14 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... infection Malar rash ... Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... surfaces of the joints ... Maculopapular rash ... • Goodpasture syndrome ... #dermatology #rash
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... - GPA - EGPA ... Associated - SLE
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... mucositis - Rash ... • Cogan Syndrome ... • ANCA (Dx: GPA ... , and SLE) • Urinalysis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Secondary: CTD: SLE ... Petechiae, Palpable purpura ... - GPA Cutaneous ... : • Behcet Disease ... • Cogan syndrome
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Vasculitis (e.g. ... Scleroderma Thickened skin ... Heberden's nodes (DIP joints ... Bouchard's nodes (PIP joints
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, such as SLE, atherosclerotic ... vesicular eruption • Joints ... , mucositis • Rash ... , joint & gut involvement ... • Cogan syndrome
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Demyelinating syndromes ... pain (20%) Renal disease
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Skin ulcers ... • Autoimmune diseases ... : - 10% SLE or ... reticularis & skin ... - GPA, EGPA, microscopic
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Differential Diagnosis Algorithm ... arthritis - (Reiter’s syndrome ... arthritis - with the skin ... Erythematosus (SLE ... like “butterfly rash