15 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... Bacterial or viral infection ... Cardiomyopathies - Viral infection ... #differential # ... diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... parvovirus B19 infection ... parvovirus B19 infection ... Sarcoidosis • GPA ... #rashes #differential
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
Necrotizing Fasciitis ... failure) with severe pain ... at the site of infection ... Images #Clinical #Photo ... #Dermatology #SkinRash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
via: • Necrotizing ... burning sensation or pain ... reticularis Differential ... • Giant cell arteritis ... Infections include
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... related vasculitis, infections ... - GPA Cutaneous ... Single Organ Vasculitis ... differential #diagnosis
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Framework Non-Infectious ... Polyarteritis Nodosa (PAN ... rare), Idiopathic Infectious ... #Diagnosis #rheumatology
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Necrotizing Fasciitis ... of illness and pain ... Images #Clinical #Photo ... #Dermatology #Leg ... #SkinRash #Necrotizing
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
vasculitis (10%) • Necrotizing ... vasculitis (5%): PAN ... > GPA, EGPA • ... vasculitis (3%) • Infections ... pathology #lesions #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... MPO > PR3 - Necrotizing ... > PR3 60% • GPA ... PR3-ANCA) - Necrotizing ... to exclude are infections
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... tract: Abdominal pain ... have PR3-ANCA) • Necrotizing ... #Diagnosis #Rheumatology