12 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... Nonpalpable purpura ... endocarditis, RMSF, and Henoch-Schönlein ... purpura. ... #Petechiae #Purpural
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential ... cryoglobulins, IgA ... BrighamChiefs #Purpura ... #nonpalpable #palpable
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... infection - RMSF - Henoch ... Schonlein Purpura ... Rash: - Purpura ... #Differential #
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Vasculitis (Henoch-Schönlein ... Purpura) - French ... - Symmetric palpable ... purpura mainly ... Rheumatology #Peds #Pediatrics
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Purpura Purpura ... Palpable purpura ... Tip: To differentiate ... purpura (IgA), ... #Legs #Rash #clinical
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... seen in Henoch ... Schonlein Purpura ... #Purpura #Henoch ... #Vasculitis #clinical
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... , Palpable purpura ... • Palpable purpura ... Vesicles overlying purpuric ... purpura • Mixed
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 - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Purpura ... purpura: Strong ... purpura • Pauci ... purpura, joint ... purpura (lower
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... triad of Palpable ... purpura, Arthralgia ... (Henoch-Schönlein ... purpura) • Cutaneous