13 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Sarcoidosis • GPA ... • Psoriatic arthritis ... lesions • Discoid ... Sarcoidosis #dermatology ... #diagnosis #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA ... polyangiitis (GPA ... GPA causes disease ... #dermatology #rash ... #diagnosis #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential ... Diagnosis Framework ... - GPA Cutaneous ... #dermatology #rheumatology ... diagnosis
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Skin Lesion 57 ... Diagnosis? ... heaped up borders); differential ... Blastomycosis #SkinRash #dermatology ... #clinical #photo
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
lesions that result ... vasculitis - GPA ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

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

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... mucositis - Rash ... and branches • GCA ... • ANCA (Dx: GPA ... #diagnosis #rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
arteritis (GCA) ... Diagnosis = clinical ... required due to skip ... lesions. ... them, but urgent rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Elevated ESR and CRP GCA ... develop in pts with GCA ... , mucositis • Rash ... MPO > PR3 60/ GPA ... #Diagnosis #Rheumatology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
lesions + Rheumatic ... nonerosive inflammatory arthritis ... out other causes ... SAPHO #Syndrome #Rheumatology ... #Dermatology