36 results
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
Carpal Bones ... of the carpal bones ... of the bones of ... -6-7 years for Triquetral ... #Carpal #Bones
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
of Carpal Bones ... Hamate - 2 Months Triquetral ... of the carpal bones ... #Age #Carpal #Bones ... #wrist #radiology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... common carpal bone ... ulna, pain with wrist ... #Wrist #Carpal ... 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 ... #Fractures #wrist ... frequency #radiology #msk
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
- MSK Radiology ... fragmentation and mild bone ... possible secondary ossification ... • MRI is more sensitive ... marrow edema and bony
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... Generally affects long bones ... • XR, MRI to ... BrighamChiefs #Bone
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Midcarpal Instability (MCI ... performed, the large bone ... subluxating the large bone ... dr.sergibarrera #MCI ... #msk #orthopedics
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Tumours - See Bone ... Scheme Paget's Disease ... • Bone Marrow ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
Paget’s Disease: ... excessive bone ... turnover -> Incr bone ... Incr (abnormal) bone ... formation MSK
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
g/dl LLN B - Bony ... more: • Clonal bone ... focal lesions on MRI ... Causes of false- ... amyloidosis Other causes