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  • Title: [Central inter-laboratory quality control for microscopic diagnosis of tuberculosis in Madagascar in 2000].
    Author: Ramarokoto H, Rasolonavalona T, Rakotoarisaonina A, Rasolofo Razanamparany V, Cauchoix B, Chanteau S, Ralamboson M, Rakotondramarina D.
    Journal: Arch Inst Pasteur Madagascar; 2002; 68(1-2):48-50. PubMed ID: 12643092.
    Abstract:
    Since June 1997, a quarterly quality control of sputum smear exam for the tubercle diagnosis, depending on double reading of slides, was implemented between both central laboratories of the Mycobacteria National Reference Centre in Madagascar (mycobactoria laboratories of Institut Pasteur Madagascar [IPM] and Institut Hygiène Sociale [IHS]--Health Ministry). In 2000, four controls were done, in the course of which 240 slides were coloured by auramine, coming both from IPM and IHS, and another 80 slides from IHS were coloured by Ziehl-Neelsen. All the results were in agreement for the samples stained with auramine, while two false negatives were found for the samples stained with Ziehl-Neelsen. The maintenance of this quality control between the two laboratories is necessary to insure the reliability of their results and the controls that they make for the peripheral laboratories.
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