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KMID : 0371320110800050327
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Journal of the Korean Surgical Society
2011 Volume.80 No. 5 p.327 ~ p.333
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Routine chest computed tomography as a preoperative work-up for primary colorectal cancer: is there any benefit in short-term outcome?
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Cho Yong-Kwon
Lee Woo-Yong
Yi Loo-Ji
Park Jun-Ho
Yun Hae-Ran
Cho Yong-Beom
Yun Seong-Hyeon
Kim Hee-Cheol
Chun Ho-Kyung
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Abstract
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Purpose: The aim of this study was to assess the role of pre-operative chest computed tomography (CT) compared with abdominopelvic CT (AP-CT) and chest radiography (CXR) for detecting pulmonary metastasis in patients with primary colorectal cancer (CRC).
Methods: We retrospectively analyzed the data of 619 patients with primary CRC who simultaneously received a preoperative chest CT (chest CT group), AP-CT with hilar extension, and CXR (CXR group).
Results: In the chest CT group, there were 297 (48.0%) normal, 198 (32%) benign, 96 (15.5%) indeterminate, 26 (4.2%) metastasis, and two lung cancers. Eighteen patients (2.9%) in the CXR group who had no pulmonary metastasis were diagnosed with pulmonary metastasis on a chest CT. The sensitivity and accuracy were 83.9% and 99.0% in the chest CT group, respectively, and 29.0% and 91.5% in the CXR group, respectively (P < 0.0001 and P = 0.0003).
Conclusion: Chest CT appears to improve the accuracy of pre-operative staging in patients with CRC and is useful for the early detection of pulmonary metastasis as a baseline study for abnormal lung nodules.
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KEYWORD
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Colorectal neoplasm, Metastases, Computed tomography, Chest X-ray
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