WebJan 4, 2014 · Discussion. A distinctive feature of bacteria in the genus Mycobacterium is a high content of mycolic acid within the cell wall. The presence of mycolic acid confers to mycobacteria the property of retaining red carbol fuchsin, as in the Ziehl-Neelsen technique (the most commonly used AFS), despite a decolorization procedure with alcohol and … Web2 days ago · A modification is used (Wade-Fite technique) in which peanut oil is used with the deparaffinizing solvent (xylene) which minimizes the exposure of the bacterial cell wall to organic solvents and preserves their …

Utility of Acid-Fast Staining for Detection of Mycobacteria in ...

WebOct 11, 2024 · Gram stain of the vitreous biopsy showed long, thick gram-negative filamentous bacilli (Fig. 2c) giving an impression of actinomycete. However, in culture Klebsiella oxytoca was grown. The organism was sensitive to all antibiotics tested except ampicillin (Table 1). Over the next 1 week, the patient underwent a repeat intraocular … WebAlternate names: TB. All IHC stains will include a positive control tissue. The primary use for this antibody is in the detection of mycobacterial antigens in tissues and smears; this technique is not, however, specific for different species of mycobacteria. A major benefit of this immunohistochemical technique as opposed to the Fite stain is ... citb black managers card

Special Stains in Histology - University of Utah

WebThe sensitivity of fluorescent staining method (67.5%) was higher than modified Fite-Faraco stain (50%). Bacillary index was increased in 26 out of 40 cases by the fluorescent … WebAcid fast bacteria have a high content of mycolic acids in their cell walls. Acid fast bacteria will be red, while nonacid fast bacteria will stain blue/green with the counterstain with the Kinyoun stain. The steps include: Step 1. Apply carbol fuchsin to a fixed slide for 1 minute followed by rinsing. Step 2. WebNocardia species and Actinomyces species are 2 of the most commonly diagnosed filamentous bacteria in routine cytopathology practice. These genera share many overlapping cytomorphologic features, including their thin, beaded, branching, Gram-positive, GMS-positive filamentous structures that fragment at their peripheries into … citb blue card mock test