692 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
CAUSES OF NON-PALPABLE ... syndrome CAUSES OF PALPABLE ... Differential #Diagnosis #hematology ... #rheumatology # ... palpable #nonpalpable
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... purpura (16%) ... • Petechiae • Palpable ... overlying purpuric ... rash #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Crohn's disease Palpable ... purpura • Hypersensitivity ... Henoch Schönlein purpura ... differential #diagnosis #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vessel: Petechiae, Palpable ... purpura, Hemorrhagic ... #dermatology #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
capillaritis, palpable ... deposits skin) • Palpable ... (red macules, palpable ... Vasculitis) • Palpable ... Differential #Diagnosis #Rheumatology
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Henoch-Schönlein Purpura ... - Symmetric palpable ... purpura mainly ... HSP #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... Clinical triad of Palpable ... purpura, Arthralgia ... Henoch-Schönlein purpura ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis: • Purpura ... scleritis • Palpable ... Skin -> causing palpable ... purpura. ... differential #diagnosis #rheumatology
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
the Petechial / Purpuric ... Febrile/Toxic, Palpable ... Febrile/Toxic, Non-palpable ... Afebrile/Non-Toxic, Palpable ... Non-Toxic, Non-palpable
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... the etiology of palpable ... Palpable (raised ... the lesions are palpable ... patients with palpable