25 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Diagnosis Algorithm ... arthritis - (Reiter’s syndrome ... arthritis - with the skin ... Crohn’s Disease, Ulcerative ... like “butterfly rash
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Skin Lesion 57 ... painless, progressive skin ... Diagnosis? ... Blastomycosis- 2 types of skin ... #photo
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Demyelinating syndromes ... signs #symptoms #diagnosis
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... Pityriasis #rosea #clinical ... #dermatology #photo
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... wax and wane; diagnosis ... trauma leads to skin ... , painless, no systemic ... #photo #hand
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... vasculitis Skin ... also occur Skin ... 16%) • Painful skin ... and gangrene Skin
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Systemic disease ... response to local skin ... retinal damage) • Skin ... test (this is a skin ... Behcet disease) Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... glomerular ischemia - Skin ... Diagnosis: Systemic ... Small Vessels: Skin
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Still's Disease Clinical ... Arthralgia/arthritis, Skin ... rash ± odynophagia ... fraction < 20% Differential ... solid cancers • Systemic
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
Eosinophilia and Systemic ... characterized by extensive skin ... rash in association ... Skin involvement ... Resolution > 15 days Differentials