Shared Flashcard Set

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Mycology Clinical Presentations
N/S
24
Medical
Graduate
04/05/2013

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Cards

Term
Malassezia furfur
Definition
hypo-/hyperpigmented patches; pityriasis versicolor
Term
Hortaea werneckii
Definition
irregular, pigmented macules on palms/soles; tinea nigra
Term
Epidermophyton floccosum
Definition
"ringworm" pattern; ring of inflammation with scaling (alopecia); tinea barbae
Term
Trichophyton tonsurans
Definition
"ringworm" pattern; ring of inflammation with scaling (alopecia); tinea capitis
Term
Microsporum canis
Definition
"ringworm" pattern; ring of inflammation with scaling (alopecia); tinea capitis
Term
Trichophyton mentagrophytes
Definition
"ringworm" pattern; ring of inflammation with scaling (alopecia); tinea unguium
Term
Trichophyton rubrum
Definition
deformed, discolored nails; tinea unguium
Term
Trychophyton verrucosum
Definition
"ringworm" pattern; ring of inflammation with scaling (alopecia); tinea barbae
Term
Sporothrix schenckii
Definition
chronic nodular/ulcerative lesions (along lymphatics); lymphocutaneous sporotrichosis
Term
Chromoblastomycosis
Definition
cauiflower-like skin infections; chornic, prurtic, resistant to therapy; risk of squamous cell carcinoma
Term
Eumycotic mycetoma
Definition
chronic cutaneous or subcutaenous granulomatous lesions; multiple abcesses with aggregates of septate hyphae; excessive destruction; infection visuaized in sinus drainage
Term
Basidiobolus ranarum
Definition
rubbery, movable mass; proximal limbs, children; subcutaneous zygomycosis
Term
Conidiobolus coronatus
Definition
rinofacial areas; chronic; subcutaneous zygomycosis
Term
Subcutaneous phaeohyphomycosis
Definition
firm, painless, slow-growing, inflammatory cyst OR pigmented, plaque-like lesions
Term
Histoplasma capsulatum
Definition
inhaled conidia--->yeast--->MQ ingestion--->survive and proliferate; 90% asymptomatic; mediastinal fibrosis; in children and immunocompromised: death by dissemination; histoplasmosis
Term
Blastomyces dermatitidis
Definition
inhaled conidia--->nonencapsulated yeast (thermal dimorphism)--->inflammatory response--->dissemination via vasculature; PRIMARY pulmonary blastomycosis: asymptomatic/flulike w/ cough; SECONDARY pulmonary: TB-like w/ mass lesion; blastomycosis
Term
Paracoccidioides brasiliensis
Definition
inhaled conidia--->large, narrow-necked yeast--->MQ ingestion--->25% pulmonary symptoms; paracoccidiomycosis
Term
Coccidioides immitis
Definition
inhaled arthroconidia (specific to coccidioides)--->spherules in alveoli; release endospores; 60% - asymptomatic; immunocompromised = 90% mortaity, meningitis, etc…; "great imitator" (wide variety of lesions); coccidiomycosis
Term
Candida albicans
Definition
mainly youth; in any part of the body; candidiasis
Term
Cryptococcus neoformans
Definition
pulmonary infection--->meningitis; meningoencephalitis; cryptococcosis
Term
Aspergillus fumigatus
Definition
allergic rxns, pulmonary infection (fungal ball in lung cavity) bind alveolar basement = adherence; asymptomatic usually; can disseminate in vasculature (angioinvasion); defenses: MQ-->conidia; Nphils-->hyphae; aspergillosis
Term
Zygomycosis/Mucormycosis
Definition
angioinvasive (thrombosis, infarction, and necrosis of infected organs)
Term
Pneumocystic jirovecii
Definition
dyspnea; cyanosis; tachypnea; nonproductive cough; fever; alveolar foamy exudate; noncaseating granulomatous inflammation; coagulative necrosis; PNEUMONIA; pneumocystosis
Term
Rhodotorula spp.
Definition
fungemia; occular; peritonitis
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