Tuberculin Skin Test (Mantoux test): Principle, Procedure, Results
Details about Tuberculin Skin Test.
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Mycobacteria
Mycobacterium tuberculosis, leprosy, atypical mycobacteria, and acid-fast organism diagnosis
Laboratory Diagnosis of Mycobacterium tuberculosis Infection
Laboratory Diagnosis of Mycobacterium tuberculosis Infection
Löwenstein-Jensen (LJ) Medium: Principle, Preparation, Uses, and Colony Characteristics
Löwenstein-Jensen (LJ) medium is the standard solid culture medium for Mycobacterium tuberculosis. Learn its principle, preparation by inspissation, colony characteristics of M. tu...
GeneXpert MTB/RIF: How to Read the Result and What to Do Next
Semi-quantitative grades, probe-level RIF calls, error codes, and the traps: why a "RIF resistance detected" result still needs confirmation and why "not detected" never rules out...
Auramine-Rhodamine Fluorochrome Staining: Principle, Procedure, and Results
Auramine-rhodamine is a WHO-recommended fluorochrome stain for detecting acid-fast bacilli — more sensitive than Ziehl-Neelsen and faster to screen. Learn the Truant method procedu...
Ziehl-Neelsen Staining: Principle, Procedure, Grading, and Interpretation
The hot ZN acid-fast staining method step by step, why mycolic acid holds carbol fuchsin against acid-alcohol, WHO smear grading from scanty to 3+, and what a negative smear does a...
Biochemical Tests to identify Mycobacteria, NTM
Biochemical Tests to identify Mycobacteria, NTM
Leprosy: Etiology, Pathogenesis, Lab Diagnosis
Leprosy: Etiology, Pathogenesis, Lab Diagnosis