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KMID : 0616619970030010257
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Journal of Soonchunhyang Medical College
1997 Volume.3 No. 1 p.257 ~ p.264
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Correlation between mediastinal lymph node size and metastasis in lung cancer
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Abstract
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Computed tomography is being increasingly used for evaluation of mediastinal lymph node in patients with non-small cell luntg cancer. A lack of CT and pathologic correlationled the author to compare the result of CT scans of mediastinal lymph nodes with the result of postoperative pathologic findings.
The number of three group patients had been through surgical-pathologic determination of mediastinal node ststus. The first group was a control group containing 10 normal nodes in non cancer patient. The number of non metastatic mediastinal lymph node as second group was 15 and metastatic lymph node of third group was 14.
In the study of mediastinal lymph nodes size, maximal long axis diameter and maximal short axis diameter were higher in group 3 than in group 2(P<0.05), and group 3 than in group 1(P>0.05).
The sensitivity of preoperative CT scan was 71.4% and specificity was 53.3%, but surgical-pathologic correlation of mediastinal lymph nodes was not statistically significant(P>0.05).
In conclusion, the malignant mediastinal adenopathy was depond on size of lymph node. CT staging of the mediastinum in patients with non-small cell lung cancer was clinically not useful.
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