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Nakano, S. et al.

Detection of lymph node metastasis using desmoglein 1 expression in superficial esophageal cancer in relation to the endoscopic mucosal resection.

Endoscopic mucosal resection (EMR) has recently been standardized for mucosal cancer of the esophagus. It may be hypothesized that EMR may be considered to be curative for superficial esophageal cancer (SEC), if the possibility of lymph node metastasis can be excluded beforehand. Ninety patients with p-T1 tumours who underwent esophagectomy were studied. Their primary lesions were stained with anti-Desmoglein 1 antigens using the ABC method. The p-T1 tumors were subdivided into three categories: carcinoma limited to the lamina propria mucosae (19 patients, SEC1), carcinoma invading the lamina muscularis mucosae or with invasion just into the submucosa (27 patients, SEC2), and carcinoma definitely invading the submucosa (44 patients, SEC3). Lymph node metastasis was not observed in the SEC1 patients but was observed in 19% of the SEC2 patients and 41% of the SEC3 patients. None of the SEC1 or SEC2 patients had lymph node metastasis when preserved Desmoglein 1 expression was obtained. The EMR appears to be appropriate therapy for SEC1. Our findings indicate that, for SEC2, preserved expression of Desmoglein 1 may be a helpful aid to exclude the possibility of lymph node metastases. Transthoracic esophagectomy with lymphadenectomy should be selected in the SEC3 patients.[1]

References

Detection of lymph node metastasis using desmoglein 1 expression in superficial esophageal cancer in relation to the endoscopic mucosal resection. Nakano, S., Baba, M., Natsugoe, S., Kijima, F., Nakashima, S., Shimada, M., Shirao, K., Kusano, C., Yoshinaka, H., Fukumoto, T., Aikou, T. Dis. Esophagus (1998) [Pubmed]

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