16 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... on erythematous base ... Sarcoidosis • GPA ... lesions • Discoid lupus ... #rashes #differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Heberden's nodes (DIP joints ... Bouchard's nodes (PIP joints ... #pain #differential ... #diagnosis #rheumatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... • Systemic Lupus ... polyangiitis (GPA ... JointPain #MSK #Differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
), RA, crystal disease ... spondyloarthropathies, lupus ... #rheumatology # ... approach #workup ... #differential #
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Disorders - Evaluation ... Obstructive Lung Disease ... Neuromuscular Disease ... #Disorders #Evaluation ... #workup #Differential
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... #Pain #MSK #rheumatology ... #approach #workup ... #differential #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Malignancy (e.g. hematologic ... : • Joint pain ... arthropathy • 90% joints ... vein thrombosis Hematologic
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... • Immunologic Workup ... • Immunologic Workup ... : Chronic disease ... comparison #table #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... with joint-space ... Differential diagnosis ... diffuse chondral disease ... diagnosis #msk #rheumatology
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 ... • Giant cell arteritis ... #dermatology #rash