Usefulness of Chest CT in Colorectal Cancer Staging
Journal of the Korean Surgical Society
;
: 168-172, 2009.
Article
in Korean
| WPRIM
| ID: wpr-173193
ABSTRACT
PURPOSE:
The lung represents the second most metastatic site after the liver in colorectal cancer (CRC). Traditionally, pulmonary metastasis has been evaluated by means of a chest X-ray. But, recently, chest computed tomography (CT) is increasingly being performed to detect pulmonary metastasis in CRC. This study was performed to evaluate the usefulness of chest CT over chest X-ray for early detection of pulmonary metastasis in preoperative staging in CRC.METHODS:
We retrospectively reviewed 108 cases of CRC patients surgically treated with a curative intent at Chonbuk National University Hospital from April, 2007 to December, 2007. All evaluated by both chest X-ray and chest CT preoperatively.RESULTS:
Five among 108 patients had metastatic lesions of the lung. Four of these 5 patients (80%) had a positive chest CT. But one of these 5 patients (20%) had a positive chest X-ray. Chest CT provided a sensitivity of 80% and a positive predictive value of 80% for the detection of metastatic lesions of the lung. In contrast, chest X-ray provided a sensitivity of 20% and a positive predictive value of 50% for the detection of metastatic lesion of the lung. Nine of these 108 patients (8%) were diagnosed with solitary pulmonary nodule (SPN) and one of them was confirmed to have metastatic lesion of the lung.CONCLUSION:
There are isolated metastatic lung lesions without other organ involvement in CRC (4.6%). Chest CT is a more accurate imaging modality for detection of pulmonary metastasis in CRC. Also, we should carefully follow-up SPN detected by preoperative chest CT.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Thorax
/
Colorectal Neoplasms
/
Retrospective Studies
/
Follow-Up Studies
/
Solitary Pulmonary Nodule
/
Liver
/
Lung
/
Neoplasm Metastasis
Type of study:
Observational study
/
Prognostic study
/
Risk factors
/
Screening study
Limits:
Humans
Language:
Korean
Journal:
Journal of the Korean Surgical Society
Year:
2009
Type:
Article
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