8 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
(GPA) Skin involvement ... GPA causes disease ... Maculopapular rash ... #GPA #dermatology ... #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... - GPA - EGPA ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Petechiae, Palpable purpura ... - Microscopic polyangiitis ... - EGPA - GPA ... #skin #dermatology ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• Microscopic Polyangiitis ... tract, and often causes ... mucositis - Rash ... • ANCA (Dx: GPA ... differential #diagnosis #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Infection - Vasculitis ... RA, Sjogren's, GPA ... cryoglobulins • Skin ... #dermatology #physicalexam
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, mucositis • Rash ... : Microscopic polyangiitis ... Granulomatosis with Polyangiitis ... tract, and often causes ... Differential #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Skin ulcers ... - GPA, EGPA, microscopic ... polyangiitis ... classification #rheumatology