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. 2011 May;80(5):327-33.
doi: 10.4174/jkss.2011.80.5.327. Epub 2011 May 6.

Routine chest computed tomography as a preoperative work-up for primary colorectal cancer: is there any benefit in short-term outcome?

Yong Kwon Cho  1 , Woo Yong Lee, Loo Ji Yi, Jun Ho Park, Hae-Ran Yun, Yong Beom Cho, Seong Hyeon Yun, Hee Cheol Kim, Ho-Kyung Chun
Affiliations

Routine chest computed tomography as a preoperative work-up for primary colorectal cancer: is there any benefit in short-term outcome?

Yong Kwon Cho et al. J Korean Surg Soc. 2011 May.

Abstract

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.

Keywords: Chest X-ray; Colorectal neoplasm; Computed tomography; Metastases.

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Conflict of interest statement

No potential conflict of interest relevant to this article was reported.

Figures

Fig. 1
Fig. 1
Classification of the radiologic findings. (A) Normal. (B) Benign. (C) Metastatic. (D) Indeterminate.
Fig. 2
Fig. 2
Characteristics of the chest computed tomography (CT) group. F/U, follow-up. a)Thymoma (1), thyroid ca (1). b)Size <5 mm, without calcification.
Fig. 3
Fig. 3
Characteristics of the chest radiography (CXR) group. AP-CT, abdominopelvic-computed tomography.
Fig. 4
Fig. 4
Treatment of the pulmonary metastases. VATS, video-assisted thoracoscopic surgery.
See this image and copyright information in PMC

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