11 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Rash • Human ... infection Malar rash ... • Rheumatic fever ... gangrenosum • IBD ... differential #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... lesions Abdominal pain
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Coronary arteries - Fever ... mucositis - Rash ... : • Fevers • ... pulses, bruis, or blood ... Large Vessel: Blood
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... instability - New-onset fever ... sulfa-drug - Skin ... pain - Immunocompromised ... Maculopapular #Scaling #Color
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Algorithm Pinpoint ... Red Flags: • Fever ... lesions • Severe pain ... cryoglobulins • Skin
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Inflammation and pain ... Leukocytoclastic vasculitis ... neutrophils in the blood
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... pulses, bruits, or blood ... tract: Abdominal pain ... , mucositis • Rash ... involvement, abdominal pain
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Lyme disease, Vasculitis ... arteritis • Bloody ... Scleroderma Thickened skin ... conditions #joint #pain ... #differential #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... 3rd Decade Skin ... Differential Diagnosis ... Arthritis: • Joint pain ... to: Arthritis, Fever
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Algorithm - Approach ... content [85].2>5 red blood ... central nervous system ... lymphadenopathy, pleuritic pain ... nose (epistaxis), skin