53 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Aggressive, Non-Malignant ... Cyst Malignant ... Leiomyosarcoma • Malignant ... Tumours #MSK #Differential ... #Orthopedics #Causes
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Osteoblastoma (may be malignant ... calcify &/or turn malignant ... " appearance) Malignant ... BoneLesion #XRay #MSK ... #Orthopedics #Causes
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
abrasion • Foreign body ... EricsMedicalLectures/ #Red #Eye #redeye ... Differential #Diagnosis #table ... #causes #ophthalmology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Tumours - See Bone ... Gastrointestinal Disease • Bone ... Endocrinopathy • Malignancy ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... fragmentation and mild bone ... marrow edema and bony ... #mri #clinical ... Radiology #diagnosis #msk
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 ... dislocation Malignant ... - Aneurysmal bone ... differential #diagnosis #msk
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Rhabdomyolysis, Critical ... poly-, inclusion body ... , Cortisol ↑↓, Malignancy ... Differential #Diagnosis #causes
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
Pathogenesis and clinical ... fractures in elderly Causes ... damage weakens the bone ... Femur #Fractures #msk ... #differential #causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework Bone ... /Joint Causes of ... tendinitis • Malignancy ... Hematoma Venous Causes ... lower #extremity #msk
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess - Clinical ... shows a small, stable ... polyangiitis) • Malignancy ... #differential #causes