21 results
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
Ossification of ... remember the age of ossification ... the wrist joint ... -6-7 years for Triquetral ... #Wrist #Diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... common carpal bone ... "pooping duck sign ... #Wrist #Carpal
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Age of Ossification ... of Carpal Bones ... Hamate - 2 Months Triquetral ... of the carpal bones ... #wrist #radiology
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
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Terry thomas sign ... Triquetral fracture ... XRay #Radiology #Wrist
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... "Terry Thomas" sign ... between all carpal bones ... ("Terry Thomas sign ... box, pain with wrist
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Incr IGF1 • Bone ... chondrocytes -> Incr ossification ... activates lipolysis Signs
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... in subchondral bone ... and subcondral bone ... fingers, radial wrist ... Extra-articular signs
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
the underlying bone ... Bones - All the ... bones of the hand ... into the hand and wrist ... important to look for signs
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
posterior) and bone ... anterior sail sign ... fracture' • Ossification ... can't make A-OK sign