24 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
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
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
set point • Body ... rapidly fatal • Causes ... ; Heat stroke; Malignant ... hyperthermia; Neuroleptic malignant ... comparison #diagnosis #management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Diagnosis and Management ... • Most common cause ... Lung Abscess Management ... polyangiitis) • Malignancy ... #differential #causes
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... disruption (may be bony ... fracture • ED Management ... XRay #Diagnosis #Management ... #Orthopedics #MSK
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
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Diagnosis and Management ... training, Seizures, Malignant ... hyperthermia, Neuroleptic malignant ... per day until stable ... #Summary #causes