The ins and outs of skin protection techniques.
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Biomedical subjects
M Matsui
Publications and source records attributed to M Matsui.
Non-Hodgkin's lymphomas involving Waldeyer's ring: a proposal for clinical categorization.
The clinicopathologic data of 97 patients with non-Hodgkin's lymphomas involving Waldeyer's ring were retrospectively reviewed. Age, sex, the site of involvement within Waldeyer's ring, and Rappaport's histological classification played little role in the prognosis. Although the Ann Arbor staging classification was the only factor that correlated with the patients' prognoses (stage I vs stage II, p less than 0.01; stage II vs stage III + IV, p less than 0.02), it is not considered the ideal classification. The survival rates of stage II patients, who comprised about 60% of the entire group, was quite different due to their cervical node status. That is, 33 patients with bulky cervical nodes (4 cm in diameter or more) or bilateral cervical nodes had significantly poorer survival rates than 24 patients with small unilateral cervical nodes (p less than 0.001). The survival curve of the former group was similar to that of the stage III and IV patients, whereas the survival curve of the latter group was similar to that of the stage I patients. Lymphography, which was performed for 72 patients in this series, is not considered essential. From these results, we recommend the categorization of patients with malignant lymphomas involving Waldeyer's ring into two major groups according to cervical and inguinal node status in order to assess treatment methods. That is, patients with bulky or bilateral cervical lymph nodes or those with inguinal lymphadenopathy and patients without any lymphadenopathy or those with minimal unilateral cervical nodes alone.
Adult↗
Lung cancer cell line producing cytokeratin 19 fragment and sialyl Lewis X-i antigen.
A new human lung large cell carcinoma cell line producing cytokeratin 19 fragment(CYFRA) and sialyl Lewis X-i antigen(SLX), designated TKB-13, was established from a patent in our laboratory. The cell line grew in a monolayer and had a polygonal epitheloid appearance in phase-contrast microscopy. The doubling time of TKB-13 cells was approximately 32 hours in Dulbecco's minimal essential medium with 5% fetal bovine serum. TKB-13 cells could be transplanted to nude mice and the histological characteristics were the same as those of resected tissue from the primary site. Positive reactions for CYFRA and for SLX were seen within the cytoplasm of TKB-13 cells by immunocytochemical staining. Both CYFRA and SLX were detected in the culture supernatant. Our results suggested that TKB-13 cell line is available for experimental studies on the biological behavior of non-small cell lung cancer.
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