9 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... , Palpable purpura ... • Palpable purpura ... vasculitis #Dermatologic ... #dermatology #rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Rash: - Purpura ... cryoglobulins • Skin ... #Petechiae #Rash ... #Causes #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... lesions are palpable ... #Dermatology #Rash ... #Petechiae #Purpura ... #Differential #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Sarcoidosis • GPA ... lesions • Discoid ... Sarcoidosis #dermatology ... #joint #pain #skin ... #rashes #differential
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
chronic, benign, cutaneous ... the presence of petechiae ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
PETECHIAE and PURPURA ... and may be palpable ... They are most commonly ... nettle sting #Diagnosis ... #Dermatology #Skin
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
tender pulses, bruits ... Nodosa: • PAN most commonly ... , mucositis • Rash ... ) • Palpable purpura ... , palpable purpura
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
lesions • Mononeuritis ... > PR3 60% • GPA ... vesicular eruption - Joints ... mucositis - Rash ... tender pulses, bruis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
causes: infections (cutaneous ... classic targetoid lesions ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology