16 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... reticularis Differential ... vasculitis (inflamed blood ... #dermatology #rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... RA, Sjogren's, GPA ... cryoglobulins • Skin ... #dermatology #physicalexam
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
subglottic stenosis) in GPA ... /2 vasculitis, ulcers ... Goodpasture's cause ... reveals increasing blood ... #diagnosis #management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... tract, and often causes ... mucositis - Rash ... Large Vessel: Blood ... • ANCA (Dx: GPA
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
content [85].2>5 red blood ... effusion), mouth (ulcers ... nose (epistaxis), skin ... Nephrocalcinosis causes ... nephrotic #syndrome #nephrology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... veins, venous ulcers ... Eczematous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Burrows between fingers ... Generalized itchy rash ... #Lesions #Differential ... #Diagnosis #Dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... pulses, bruits, or blood ... , mucositis • Rash ... tract, and often causes
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... Edema in 70% of cases ... Skin involvement ... Resolution > 15 days Differentials ... DRESS #Syndrome #dermatology
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
which allow red blood ... - This iron causes ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology