30 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... The triquetrum ... fractured carpal bone ... common carpal bone ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone ... frequency #radiology #msk
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... Thyroid - Lung - Renal ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... Tumours #MSK #Differential
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Differential Diagnosis Algorithm ... Tumours - See Bone ... Gastrointestinal Disease • Bone ... Fractures #Pathologic #MSK ... Differential #Diagnosis #Algorithm
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 ... BoneLesion #XRay #MSK
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal Bones ... Hamate - 2 Months Triquetral ... of the carpal bones ... #Age #Carpal #Bones ... mnemonic #diagnosis #msk
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Tumors: Lung, SCC, renal ... Miscellaneous - Bone ... Hyperthyroid, Bony ... Differential #Diagnosis #Algorithm
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
cause excessive bone ... turnover -> Incr bone ... Incr (abnormal) bone ... formation MSK ... • Deformed bones
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
D - Increased renal ... resorption in the bone ... resorption in the bone ... Cell of lung, Renal ... Differential #Diagnosis #algorithm
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Differential Diagnosis Algorithm ... stimulation (placenta/Bone ... - Highest • Bone ... Pregnancy - Renal ... disease - Bone