16 results
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Ulcerative Blastomycosis ... Skin Lesion 57 ... lesion lower back ... heaped up borders); differential ... Blastomycosis #SkinRash #dermatology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Ring-Enhancing Lesions ... , may also see skin ... #Brain #differential ... causes #radiology #neurology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Bullae/Blisters • Ulceration ... reticularis Differential ... vasculitis #Dermatologic ... Polyangiitis #GPA #dermatology
Severe Drug Rashes - Comparison - DRESS | SJS/TEN | AGEP | Erythroderma

DRESS 
 - Onset:
Drug Rashes - Comparison ... >90% of total skin ... #Drug #Rashes #Comparison ... #Erythroderma #Dermatology ... #Emergency #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
more): Genital ulceration ... response to local skin ... injury) • Neurologic ... Behcet disease) Differential ... Crohn disease, ulcerative
Symptoms Distinguishing Groups of Cutaneous Drug Reactions
IgE-mediated reactions:
 • Onset minutes to hours into treatment course
Raised off of the skin ... Pruritic • Each lesion ... lasts > 24h • Fine ... Drug #Reactions #dermatology ... #clinical #comparison
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Burrows between fingers ... #Lesions #Differential ... #Diagnosis #Dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
soles, sides of fingers ... pruritus (e.g., fingers ... often showing ulceration ... ; pruritis #dermatology ... #rash #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... reddish-purple lesions ... blood test • Serology ... cryoglobulins • Skin ... Algorithm #Causes #dermatology
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... lesions, or localized ... #Scleroderma #Differential ... #Diagnosis #comparison ... #table #dermatology