14 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... • Enchondroma ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... #Bony #Tumors #
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... Simple/unicameral bone ... • Aneurysmal bone ... Ewing sarcoma • Enchondroma ... peds #pediatrics #msk
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
Bone Tumor Location ... degenerative subchondral bone ... #Bone #Tumor #Location ... Epiphysis #Radiology #MSK ... #Differential #Bony
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... /or Non-Active Bone ... Mineralization • Enchondroma ... #XRay #MSK #Differential ... #Orthopedics #Causes
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
different types of bone ... Simple/unicameral bone ... • Aneurysmal bone ... Ewing sarcoma • Enchondroma ... Radiology #XRay #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 ... - Giant cell tumor ... - Aneurysmal bone ... Knee #Effusions #causes ... differential #diagnosis #msk
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Cranial nerves - tumors ... Normal: Air > bone ... hearing loss: Bone ... cause unknown) ... Noise trauma ○ MS
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
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... stimulates our body ... delivery/sensing) vs tumor ... kidneys) - Some tumors ... about secondary causes
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Diagnosis and Management ... HIV, Lyme, GBS, tumor ... middle ear/temporal bone ... CNS inflammatory cause ... Palsy #Diagnosis #Management