13 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
), RA, crystal disease ... Lyme), reactive arthritis ... , crystalline disease ... #rheumatology # ... approach #workup #differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... infection • Lyme disease ... Sarcoidosis #dermatology ... #joint #pain #skin ... #rashes #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Rheumatologic Disease ... ) • Mycobacterium ... Joint #pain #Differential ... Diagnosis #MSK #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... differentiated: • Inflammatory ... and many other inflammatory ... #Pain #MSK #rheumatology ... approach #workup #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Fever/Chills/Joint ... bacilli (19%) - Mycobacterium ... Candidiasis Inflammatory ... - Inflammatory
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 ... Osteomyelitis / Septic Arthritis ... #differential # ... diagnosis #causes #hematology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
a rare chronic inflammatory ... often a nonerosive inflammatory ... arthritis • Acne ... osteoarticular and skin disease ... diagnosis #management #Dermatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... Differential diagnosis ... : • Inflammatory ... diffuse chondral disease ... diagnosis #msk #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... surfaces of the joints ... reticularis Differential ... • Giant cell arteritis ... Polyangiitis #GPA #dermatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
photosensitivity, inflammatory ... permanent alopecia Differential ... Malignancy (e.g. hematologic ... : • Joint pain ... arthropathy • 90% joints