{"title":"[角棘瘤和鳞状细胞癌石蜡包埋样本DNA含量的流式细胞术研究]。","authors":"Y Hashimoto, S Matsuo, H Iizuka","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>DNA-flow cytometry was performed on paraffin-embedded tissues from 7 cases of keratoacanthoma (KA) and squamous cell carcinoma (SCC). Proliferation index of tumor cells (% greater than 4SD) was defined as the percentage of cells that exceeded the diploid peak (G0G1) plus 4 standard deviations (SD). Proliferation index (% greater than 4SD) was lower than 20% in six out of 7 cases of KA, but higher than 25% in six out of 7 cases of SCC. One case of SCC showed a DNA aneuploidy. These results indicate that DNA-flow cytometry analysis using paraffin-embedded tissues may be a useful tool in differential diagnosis between keratoacanthoma and squamous cell carcinoma.</p>","PeriodicalId":19167,"journal":{"name":"Nihon Hifuka Gakkai zasshi. The Japanese journal of dermatology","volume":"101 7","pages":"701-5"},"PeriodicalIF":0.0000,"publicationDate":"1991-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[A flow cytometric study of the DNA content from paraffin-embedded samples of keratoacanthoma and squamous cell carcinoma].\",\"authors\":\"Y Hashimoto, S Matsuo, H Iizuka\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>DNA-flow cytometry was performed on paraffin-embedded tissues from 7 cases of keratoacanthoma (KA) and squamous cell carcinoma (SCC). Proliferation index of tumor cells (% greater than 4SD) was defined as the percentage of cells that exceeded the diploid peak (G0G1) plus 4 standard deviations (SD). Proliferation index (% greater than 4SD) was lower than 20% in six out of 7 cases of KA, but higher than 25% in six out of 7 cases of SCC. One case of SCC showed a DNA aneuploidy. These results indicate that DNA-flow cytometry analysis using paraffin-embedded tissues may be a useful tool in differential diagnosis between keratoacanthoma and squamous cell carcinoma.</p>\",\"PeriodicalId\":19167,\"journal\":{\"name\":\"Nihon Hifuka Gakkai zasshi. The Japanese journal of dermatology\",\"volume\":\"101 7\",\"pages\":\"701-5\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nihon Hifuka Gakkai zasshi. The Japanese journal of dermatology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nihon Hifuka Gakkai zasshi. The Japanese journal of dermatology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
[A flow cytometric study of the DNA content from paraffin-embedded samples of keratoacanthoma and squamous cell carcinoma].
DNA-flow cytometry was performed on paraffin-embedded tissues from 7 cases of keratoacanthoma (KA) and squamous cell carcinoma (SCC). Proliferation index of tumor cells (% greater than 4SD) was defined as the percentage of cells that exceeded the diploid peak (G0G1) plus 4 standard deviations (SD). Proliferation index (% greater than 4SD) was lower than 20% in six out of 7 cases of KA, but higher than 25% in six out of 7 cases of SCC. One case of SCC showed a DNA aneuploidy. These results indicate that DNA-flow cytometry analysis using paraffin-embedded tissues may be a useful tool in differential diagnosis between keratoacanthoma and squamous cell carcinoma.
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