acid-fast

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Words related to acid-fast

not easily decolorized by acid solutions

References in periodicals archive ?
He was promptly started on prednisone, and a repeat biopsy showed granuloma formation and a bacteriologic index of 1+ acid-fast bacilli, consistent with enhanced cell-mediated immunity.
Few studies have tried to correlate the cytological finding with microbiological results for the presence of acid-fast bacilli in smears and culture for Mycobacteria.
In this case, systemic corticosteroids were prescribed for 8 weeks and gradually tapered because serum calcium levels had normalized and acid-fast bacilli smear of sputum tested positive.
Slit-skin smears showed multiple acid-fast bacilli with bacillary index (BI) of 5+.
A) On the sub-cutaneous fat, there were lymphocyte cell infiltrations followed by proliferation of capillary blood vessels, Hematoxylin Eosin staining, 400X, (B) Acid-fast bacilli were seen prominently inside the blood vessels (endothelium) and on the subcutaneous fat, Fite-Farraco staining, 400X.
In the meantime, skin biopsy reported positive for acid-fast bacilli following which immediately multidrug therapy for leprosy comprising of dapsone (100 mg), rifampicin (600 mg stat), and clofazimine (300 mg nightly) along with steroids (40 mg od) and thalidomide (300 mg nightly) was started.
Laboratory examination of the pus showed Gram-positive Bacilli, and a modified Ziehl-Neelsen stain showed partially acid-fast Bacilli without true branching.
Fine-needle aspiration revealed the presence of non-necrotizing epithelioid granulomas; negative for malignancy, acid-fast bacilli, or fungus.
The bacterial tissue cultures, blood cultures, acid-fast bacilli smears and cultures on tissue failed to demonstrate any pathogenic organisms.
The authors observed that broad abscesses with a weak-to-absent granulomatous response were more characteristic of biopsies from immunocompromised patients, and that acid-fast bacilli were more likely to be seen in these instances.
Tuberculosis is diagnosed on finding acid-fast bacilli (AFB) on direct microscopic examination of sputum smear but this is not a very sensitive technique2 and almost 50% cases with tuberculosis can present with negative results3,4.
Sputum cultures performed by infectious disease confirmed the presence of acid-fast bacilli.
The culture was also negative for acid-fast bacilli and therefore confirmed the FNAC results.
Recent studies further support NAA test use in the United States to avoid delays in diagnosis and treatment, especially for patients with suspected TB and sputum smears negative for acid-fast bacilli on microscopy.
Similarly Ziehl-Neelsen (ZN) staining of the histopathological tissue sections of MAP positive smear samples reflected the occurrence of acid-fast bacilli in 100% intestinal as well as lymph nodes samples.