Mycology EC Flashcards
Histoplasmosis
Mississippi/Ohio river valley (South/midwest)
Histo Hides in macrophages
Blastomycosis
Mississippi river/great lakes
Blasto with Broad Based Buds
Inflammatory lung disease (bone/skin dissemination)
Coccidiodomycosis
Southwestern US
Pneumonia/Meningitis (disseminate to bone and skin)
Paracoccidiodomycosis
“Paracoccidio parasails with the CAPTIANS WHEEL all the way to LATIN AMERICA”
budding yeast with captain’s wheel formation
Tinea versicolor
Caused by Malassezia furfur
Degradation of lipids produces acids that damage melanocytes
Hypo/Hyperpigmentation
“Spaghetti and meatball” appearance
Microsporum, Trichophyton, Epidermophyton
Dermatophytes
Tinea pedis (foot) Tinea cruris (groin) Tinea corporis (ringworm on body) Tinea capitis (head) Tinea unguium (fingernails)
Candida albicans
Opportunistic
Oral/Esophageal thrush
Vulvovaginitis
Diaper rash
Endocarditis (IV drug users)
Aspergillus fumagatus
Invasive aspergillosis: AIDS and chronic granulomatous disease
Allergic bronchopulmonary aspergillosis: asthma or CF
Aspergillomas: TB infection
Aflatoxins can cause HCC
Cryptococcus neoformans
Pigeon droppings
cryptococcal meningitis
“Soap bubble” brain lesions
Mucor and Rhizopus
Ketoacidotic diabetic and leukemic patients
Proliferate in blood vessels, penetrate cribriform plate, and enter brain/eye
Headache, facial pain, black necrotic eschar on face
Pneumocystis jirovecii
Diffuse interstitial pneumonia in AIDS patients with a CD4<200
Sporothrix schenckii
“Rose gardener’s disease”
Lives on thorn, local pustule/ulcer in skin with nodules along draining lymphatics