53 results
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 ... BoneLesion #XRay #MSK ... #Orthopedics #Causes
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... Tumours #MSK #Differential ... #Orthopedics #Causes
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Generally affects long bones ... • XR, MRI to ... • Differentiate ... BrighamChiefs #Bone
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Diagnosis Algorithm ... Tumours - See Bone ... Gastrointestinal Disease • Bone ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... Miscellaneous - Bone ... Hyperthyroid, Bony ... #causes #endocrinology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Diagnosis Algorithm ... fractured long bone ... • Dislocated Bone ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
excessive bone ... turnover -> Incr bone ... Incr (abnormal) bone ... formation MSK ... PagetsDisease #pathophysiology
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Diagnosis Algorithm ... Intra-Articular - Bone ... Ganglion Cyst - Bone ... Intraarticular #MSK ... #Orthopedics #Causes
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
Bisphosphonate suppresses bone ... damage weakens the bone ... Femur #Fractures #msk ... orthopedics #diagnosis #differential ... #causes #pathophysiology
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
of Malignancy - Pathophysiology ... resorption in the bone ... resorption in the bone ... #Differential # ... Diagnosis #algorithm