Rapid papanicolaou staining method for cervico-vaginal...

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G01N 33/48 (2006.01) C12Q 1/42 (2006.01) G01N 1/30 (2006.01)

Patent

CA 2416433

A method for staining a Pap test slide specimen for conventional Pap test and, particularly a ThinPrep Pap test specimen, in which a number of multiple hydrating, staining and dehydrating step are performed in an equal number of 10 to 15 dippings at about equal dip times of about 1 second. The total method time is 100 to 150 seconds. The specimen pre-staining fixative solution is a 10% buffered formalin solution and a 95% lower alcohol in a 1:2 volumetric ratio. The method simplifies the staining process and laboratory technician error, while providing an improved stain contrast with a clean background in the resultant conventional and ThinPrep pap test stained specimens.

L'invention concerne une méthode servant à colorer un spécimen de lame test de Papanicolaou destinée à un test de Papanicolaou traditionnel et, notamment un test ThinPrep de Papanicolaou. Ladite méthode comprend un certain nombre d'étapes d'hydratation, de coloration et de déshydratation réalisées en 10 à 15 immersions d'une durée d'immersion d'environ 1 seconde. La durée totale de la méthode est comprise entre 100 et 150 secondes. La solution de fixation de pré-coloration des spécimens renferme une solution de formaline tamponnée à 10 % et un alcool de faible poids moléculaire à 95 % dans un rapport volumétrique 1:2. Cette méthode simplifie le processus de coloration et diminue le risque d'erreurs du technicien de laboratoire, tandis qu'elle engendre un meilleur contraste des colorations sur un fond clair dans les spécimens résultants colorés de test de Papanicolaou ThinPrep et les spécimens traditionnels.

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