12 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Infection - Vasculitis ... for hepatitis B and ... cryoglobulins • Skin ... #Differential #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Findings: • Petechiae ... , Palpable purpura ... sensation or pain: • Petechiae ... reticularis Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... skin lesions ... ear disease Differential ... : strong sign of ... differential #diagnosis
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
• Delayed-type skin ... quality - groin and ... Pastia lines = petechial ... fever #diagnosis #clinical ... #photo #signs #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... skin lesions • ... Differential Diagnosis ... : Strong sign of ... #Differential #
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
manifestations Petechiae ... discrete areas of skin ... Purpura due to vasculitis ... The skin is flat ... VWF:RCo/VWF:Ag (differentiate
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
integrity of: • Skin ... poor nutrition Clinical ... Muscle cramping Skin ... : • Petechia • ... • Petechiae, purpura
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
or Vasculitis? ... Tip: To differentiate ... later confirmed by skin ... #Legs #Rash #clinical ... #photo #dermatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... lesions, palpable purpura ... Behcet syndrome (Clinical ... Behcet disease) Differential ... diagnosis #management #signs
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... (HSP, IgA Vasculitis ... Schonlein #HSP #IgA #Vasculitis ... #clinical #photo ... #dermatology #skin