24 results
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
and PIP joints, ... • XRAY: joint-space ... MCP and PIP joints ... Polyarticular gout ... #diagnosis #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... Therefore, the hand ... Differential diagnosis ... #Gouty #Arthritis ... #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Fever/Chills/Joint ... Brucellosis - Viruses: HIV ... - Aneurysmal bone ... #diagnosis #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... JointHip Dysplasia ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... Diagnosis #Algorithm #Orthopedics
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... common sites: hip ... XR, MRI to dx and ... Osteomyelitis / Septic Arthritis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
, gout or pseudogout ... - parvovirus, HIV ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Nodules • RA • Gout ... Tophi - Gout ... nodes (PIP joints ... #pain #differential ... #diagnosis #rheumatology
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
disruption (may be bony ... tender DIP joint ... Finger #Radiology #XRay ... Diagnosis #Management #Hand ... #Orthopedics #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... e.g., congenital hip ... the subchondral bone ... #Pain #MSK #rheumatology ... approach #workup #differential
Diagram of different types of bone tumors that can occur around the knee on XRay -
on XRay - Age > ... Myeloma - punched out ... sequestrum, cloaca, and ... #Differential #Radiology ... #XRay #msk #lesions