42 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... infection • Lyme disease ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
ulceration of the skin ... frequently mistaken for cellulitis ... number of systemic diseases ... Images #Clinical #Photo ... #Dermatology #SkinRash
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Approach to Joint ... ), RA, crystal disease ... Inflammatory, crystalline disease ... #rheumatology # ... approach #workup #differential
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Legg-Calve-Perthes disease ... • Infection: Cellulitis ... - HIV - Lyme disease ... • Inflammation/cellulitis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... Enthesitis: • Site of pathology ... #Pain #MSK #rheumatology ... approach #workup #differential
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin ... - Differential ... Vasculitis: • Behcet Disease ... #dermatology #rheumatology ... #differential #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... surfaces of the joints ... reticularis Differential ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
- Differential ... Osgood-Schlatter Disease ... • Pathologic ... Epicondylitis - Skin ... Intraarticular #MSK #Differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... • Differentiate ... #differential # ... diagnosis #causes #hematology
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Multi-system autoimmune disease ... LcSSc) - distal skin ... interstitial lung disease ... Musculoskeletal: joint ... Scleroderma #SSc #rheumatology