Causes pityriasis versicolor (hypopigmented macules on torso, abdomen, arms)

"spaghetti and meatballs" appearance on KOH sta

rose thorn --> ulcerative lesion --> lymphocutaneous spread

dimorphic fungus

Dimorphic fungus

found in Ohio/Mississippi River Valleys

causes: pumonary disease --> disseminated spread to other organs --> ulcerative lesions

Dimorphic fungus

found in SW US, Mexico, Cen/S. America

inhalation of spores --> flu-like symptoms --> pulmonary disease --> dissemination to skin, CNS, bones

Dimorphic fungus

found in Ohio/Mississippi River valleys

spores grow in soil w/high nitrogen content, usually asymptomatic, but can disseminate in immunocompromised --> mediastinal fibrosis

Dimorphic Fungus

Found in Central/South America

simialar to Blastomycosis

"Pilot-wheel" yeast

Dimorphic fungus

found in SE Asia

opportunistic infection of mononuclear phagocytes in AIDS patients which looks like molluscum contagiosum

MONOMORPHIC fungus

inhalation of pigeon feces

opportunistic infection --> meningitis

"Headlight sign" with India Ink stain

Dimorphic fungus

ubiquitous mold in soil

dichotomous, septae hyphae branch at 45 degrees

"air crescent" in radiographs

can be angio-invasive

Aspergillus fumigatus, flavus, niger

have mycelia only

Monomorphic (yeast only)

forms germ tube at 37C

normal commensal, can overgrow --> disease

Yeast/protozoan

common opportunistic infeciton of AIDS pts

causes" interstitial pulmonary infiltrates of plasma cells w/pneumonia, dry cough

rare, non-septate hyphae, sporangiospores

infects immunocompromised patients, range of clinical syndromes

Dermatophytes/Tinea

pedis-athlete's foot

corpis-body

cruris- groin

capitis-scalp

unguium-nail

Superficial mycosis

causes dark macules w/melanin on palms/soles