SAS 6 Flashcards
Acquired through inhalation of spores
Aspergillosis
Common laboratory contaminant
Aspergillosis
Most common form Pulmonary Aspergillosis
Fungus ball (or aspergilloma)
Fungus taken u residence in an old lug cavity which are usually the result of old TB lesions
Fungus ball (or aspergilloma)
Organisms remain in these cavities. It grows huge ass of mycellium -> FUNGUS BALL
Aspergillosis
Etiologic agent of Aspergillosis
Aspergillus fumigatus
Aspergilus flavus
Aspergilllus niger
Etiologic agent of Aspergillosis
most often seen in clinical laboratory
Aspergillus fumigatus
Etiologic agent of Aspergillosis
causes oncomycosis
Aspergilus flavus
Etiologic agent of Aspergillosis
major cause of otomycosis
Aspergilllus niger
is a type of fungal infection due to any type of Candida
Candidiasis
Clinical Formation of Candidiasis
a disease of the oral mucous membrane
Thrush
Clinical Formation of Candidiasis
Formulation of white creamy patches ( pure
cultures of fungus)
Thrush
Clinical Formation of Candidiasis
simulates ringworm infection
Nail infection (PARONYCHIA)
Clinical Formation of Candidiasis
Common among diabetics, prenant womn and those on birth control pills
Mycotic Volvuvaginitis
Spider colonies on EMB
C. albicans
A systematic disease caused by a number of closely isolated fungi belonging to class phycomycetes - 3 genera
Zygomysis/ Phycomysis/ Mucormysis
Zygomysis/ Phycomysis/ Mucormysis 3 Genera
- Rhizopus
- Mucor
- Absidia
No rhizoids or stolons
Mucor spp
Unbranched sporangiophores with rhizoids where stolon arises
Rhizopus spp
Rhizoids originates between sporangiophores
Absidia spp
Acute/ chronic pulmonary systemic or meningeal mycosis
Cryptococcosis
Transmitted through inhalation of spores from bird droppings (excreta of pigeons)
Cryptococcosis
Etiologic agent of Cryptococcosis
Cryptococcus neoformans
Filobasidiella neoformans
Cells usually spherical, vary in size may
havemorethanone “pinched-off” budpresent
on parent cell
Cryptococcosis
resembles Klebsiella
Cryptococcus neoformans
Single unbranched tube-like phialides, ” conidia in clusters” at the tip of phialides
Acremonium spp.
“brush-like conidiophores”
Pencillium sp.
“Sickle or Boat – shaped macroconidia”
Fusarium sp.
Conidiophore “Penicillium – like” structure
Scopulariosis
Chains of large brown conidia resembling
“drumstick”.
Alternaria sp.
Single celled conidia resembling “shield cells”
Cladosporium sp.
Large multiseptate elongated conidia “ zigzag” appearance
Dreschlera (Helminthosporium)
