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ECCRINE POROMA
Author(s) -
Aoki Kiyoko,
Baba Shunichi,
Nohara Tadashi,
Suzuki Hiroyuki
Publication year - 1980
Publication title -
the journal of dermatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 65
eISSN - 1346-8138
pISSN - 0385-2407
DOI - 10.1111/j.1346-8138.1980.tb01967.x
Subject(s) - glycogen , pathology , pathological , fixation (population genetics) , immunohistochemistry , anatomy , chemistry , biology , medicine , biochemistry , gene
A case of eccrine poroma situated on the inner surface of the right heel of a Japanese patient was studied using histochemistry and electron microscopy. Histochemically, a strong positive reaction for Phosphorylase was observed in the lower part of the tumor. In contrast, glycogen granules were distributed in large numbers in the upper part. It is suggested that, although the tumor cells were morphologically similar, they differ from the point of view of glycogen metabolism. On electron microscopic examination, the characteristic features were exaggerated intercellular spaces. If this marked increase was a by‐product of the fixation process, it seems to depend upon the nature of the tumor cell itself. Clinical and pathological reports of eccrine poroma were reviewed to compare cases in Japan with those in other countries. The cases of eccrine poroma in both Japan and other countries showed similar characteristics. In particular, the cases studied resembled each other in age, sex and anatomical distribution, and also presented similar clinical features. Under light and electron microscopic examination, no particular differences could be detected.