6 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Henoch Schonlein Purpura ... Rash: - Purpura ... cryoglobulins • Skin ... #dermatology #physicalexam
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... Henoch Schonlein Purpura ... #Purpura #Henoch ... #dermatology #skin ... #rash #physicalexam
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
areas of the body Purpura ... Purpura due to vasculitis ... is usually palpable ... Wet purpura is the ... #Purpura #Bruise
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Small Vessel: Petechiae ... , Palpable purpura ... Vasculitis: - Ig A (HSP ... #differential #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Purpura ... purpura: Strong ... purpura • Pauci ... ) • Palpable purpura ... purpura (lower
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
PETECHIAE and PURPURA ... Purpura are larger ... and may be palpable ... nettle sting #Diagnosis ... Nomenclature #Atlas #Key