17 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential ... Diagnosis Framework ... Disease • Cogan syndrome ... #differential # ... diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Gonococcal arthritis ... Antiphospholipid-antibody syndrome ... • Psoriatic arthritis ... #rashes #differential ... #diagnosis #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
GI - Felty syndrome ... Scleroderma Thickened skin ... , Marfan syndrome ... #joint #pain #differential ... #diagnosis #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... test (this is a skin ... Behcet disease) Differential ... #diagnosis #management ... signs #symptoms #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Diagnosis Framework ... Effusions: - Hematologic ... Chondroblastoma - Benign ... #diagnosis #msk
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
PSS: Sjogren syndrome ... RA: rheumatoid arthritis ... LungDisease #CTILD #Diagnosis ... #Differential # ... Comparison #Table
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Fever, Arthralgia/arthritis ... , Skin rash ± odynophagia ... fraction < 20% Differential ... #management #treatment ... #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
reticularis Differential ... Diagnosis: Vasculitis ... • Goodpasture syndrome ... • Giant cell arteritis ... #rash #diagnosis
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
nonerosive inflammatory arthritis ... • A clinical diagnosis ... #Rheumatology # ... diagnosis #management ... #Dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... • Cogan Syndrome ... Diagnosis: Systemic ... #diagnosis #rheumatology