The Present Status and Problems in Diagnosis of Colitic Cancer/Dysplasia, with a Review of European and American Literature Ichiro Hirata 1 1Department of Gastroenterology, Fujita Health University, Toyoake, Japan Keyword: colitic cancer , dysplasia , 潰瘍性大腸炎 , サーベイランス , 欧米のガイドライン pp.1273-1280
Published Date 2008/8/25
DOI https://doi.org/10.11477/mf.1403101441
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 The European and American literature about the present status and problems of diagnosis and the treatment of colitic cancer/dysplasia were reviewed.

 The problems that arise are as follows,(1)The surveillance program is different in each guideline,(2)The biopsy number that the guideline proposes in surveillance is not observed,(3)Direct evidence to prove efficacy of each surveillance is not shown,(4)Significant disagreement is thought to exist between diagnosticians in the diagnosis of LGD(low-grade dysplasia)and IND(indefinite dysplasia),(5)A common view is not obtained about the handling of flat LGD,(6)There is divergence in the interpretation of a definition of DALM(dysplasia-associated lesion or mass),(7)There are cases where the differentiation of DALM,ALM(adenoma-like mass)/ALD(adenoma-like dysplasia), sporadic adenoma, and inflammatory polyp is difficult, and an appropriate differentiation method has not been found.

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