10 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
vasculitis which causes ... ulceration of the skin ... Images #Clinical ... #Photo #Dermatology ... #SkinRash #Pyoderma
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... Differential diagnosis ... diffuse chondral disease ... #mri #clinical ... diagnosis #msk #rheumatology
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
heaped up borders); differential ... University Infectious Diseases ... Blastomycosis #SkinRash ... #dermatology #clinical ... #photo
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... reticularis Differential ... • Giant cell arteritis ... rash #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... oligoclonal bands • MRI ... tract, and often causes ... #Diagnosis #Rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
ulcerations • Skin ... auricular papules Clinical ... severity of the disease ... • Arthralgia/arthritis ... Dermatomyositis #rheumatology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
nonerosive inflammatory arthritis ... Rule out other causes ... - MRI: inflammation ... disease. ... SAPHO #Syndrome #Rheumatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Hypocomplementemia • Can cause ... salivary ducts Clinical ... vasculitis: 10%-16% Liver ... Arthralgia and Arthritis ... Sjogrens #Syndrome #Rheumatology
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
osteomyelitis, Rheumatoid arthritis ... Clinical suspicion ... the extent of disease ... Amyloidosis Clinical ... enlargement • MRI
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
gammopathy, and skin ... (RA, Temporal arteritis ... Sarcoidosis) • Liver ... disease: Cirrhosis ... Gap #ProteinGap #differential