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Cryptococcosis: Introduction, Pathogenesis, Laboratory Diagnosis, Treatment, Prevention and Control
Introduction of Cryptococcosis Cryptococcosis is an acute, subacute, or chronic pulmonary meningeal mycosis caused by Cryptococcus neoformans. It is a soil saprophyte and is particularly abundant in the feces of pigeons( pigeon's dropping). It does not appear to infect birds, probably because of their high body temperature and infection throughout the world. Classification of Cryptococcus Kingdom: Fung Phylum: Basidiomycota Class: Tremellomycetes Order: Tremellales Family: Tremellaceae Genus: Cryptococcus Species: C. neoformans Other species are- C. albidus ( nitrate...
India Ink Preparation when Cryptococcal meningitis is suspected
Introduction Cryptococcal meningitis occurs in immunodeficient patients and when meningitis is clinically suspected, for example, patients with HIV disease, or when yeast cells with lymphocyte are detected when performing C.S.F. cell count or examine Gram smear, examine India ink preparation for encapsulated yeasts. India ink is used as a negative stain in negative staining that uses ion negative staining method permits visualization of the usually transparent and unstainable capsules of various micro- microorganisms like Cryptococcus neoformans (most commonly), Klebsiella...
Klebsiella pneumoniae : Introduction, Pathogenicity, Laboratory Diagnosis and Treatment
Introduction of Klebsiella pneumoniae Klebsiella pneumoniae scientific classification is as follows Domain: Bacteria Phylum: Proteobacteria Class: Gammaproteobacteria Order: Enterobacterales Family: Enterobacteriaceae Genus: Klebsiella Species: pneumoniae Subspecies of Klebsiella pneumoniae are- Klebsiella pneumoniae subspecies ozaenae Klebsiella pneumoniae subspecies pneumoniae Klebsiella pneumoniae subspecies rhinoscleromatis Klebsiella is from the surname of German-Swiss microbiologist Edwin Klebs (1834–1913). Klebsiella is a genus of Gram-negative, oxidase-negative, fimbriated, non -motile, non-sporing rod-shaped bacteria with a prominent polysaccharide-based capsule and having size o,f 0.5...