21 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Clues to Infectious ... Disease Diagnosis ... → Leptospirosis ... Schistosomiasis • Skin ... #differential #Diagnosis
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Skin Lesion 57 ... Denies any travel ... Diagnosis? ... Indiana University Infectious ... dermatology #clinical #photo
Disseminated Cutaneous Blastomycosis- A fungal culture of skin tissue was negative; however, a skin biopsy showed
fungal culture of skin ... negative; however, a skin ... staining confirmed a diagnosis ... pyogranulomatous fungal infection ... #clinical #photo
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
migrans skin Rash ... . diagnosis? ... may be seen in travelers ... self-limited Diagnosis ... dermatology #clinical #photo
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... rigors, diarrhea, nausea ... sick contacts, travel ... - BIDMC Infectious ... #photo
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... : infections (cutaneous ... gyratum repens • A skin ... induratum • A chronic skin ... #differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Differential Diagnosis ... histoplasmosis, blastomycosis ... #dermatology #rash
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Capnocytophaga Canimorsus Skin ... dogs & latter can cause ... gram-negative bacillus cause ... the key to the diagnosis ... #clinical #photo
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
conidia → Yeast → travel ... osteomyelitis or skin ... organism into the skin ... • Cutaneous infection ... Mouth, throat, skin
Waterborne Infections - Differential Diagnosis Framework

Infections that can be acquired from fresh water, brackish water, sea
- Differential Diagnosis ... Blooms (HABs) Skin ... filamentous fungi - Cutaneous ... - Rhizopus Leptospirosis ... - And, in rare cases