9 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... • Extremes of age ... cryoglobulins • Skin ... Algorithm #Causes #dermatology ... #physicalexam
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... Pityriasis #rosea #clinical ... #dermatology #photo ... #PhysicalExam
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... ankles and palpable rash ... IgA #Vasculitis #clinical ... #photo #dermatology ... #skin #rash #physicalexam
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... Tip: To differentiate ... later confirmed by skin ... #Legs #Rash #clinical ... #photo #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... mucositis - Rash ... Takayasu: - Age ... temporal artery - Age ... episcleritis as well as inner
Pustular Skin Lesions - Differential Diagnosis Framework

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

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... Takayasu: • Age ... temporal artery • Age ... , mucositis • Rash
Acute Generalized Exanthematous Pustulosis (AGEP)

AGEP is largely a clinical diagnosis based on classical skin findings in
a clinical diagnosis ... Clinical Presentation ... Facial edema - Purpura ... typically spares ... Exanthematous #Pustulosis #Dermatology