12 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Rash • Human ... vasculitis • Henoch Schönlein ... Sarcoidosis • GPA ... differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... lesions (9.4%) • Maculopapular ... burning sensation or pain ... reticularis Differential ... • Henoch-Schönlein
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - ... Diagnostic Algorithm ... sulfa-drug - Skin ... pain - Immunocompromised ... Targetoid #Algorithm #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... lesions • Severe pain ... RMSF - Henoch Schonlein ... RA, Sjogren's, GPA ... cryoglobulins • Skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... present • Henoch Schonlein ... mucositis - Rash ... • ANCA (Dx: GPA
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... Scleroderma Thickened skin ... conditions #joint #pain ... #differential # ... diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... , mucositis • Rash ... MPO > PR3 60/ GPA ... present) Henoch Schonlein ... vesicles, pustules, maculopapular
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... • Maculopapular ... Skin involvement ... Resolution > 15 days Differentials ... withdrawal • Mild
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Approach to the differential ... lymphadenopathy, pleuritic pain ... nose (epistaxis), skin ... palpable purpura, maculopapular ... rash vesicular
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Diagnosis Framework ... Generalized itchy rash ... with rheumatic pain ... #Lesions #Differential