31 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Fever/Chills/Joint ... pain/Night sweats ... Infection - Systemic ... diagnosis #msk #
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
) - MSK Radiology ... mass and NO prior signs ... Differential diagnosis ... mri #clinical #Radiology ... #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Like in this case ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Monoarticular • Gout ... Arthritis • Systemic ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
elbows/wrists and knees ... and Symptoms: ... Musculoskeletal: joint ... myositis overlap • Vascular ... Scleroderma #SSc #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
noninflammatory Signs ... constitutional symptoms ... weeks) Can Be Caused ... #pain #Differential ... #Diagnosis #MSK
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pain • Valgus ... position of knee ... pathophysiology #causes ... #symptoms #signs ... #diagnosis #msk
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
cardiovascular system ... patient is in the knee-to-chest ... Positive Carnett's sign ... accompanied by joint ... #differential #
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Pain History ... or nerve root Symptoms ... osteopetrosis, avascular ... #Pain #MSK #rheumatology ... approach #workup #differential
Iliotibial Band Friction Syndrome - MSK Radiology
Imaging Findings:
 • The iliotibial band (ITB) is thickened with
Friction Syndrome - MSK ... Radiology Imaging ... Case description ... pain with point ... Differential diagnosis