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Endoscopic Follow-up of Protruded Type of Borderline Atypical Epithelial Lesions T. Mishima 1 , S. Okuda 1 , H. Taniguchi 2 , S. Ishiguro 2 1Department of Gastroenterology, The Center for Adult Diseases 2Department of Pathology, The Center for Adult Diseases pp.397-405
Published Date 1982/4/25
DOI https://doi.org/10.11477/mf.1403108844
  • Abstract
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 Studying 97 lesions of atypical epithelial change by endoscopic follow-up with serial biopsy for more than one year (maximum 11 years and 7 months, average 3 years and 11 months), we analized and discussed their macroscopic and histological features in due course of time.

 As shown in Table 1, macroscopic growth of the lesion was noted in 11 cases but regressed lesion was found in two cases and the remaining 84 cases showed no change. It also showed histological progression of the atypism in two cases which was finally diagnosed as Group V by biopsy and all of them showed macroscopic growth as well.

 Furthermore, analysing the way of growth of enlarged 11 lesions, we could classify their pattern into the following five patterns (Fig. 2). Namely,  1) Partial growth of the lesion.

 2) Diffuse growth of the whole lesion.

 3) Nodular formation besides the atypical lesion.

 4) Growing lesion with central depression.

 5) Mixed pattern.

 The above growing pattern is completely different from one of hyperplastic polyp or early protruded gastric carcinoma, and it is specific for the atypical epithelial lesion.

 Among the above 11 lesions, 5 of them were operated on, 2 were polypectomized and the rest 4 have been followed endoscopically and only 2 of them showed progression of the atypism.

 Although macroscopic growth is not the absolute indicator for malignant change, it suggests that the growing lesion tends to become malignancy. Therefore, special attention should be paid for their follow-up.


Copyright © 1982, 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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