Buzz Words Infectious Disease Signs Flashcards
Red grains (actinomycetoma)
Actinomadura pelletieri
Yellow to brown grains (actinomycetoma)
Streptomyces somaliensis
Pink or cream grains (actinomycetoma)
Actinomadura madurae
White grains (actinomycetoma)
Nocardia brasiliensis and asteroides)
Pectinate hyphae (broken comb)
Microsporum audouinii
Bamboo-like hyphae
Microsporum ferrugineum)
“Pig snout” conidia
Microsporum nanum
Bullous tinea pedis
Trichophyton mentagrophytes
Spiral hyphae
Trichophyton mentagrophytes
Teardrop-shaped microconidia (“birds on a wire”)
Trichophyton rubrum
Septate hyphae with reflexive branching
Trichophyton soudanense
Teardrop, balloon and matchstick forms of conidia
Trichophyton tonsurans
Septate hyphae with favic chandeliers
Trichophyton tonsurans
Partial thiamine and inositiol requirement
Trichophyton verrucosum
Khaki-colored colony with club-shaped macroconidia
Epidermophyton floccosum
Round cells attached to one another (“chain of coins,” “brass knuckles”)
Lobomycosis (Lacazia loboi)
Globe-shaped sclerotic cells (“Medlar bodies”, “copper pennies”)
Chromoblastomycosis (dematiaceous fungi)
Photochromogens (mycobacteria)
M. kansasii, M. marinum, M. simium
Broad-based budding with double contoured thick wall
Blastomycosis (Blastomyces dematitidis)
Large round organisms with multiple narrow-based buds radiating outward (mariner’s wheel)
Paracoccidioidomysosis (Paracoccidioides brasiliensis)
Dichotomous branching at 45-60deg angle
Aspergillus
Large ribbon-like hyphae with 90deg branching
Mucor
Giant sporangia
Rhinosporidiosis (Rhinosporidium seeberi)
Morula formation resembling soccer ball
Protothecosis (Prototheca)
Winterbottom’s sign
Posterior cervical LAD in African trypanosomiasis
Romana’s sign
Eyelid edema and conjunctivitis in American trypanosomiasis (Changas disease)
Mazzotti reaction
Severe reaction in onchocerciasis associated with diethyl-carbamazine (when microfilariae killed)