Infectious Disease

Question 1

Fungal infection: low-grade fever and violaceous skin lesions with scrapings showing yeast

Answer 1

Blastomyces dermatiditis - primarily affects areas in the Midwest and Upper Midwest regions of the United States, extending into the southern Mississippi Valley

Question 2

Fungal infection: predominantly pulmonary infections, with skin manifestationsinclude erythema nodosum and erythema multiforme

Answer 2

Coccidiomycoses - “valley fever”

Question 3

Fungal infection: most commonly causes invasive pulmonary infection in immunocompromised patients. Cutaneous manifestations are unusual, and culture/fungal stains show mold rather than the yeast

Answer 3

Aspergillosis

Question 4

Fungal infection: causes an asymptomatic or mild pulmonary infection.Immunocompromised patients with disseminated disease may develop papular, crusting skin lesions, but disseminated infection is rare in immunocompetent patients.

Answer 4

Histoplasmosis - may also present with pancytopenia due to bone marrow involvements