TFCC tear and lunotriquetral coalition

Case contributed by Ali Alsmair


Wrist pain after trauma

Patient Data

Age: 40 years
Gender: Male

Frontal X-ray of the left wrist shows complete fusion between the lunate and triquetrum.

No fractures.

Coronal T1 MRI sequence shows complete fusion between the lunate and triquetral bones, consistent with the lunotriquetral coalition.

Associated TFCC tear at its ulnar insertion is noted (PALMER IB) and distal radioulnar joint effusion are noted.

Chondromalacia of the medial aspect of the lunate and the pisiform is noted.

Case Discussion

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

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.