17 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... reddish-purple lesions ... Hypotension • Mucosal lesions ... #Differential # ... Algorithm #Causes #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
the joints • Oral ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis ... #rheumatology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Metastasis #Liver #Lesions ... Contrast #CT #MRI #POCUS ... #radiology #differential ... table #appearance #hepatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
arthritis, Skin rash ... fraction < 20% Differential ... CK, normal biopsy ... Disease #diagnosis #management ... #treatment #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Manifestations: • Oral ... Behcet disease) Differential ... ulcerations • Oral ... Syndrome #diagnosis #management ... signs #symptoms #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
sedimentation rate + Normal ... Skin Disease Classification ... papulosquamous lesions ... permanent alopecia Differential ... flares • CRP normal
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... Resolution > 15 days Differentials ... Oral/IV Glucocorticoids ... DRESS #Syndrome #dermatology ... #diagnosis #management
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... form of acquired dermal ... classic targetoid lesions ... comparison #table #differential ... #diagnosis #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... ischemic skin lesions ... mucositis - Rash ... - Recurrent oral ... #classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... strength & enzymes normal ... , mucositis • Rash ... #Diagnosis #Rheumatology