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ABSTRACT: Histopathological classification of gastric aberrant pancreas has been done by Heinrich's criteria. However in some case it was difficult to detect incomplete Langerhans' island consisting of several endocrine cells or a single endocrine cell by usual H-E staining. To identify the distribution of incomplete Langerhans' islands and endocrine cells, we applied an enzyme antibody method utilizing PAP method for 7 cases of gastric aberrant pancreas. It became easy to identify the endocrine cells such as single cell and islet cells by using the PAP method. In all 3 cases of aberrant pancreas classified as Heinrich type II and one of 2 case of type III, Langerhans' islands or endocrine small cell groups and single cells were found. The PAP staining method was useful to determine the Heinrich's classification of the aberrant pancreas.
The Tohoku Journal of Experimental Medicine 10/1987; 153(1):43-8. · 1.28 Impact Factor