12 results
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
calcify &/or turn malignant ... " appearance) Malignant ... Constitutional Symptoms ... BoneLesion #XRay #MSK ... #Orthopedics #Causes
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Weakness, Incr CK • Bone ... Myopathy (Also caused ... Erythematosus #SLE #MSK ... Complications #pathophysiology ... #signs #symptoms
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 ... Systemic disease - Malignancy ... - Aneurysmal bone ... differential #diagnosis #msk ... #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework Bone ... /Joint Causes of ... tendinitis • Malignancy ... lower #extremity #msk ... #physicalexam
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... are not caused ... patients have no symptoms ... Self-limiting, chronic but stable ... anterior/posterior MSK
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... shows a small, stable ... polyangiitis) • Malignancy ... #differential #causes
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
Mucous membranes • Bone ... musculoskeletal symptoms ... Psychiatric symptoms ... nonimmune hemolysis MSK ... , or any other cause
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
Abnormal Osteoclasts cause ... formation MSK ... Skull expansion causes ... PagetsDisease #pathophysiology ... diagnosis #signs #symptoms
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
lies prone on the table ... buttock, if the hip raises ... location of the symptoms ... clinical #video #hip #physicalexam ... #msk #orthopedics
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
lies prone on the table ... buttock, if the hip raises ... location of the symptoms ... clinical #video #hip #physicalexam ... #msk #orthopedics