487 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... • Periosteal Chondroma ... Cell Tumour • Enchondroma ... • Aneurysmal 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 ... docskalski #Knee #Bone
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
Bone Tumor Location ... Chondrosarcoma, Enchondroma ... sarcoma, SBC, ABC, Enchondroma ... #Bone #Tumor #Location ... #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 ... • Unicameral Bone ... • Aneurysmal Bone ... Mineralization • Enchondroma
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 ... ) • Enostosis/bone
Representative X-ray appearance of a primary benign bone tumor - Aneurysmal Bone Cyst 
 • Soft
primary benign bone ... tumor - Aneurysmal Bone ... tissue swelling (best ... Narrowing • Bony ... Best visualized
Conductive vs Sensorineural Hearing Loss on Physical Exam
Weber Test:
 • Normal: Sound is equal bilaterally
 •
Physical Exam Weber Test ... good ear Rinne Test ... lasts longer than bone ... • Conductive: Bone ... #HearingLoss #PhysicalExam
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
tissue swelling (best ... Narrowing • Bony ... the articular bone ... Peri-articular osteopenia (bones ... Best visualized
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
speaking - Sleep Test ... - Ice Test - ... Rest Test - Anticholinesterase ... Test - Quiver ... LikelihoodRatios #PhysicalExam
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
meniscal integrity) tests ... #Sports #Knee #PhysicalExam ... McMurray #Drawer #Test