What is scapholunate distance?
Scapholunate Distance. WRIST. DEFINITION: using the AP view of the wrist, identify distance between scaphoid and lunate. The distance is between the proximal ulnar corner of the scaphoid and the proximal radial corner of the lunate.
What does scapholunate mean?
The scapholunate is an interosseous carpal ligament that provides stability to the proximal carpal row. It consists of dorsal, proximal and palmar segments that bridge the scaphoid and lunate.
What is a normal scapholunate angle?
The normal scapholunate angle ranges from 30 to 60° [7]. Subluxation of the scaphoid onto the dorsal rim of the radius can also sometimes be demonstrated on the lateral radiograph (Fig.
Where is scapholunate interval?
The scapholunate interval was measured as the distance between the scaphoid and lunate at the mid-joint space between the scaphoid and lunate.
Where is the scapholunate?
When a ligament is injured, this is referred to as a sprain. A very common ligament injured in a sprained wrist is the scapholunate ligament. This ligament is in the middle of the wrist between the scaphoid and lunate bones (Figure 1). It is an important structure for painless and full wrist motion.
Why does my scaphoid hurt?
A scaphoid fracture causes tenderness directly over the bone and the pain may increase when you move your thumb or grip things. Your initial pain may decrease over days or weeks and because there is no significant bruising or swelling they are often mistaken for a sprained wrist.
What is PRC surgery?
Brief Summary: In cases of severe arthritis of the wrist, surgical removal of the scaphoid, lunate and triquetrum bones or proximal row carpectomy (PRC) is a well-known procedure. This procedure converts the wrist in a simple hinged joint but allows us to preserve a certain range of motion in the wrist.
