Candidiasis

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Candidiasis

Candidiasis Irina Margaritescu, MD, DipRCPath Bruce R. Smoller, MD Key Facts Terminology Common superficial infection of skin and mucous membranes caused by yeasts of genus Candida Etiology/Pathogenesis C. albicans is…

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Zygomycosis

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Zygomycosis

Zygomycosis Brian J. Hall, MD John C. Hall, MD David J. DiCaudo, MD Key Facts Terminology Deep fungal infection caused by 2 orders (Mucorales, Entomophthorales) Microscopic Pathology Mucormycosis Rarely septate,…

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Blastomycosis

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Blastomycosis

Blastomycosis Brian J. Hall, MD David J. DiCaudo, MD Key Facts Etiology/Pathogenesis Exposure to thermally dimorphic fungus Blastomyces dermatitidis found naturally in soil Clinical Issues 2 classic cutaneous presentations Verrucous:…

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Histoplasmosis

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Histoplasmosis

Histoplasmosis Cornelia S. L. Mller, MD Bruce R. Smoller, MD Key Facts Terminology Systemic fungal infection caused by yeast Histoplasma capsulatum var. capsulatum Clinical Issues Widely distributed with endemic occurrence…

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Molluscum Contagiosum

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Molluscum Contagiosum

Molluscum Contagiosum Talley Whang, MD Chad Jessup, MD, MS Martin C. Mihm, Jr., MD Key Facts Etiology/Pathogenesis Caused by molluscum contagiosum viruses (poxvirus), transmitted by skin-to-skin contact Clinical Issues Primarily…

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Dermatophytosis

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Dermatophytosis

Dermatophytosis Christine J. Ko, MD Key Facts Terminology Superficial fungal infection secondary to dermatophytes Dermatophytes belong to 3 genera Trichophyton, Epidermophyton, Microsporum Clinical Issues Classic lesion Annular plaque of erythema…

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Herpesvirus

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Herpesvirus

Herpesvirus Wang L. Cheung, MD, PhD Key Facts Terminology Infection by herpes virus (HSV1, HSV2, and VZV) Clinical Issues Clear fluid-filled vesicles that heal well, usually on mucosa sites (lip,…

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Secondary Syphilis

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Secondary Syphilis

Secondary Syphilis Gonzalo De Toro, MD Key Facts Terminology SS occurs 4-8 weeks after primary chancre, usually as maculopapular, scaly patches or plaques characteristically involving palms and soles, extremities, trunk,…

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Impetigo

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Impetigo

Impetigo Irina Margaritescu, MD, DipRCPath Bruce R. Smoller, MD Key Facts Terminology Definition Acute, contagious superficial pyogenic infection of skin caused by staphylococci, streptococci, or both Clinical Issues Epidemiology Peak…

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