21 results
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
Urticaria (hives): Skin ... response to cold, food ... exposures, stings, infections ... with systemic symptoms ... #Photo #Dermatology
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Diagnosis? ... & ulcerative (heaped ... Indiana University Infectious ... #dermatology #clinical ... #photo
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Sporotrichiosis Infection ... wax and wane; diagnosis ... trauma leads to skin ... painless, no systemic signs ... #clinical #photo
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
(Composed of T-helper ... inflammatory cells) Clinical ... neuropathies • Skin ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
• Delayed-type skin ... Scarlet #fever #diagnosis ... #clinical #photo ... #signs #symptoms
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... Moccasin tinea pedis skin ... Indiana University Infectious ... Variety #type #clinical ... #photo #foot #dermatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... vasculitis vs infection ... required due to skip ... #Symptoms #Diagnosis ... #Management
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dog or cat bite. symptoms ... abrupt onset of symptoms ... the key to the diagnosis ... #dermatology #clinical ... #photo
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... The signs and symptoms ... treatment, the infection ... Syphilis #Rash #Diagnosis ... #Clinical #Photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... and branches • GCA ... to exclude are infections ... Presentation - Systemic Symptoms ... purpura: strong sign