29 results
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... by Frequency • Scaphoid ... - 50-80% • Triquetral ... Pal @drdevrad #Carpal ... Bone #Fractures #wrist
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... Second most common carpal ... ulna, pain with wrist ... #Wrist #Carpal ... #Orthopedics #Sports
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal ... Hamate - 2 Months Triquetral ... Lunate - 4 Years Scaphoid ... ossification of the carpal ... #Bones #wrist #
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Tenderness to anatomic ... box, pain with wrist ... #TerryThomas #Wrist ... #Scaphoid #Carpal ... #Orthopedics #Sports
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... fracture (scaphoid ... trapezium, capitate, triquetrum ... #Carpal #Radiology ... #Orthopedics #Sports
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
Scaphoid Fractures ... tenderness to the anatomic ... Tenderness to anatomic ... #Fracture #Wrist ... #Orthopedics #Sports
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
Ossification of Carpal ... ossification of the carpal ... -6-7 years for Triquetral ... , Lunate, Scaphoid ... #Bones #Wrist #
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
thumb injury to ulnar ... Rolando fracture Scaphoid ... Terry thomas sign Triquetral ... XRay #Radiology #Wrist
Wrist Anatomy - Anatomy of the Carpal Bones
There are several mnemonics that people use to remember
Wrist Anatomy - ... Anatomy of the Carpal ... Pal @drdevrad #Wrist ... #Anatomy #Carpal ... Bones #labeled #clinical
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... The proximal carpal ... extended, and when ulnar ... ECRB) The distal carpal ... #orthopedics #clinical