer between January 2015 and December 2017 who underwent at least one follow-up abdominal CT scan after treatment. Cumulative rates of extrapulmonary and isolated abdominal metastasis were analyzed using Kaplan-Meier method and compared with log-rank tests. Cox proportional hazard models were performed to identify risk factors for extrapulmonary and isolated abdominal metastases. The radiation dose for each abdominal CT scan was recorded in volume CT dose index (CTDI Results: A cohort of 396 patients (mean age, 59±8 years; 239 men) was incorporated in the study. The cumulative incidence rates at 3 years of extrapulmonary metastasis and isolated abdominal metastasis were 28.3% and 11.4%, respectively. Significant risk factors for extrapulmonary metastasis included histological subtype, T stage, lymph node metastasis, and size of the largest tumor. Statistical significance was observed in histological subtype, T stage, lymph node metastasis, Conclusions: The incorporation of abdominal CT scans into follow-up protocols may be a valuable strategy for the early detection and management of distal metastasis in lung cancer patients with risk factors.
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