THE BULLETIN OF TOKYO MEDICAL AND DENTAL UNIVERSITY

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The enzyme activity for α-naphthyl acetate esterase, naphthol-AS-acetate esterase, naphthol-AS-D-chloroacetate esterase, acid phosphatase, La(+)-tartrate-resistant acid phosphatase, adenosine triphosphatase, and 5’-nucleotidase was examined on the neoplastic cells of giant follicular lymphoblastoma, the so-called reticulum cell sarcoma and Sézary syndrome. The neoplastic cells of giant follicular lymphoblastoma showed distinct activity for adenosine triphosphatase and 5'-nucleotidase, and those of the so-called reticulum cell sarcoma had no characteristic nature of the reticulum cells or histiocytes enzyme histochemically. These findings suggest that these neoplastic cells may be derived from the B-cell system. In Sézary syndrome, acid phosphatase activity was localized in a small paranuclear area in Sézary cells, which were considered to have a T-cell nature. It is thought that these enzyme histochemical methods are easy and useful in differentiating the B- or T-cell nature and the classification of non-Hodgkin’s lymphomas.

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Thirty-eight species belonging to 15 genera of the family Sarcophagidae were found so far in Korea. The description, locality in Korea, distribution and bionomics of these species are given in this paper. The fifth sternite, forceps and genitalia of these male flies are illustrated. The key to the species of sarcophagid flies in Korea are also presented.

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