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Introduction The VITEK 2 Yeast Identification (YST) system is an automated platform designed for the rapid identification of clinically significant yeasts and yeast-like organisms. It significantly reduces the turnaround time from several days (traditional methods) to approximately 15 to 18 hours. Name of the Card …
Introduction The Dalmau plate technique is a classic mycological method used to identify and differentiate yeast species, specifically Candida species, by observing their unique morphological features. The technique is a specialized culture method that uses a “starvation medium” to induce the formation of characteristic structures like pseudohyphae, blastoconidia, and chlamydospores. It remains …
Introduction KOH Mount of Pleural Fluid is a rapid, direct microscopic test used to detect fungal elements in suspected pleural infections. A 10–20% Potassium Hydroxide (KOH) solution clears cellular debris, fibrin, and protein content in pleural fluid while preserving chitin-rich fungal structures such as hyphae, …
Introduction Broad-range PCR assays for fungi are molecular diagnostic methods designed to detect a wide spectrum of fungal pathogens directly from clinical samples such as blood, BAL, sputum, CSF, tissue biopsies, and sterile body fluids.These assays target highly conserved fungal genomic regions, primarily the Internal …
Introduction Potassium Hydroxide (KOH) mount is a simple, rapid, and cost-effective microscopic technique used to detect fungal elements in various clinical specimens, including urine samples. When fungal infection of the urinary tract (funguria) is suspected—especially in immunocompromised, diabetic, or catheterized patients—KOH mount helps visualize yeast …
Introduction Sanger sequencing, developed by Frederick Sanger in 1977, is a chain-termination DNA sequencing method that remains the gold standard for molecular-level fungal identification.It is widely used to determine the exact nucleotide sequence of specific fungal genes (e.g., ITS, D1/D2, LSU, SSU, β-tubulin, calmodulin) to accurately identify fungal …
Introduction Aspergillus species, particularly Aspergillus fumigatus, are major causes of invasive aspergillosis (IA), especially in immunocompromised patients, such as those with hematological malignancies, transplant recipients, or those with prolonged neutropenia. Diagnosis of IA is often challenging because clinical symptoms and radiological findings are nonspecific. Aspergillus …
Introduction Unlike molds, yeasts are the most commonly recovered fungi in blood cultures. Candidemia is among the leading causes of bloodstream infections in immunocompromised and critically ill patients. Yeasts such as Candida, Cryptococcus, and Trichosporon are responsible for significant morbidity and mortality. Blood culture positivity …