Inflammatory Disorders of the Intestine that are Difficult to Diagnose Seiji Shimizu 1 , Hideo Tomioka 1 , Eiwa Ishida 2 , Koichi Uejima 1 , Wataru Fukuda 1 , Chihiro Yokomizo 1 , Takahiro Mori 1 1Division of Gastroenterology and Hepatology, Osaka General Hospital of West Japan Railway Company, Osaka, Japan 2Division of Pathology, Osaka General Hospital of West Japan Railway Company, Osaka, Japan Keyword: 炎症性腸疾患 , 診断困難 , 分類不能腸炎 pp.867-876
Published Date 2015/6/25
DOI https://doi.org/10.11477/mf.1403200341
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 The diagnoses of inflammatory disorders of the intestine majorly depends on the ability of diagnosticians. However, diagnostic failures may be attributed to the nature of the lesions. Cases that are difficult to differentiate include unestablished entities, early stage or atypical presentations of known disorders, infections for which pathogen detection is difficult, coexistence of disorders, and rare disorders that are difficult to conceive. Cases in which the diagnoses changes over time as well as when a certain disease is suspected but not confirmed are also considered to be difficult cases. Follow-up observation may lead to correct diagnosis;however, various patterns of diagnostic difficulty should be recognized. Based on the distribution and morphological features of lesions, such cases should be classified into known disorders as far as possible. However, if the lesion patterns are completely different from those of known categories, they should be categorized as new entities.

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