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Biomedical subjects

Y Kozawa

Publications and source records attributed to Y Kozawa.

51 records · Page 3Linked to original sources
PubMed1987

Ameloblastic fibrosarcoma of the right mandible: immunohistochemical and electron microscopical investigations on one case, and a review of the literature.

A case of a 7-year-old girl with ameloblastic fibrosarcoma of the right mandible is described. Immunohistochemical techniques (detection of intermediate filaments, tissue polypeptide antigen, lactoferrin, lysozyme, Factor VIII-related protein, S-100 protein, carcinoembryonic antigen, alpha-foeto-protein, "lectin-receptors") and electron microscopy were applied. The epithelial part of the tumor, which was positive for keratin, showed distinct tonofilaments in electron microscopy. In contrast, the mesenchymal part was vimentin positive. The cells displayed the ultrastructural features of fibroblasts. The observations are compared with those reported in the literature.

Child↗
PubMed1983

Pemphigus vulgaris involving the mouth and esophagus. Report of a case and review of the literature.

A case of pemphigus vulgaris involving the mouth and esophagus is presented. Cases of pemphigus vulgaris involving the esophagus in the literature are reviewed; the initial symptom in all cases is in the oral cavity. Although the mortality rate for pemphigus vulgaris involving the esophagus is relatively high, the present case was managed successfully by active therapy with steroids.

Adult↗
PubMed1981

Adenomatoid odontogenic tumor: light and electron microscopic study.

A case of adenomatoid odontogenic tumor involving the right upper cuspid region of a 17-year-old girl is described. In light microscopy, liminal structures and rosette-like structures were found in the parenchyma of the tumor. Electron microscopic observations revealed that the rosette-like structures were less organized than the luminal structures; the luminal structures are supposed to be associated with secretory activities including the formation of calcified material which show the apatite pattern by electron diffraction. The origin and differentiation of cells constituting the tumor are discussed.

Adolescent↗