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Patterns of argyrophilic nucleolar organiser regions in pleural and peritoneal effusions
JCPSP-Journal of the College of Physicians and Surgeons Pakistan. 2006; 16 (6): 412-415
em Inglês | IMEMR | ID: emr-77454
ABSTRACT
To evaluate AgNOR size and dispersion as alternate methods to AgNOR counts in order to differentiate malignant from non-malignant effusions. Comparative study. Department of Pathology, Postgraduate Medical Institute, Lahore, from January 2003 to June 2004. A total of 240 samples of pleural and peritoneal effusions were centrifuged, deposits smeared on slides and stained with H and E and AgNOR stain. The diagnosis of malignancy or otherwise was made on H and E staining. AgNOR counts, variation in size and dispersion of AgNOR dots in smears were graded and compared in malignant and non-malignant effusions. Mean AgNOR counts of 11.47 +/- 3.60 and 11.04 +/- 3.89 in malignant pleural and peritoneal effusions, respectively, were significantly [p<0.0001] greater as compared with counts of 3.36 +/- 0.69 and 3.35 +/- 0.66 in non-malignant effusions. AgNOR size and dispersion were of higher grade in significantly greater proportion of malignant as compared with non-malignant effusions [p<0.0001]. Typing of AgNOR size and dispersion was found to be an easy and reproducible alternative to traditional AgNOR counts for differentiating malignant from non-malignant effusions. These parameters should be correlated with already established but expensive techniques of AgNOR area and size imaging by electron microscopy and flow cytometry, as an economical alternative
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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Derrame Pleural / Ascite / Líquido Ascítico / Biologia Celular Limite: Humanos Idioma: Inglês Revista: J. Coll. Physicians Surg. Pak. Ano de publicação: 2006

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Derrame Pleural / Ascite / Líquido Ascítico / Biologia Celular Limite: Humanos Idioma: Inglês Revista: J. Coll. Physicians Surg. Pak. Ano de publicação: 2006