What is Lunotriquetral Fusion?

What is Lunotriquetral Fusion?

Lunotriquetral coalition is the most common type of carpal coalition and represents a congenital fusion of the lunate and triquetral bones of the carpus.

Where is Lunotriquetral ligament?

The lunotriquetral (LT) ligament is an intrinsic ligament of the wrist, more particular an interosseous carpal ligament which provide stability to the proximal carpal row. This ligament has a thin, horseshoe- shaped structure and can be divided into three parts: a dorsal, a proximal and a volar one.

What is a Lunotriquetral ligament tear?

A lunotriquetral tear is a tear of a ligament in the wrist, on the opposite side of the more common scapholunate tear. The eight bones that comprise the wrist are held together by tough bands of ligaments that connect the wrist bones to each other, and to the forearm bones and finger bones.

Where is lunate bone?

The lunate is one of eight carpal bones that form part of the wrist joint. It is situated in the center of the proximal row of carpal bones.

Why does my Triquetral bone hurt?

A Triquetral fracture is a break of the Triquetral bone (sometimes called triquetrum). It is one of the eight small carpal bones in the wrist and the second most commonly fractured carpal. A sudden, direct impact is the most common cause, resulting in wrist pain on the little finger side.

Which is the largest carpal bone?

The scaphoid is the largest of the carpal bones in the proximal row and it articulates with five bones – the radius proximally; the lunate medially and the trapezium, trapezoid and capitate distally.

Which carpal bone is most commonly dislocated?

Two of the carpal bones are commonly dislocated:

  • The capitate (which is the largest bone in the hand, located in the middle of the lower palm)
  • The lunate (which is located between the capitate and the end of the ulna)
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