Volume 57, Issue 4 (9 1999)                   Tehran Univ Med J 1999, 57(4): 17-22 | Back to browse issues page

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Rahimifard N, Ahi M, Kahnamooei A. The diagnosis of Pneumocystis Carinii pneumonia by new laboratory methods. Tehran Univ Med J. 1999; 57 (4) :17-22
URL: http://tumj.tums.ac.ir/article-1-1437-en.html
Abstract:   (5866 Views)
The object of this study was to find a suitable staining method for P.carinii. This parasite is not easily stained and clinical signs are not specific for the diagnosis of P.carinii pneumonia and therefore optimal laboratory methods for observing the organism are extremely valuable. In all 17 new conventional and modified staining techniques were used on lung impression smears and tissue section of sprague Dawley Rat treated with cortisone. Of these methods modified methylene blue 1 & 2, modified cresy violet 1, 2, 3, 4 modified Gram, modified Giemsa 2 and modified Griedley techniques have not previously been reported. After comparing readability of the slides, ease of performances, rapidity, availability and sensitivity of these 17 techniques for the diagnosis of P.carinii pneumonia, modified toluidine blue 01 & 2, modified methylene blue 1 & 2 and modified cresyl violet 3, 4 are suggested as the methods of choice for the rapid diagnosis of P.carinii pneumonia.
Keywords: Staining methods
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