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Lymph Node Metastasis in Surgical Specimens of m3 and sm Esophageal Carcinoma from a Pathological Viewpoint Masahiro Fujita 1,2 , Toshihiro Satoh 1 , Masao Hosokawa 3 , Hiroaki Takahashi 4 1Keiyuhkai Institute of Clinical Pathology, Sapporo, Japan 2Nayoro City University, Nayoro, Japan 3Department of Surgery, Keiyuhkai Sapporo Hospital, Sapporo, Japan 4Department of Internal Medicine, Keiyuhkai Sapporo Hospital, Sapporo, Japan Keyword: m3・sm癌 , リンパ節転移 , リンパ管侵襲 , D2-40 , matrilysin pp.1407-1415
Published Date 2006/9/25
DOI https://doi.org/10.11477/mf.1403100655
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 379 examples of surgical excision of m3 cancer and submucosal cancer were examined in clinical pathology. It seemed that the examination of methods of knowing the risk of lymph node metastasis is important because the danger of lymph node metastasis was seen in m3 cancer and submucosal cancer, and the results of the surgical excision method were better from the viewpoint of the 5 year-survival rate than those of the EMR-only method. Lymphatic invasion, depth of invasion of tumor, the tumor size in the part expanding to the submucosa and the expression of matrilysin were related and became an independent factor that had a big effect on the 5 year-survival rate.

 The presence of the expression of matrilysin on esophageal submucosal cancer is an independent risk factor of lymph node metastasis. The investigation of the presence of the expression of matrilysin, in addition to risk factors like lymphatic invasion, indicated the possibility of efficient foreseeing of lymph node metastasis in submucosal cancer.

 The appearance of matrilysin in mucosal cancer was not regarded as part of the prognosis judgment, but was thought to play a role as a marker of advanced cancer.

 In this examination, the result was obtained that D2-40 immuno-stain is effective for improving the accuracy of the judgment of lymphatic invasion, and it seems that using molecular biology techniques such as the expression of matrilysin etc. is better when combined with other means for predicting lymph node metastasis.


Copyright © 2006, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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