14 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

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

55 year old male on tuberculosis treatment
Palpable Purpura ... Henoch Schonlein Purpura ... (HSP, IgA Vasculitis ... #Purpura #Henoch ... #IgA #Vasculitis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Platelet ... OF PALPABLE PURPURA ... • Ig A vasculitis ... /HSP • Cryoglobulinemia
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Henoch Schonlein Purpura ... Rash: - Purpura ... Vasculitis (lupus ... #Petechiae #Rash
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
- Palpable Purpura ... Palpable purpura ... Palpable = vasculitis ... #Legs #Rash #clinical ... #dermatology #HSP
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... Small Vessel: Petechiae ... , Palpable purpura ... : - Ig A (HSP) ... with IgG/IgM deposits
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Purpura) - French ... 1) Suggestive clinical ... - Symmetric palpable ... purpura mainly ... #HSP #Diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... , Palpable purpura ... • Palpable purpura ... Vesicles overlying purpuric ... Henoch-Schönlein purpura
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... Henoch Scholein Purpura ... Pathogenesis and Clinical ... and ankles) #HSP ... #IgA #Vasculitis