| Autor: |
I, Suzuka, K, Shiota, M, Yamane, M, Nishihara, J, Nakagawa, N, Shimizu |
| Rok vydání: |
1999 |
| Předmět: |
|
| Zdroj: |
Hepato-gastroenterology. 45(24) |
| ISSN: |
0172-6390 |
| Popis: |
We studied the accuracy rate of intra-operative lymph node assessment compared with pathological examination to determine whether surgeons could modify the extent of lymphadenectomy during the operation.Intra-operative and pathological lymph node assessments were compared in 360 patients with carcinoma of the colon.A total of 6,431 lymph nodes were examined, mean number per patient was 17.9. The overall accuracy rate of intra-operative diagnosis was 56.1%, sensitivity was 93.2%, and specificity was 41.7%. The accuracy rate of the diagnosis of N1 and N2 was 43.7% and that of N3 and N4 was 78.3% (p=0.001). There was no significant difference in the diagnosis rates in the colonic region. These results indicated that diagnosis inor = N3 was more accurate than that inor = N2. There were 5 false-negative cases. All of the false-negative lymph nodes were located adjacent to the colonic wall.Intra-operative diagnosis of the positivity ofor = N2 lymph nodes was too poor to decide the extent of lymph node dissection ofD2. It is adequate to dissect according to at least the D2 criteria in all cases. If the surgeon observes N3 involvement, he should add the D3 dissection. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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