J.Jpn. Surg. Soc.. 98(9): 751-754, 1997

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Feature topic

STRATEGY OF LYMPH NODES DISSECTION FOR THE LOWER THORACIC ESOPHAGEAL CANCER WITHOUT METASTASIS TO THE UPPER-MEDIASTINAL LYMPH NODES

The incidence of metastasis to the lymph nodes in preoperative untreated patients with Ei, T2 or T3 esophageal cancer is 70.7％ (41 of 58 cases) in our institute. Especially, a high incidence of metastasis to the abdominal lymph nodes has been noted. In contrast, metastasis to the cervical lymph nodes is not common. The majority of recurrence appear as a distant metastasis to the liver, lung or bone through the hematogenic route. However, recurrence in the peritoneum through the lymphatogenic route is not uncommon. Therefore, current strategy of lymph nodes dissection for esophageal carcinoma would be inadequate for the complete inhibition of recurrence, so that chemotherapy remains to be needed. Since the diagnostic procedure with ultrasonographic endoscopy and computerized tomography is highly accurate for the assessment of metastasis to the uppermediastinal lymph nodes, operative procedure suitable for each case should be determined on the basis of preoperative examination.

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