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Published byAbigail Hall Modified over 9 years ago
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Systemic mycosis Dimorphs Internal organs Cutaneous Primary Primary Secondary Secondary Saprophytes
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Systemic mycosis Tissue staining PAS, H&E, GMS( Gomory Methenamine Silver) PAS, H&E, GMS( Gomory Methenamine Silver) Blastomyces dermatitidis Yeast, thick wall, linier Yeast, thick wall, linier Histoplasma capsulatum Yeast, point, blood or bone marrow, wright Yeast, point, blood or bone marrow, wright Paracoccidioides brasiliensis Multiple budding Multiple budding Coccidioides immitis Sphrule Sphrule
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Systemic mycosis PCR SABHI Blood agar 12 week Slide culture Mask, gloves, hood
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Blastomycosis Blastomyces dermatitidis Canada, South America, Africa Inhalation of conidia Chronic disease in lung Disseminated Skin Bone Nose Skin Bone Nose Mouth Mouth
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Blastomycosis Culture SABHI SABHI Round or oval conidiaRound or oval conidia Unicellular & smoothUnicellular & smooth Shortly conidiophore Shortly conidiophore BHI, Blood agar BHI, Blood agar YeastYeast linier bud linier bud RoundRound BigBig
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Histoplasmosis Histoplasma capsulatum America Bird & bat Wind Inhalation Skin
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Histoplasmosis 90-95% without symptom self limitation Clinical manifestation Fever, cough, loose weight, sweat Fever, cough, loose weight, sweat Lung, spleen, kidney, liver, skin, eye, CNS Lung, spleen, kidney, liver, skin, eye, CNS Blood culture is positive Blood culture is positive Amphotricin-B
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Histoplasmosis Culture SABHI SABHI Hyphae, macro conidiaHyphae, macro conidia BHI, Blood agar BHI, Blood agar YeastYeast Point bud Point bud
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Coccidioidomycosis SW America desert Arthroconidia Tolerant to dry & salt Tolerant to dry & salt 60% without symptoms 40% mild Bone Lung blood Skin Brain Brain lymph nod lymph nod
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Coccidioidomycosis Amphotricin-B Culture SABHI SABHI Rectangular arthroconidiaRectangular arthroconidia Spherule Endospore Endospore Blastomyces - C.i Blastomyces - C.i Vaseline germtube + B.d Vaseline germtube + B.d
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Paracoccidioidomycosis South America, Brazil Saprophyte Water, soil, plant Inhalation Lung Eating Mouth & gum disseminated systemic Enlargement of lymph nod Enlargement of lymph nod
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paracoccidioidomycosis Co trimaxazol Culture SABHI SABHI ChlamydioconidiaChlamydioconidia BHI, Blood agar BHI, Blood agar Multiple buddingMultiple budding ship's wheel ship's wheel
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