Partial-thickness tear of the fifth extensor digitorum tendon

Case contributed by Bahman Rasuli
Diagnosis almost certain

Presentation

Left wrist and hand pain in the ulnar side dorsal aspect.

Patient Data

Age: 40 years
Gender: Female

Abnormal intrasubstance increased fluid signal and thickening is present along the course of the fifth extensor compartment ( extensor digit minimi ) starts from the level of wrist proximal row bones down to the level of fifth metacarpal bone midshaft ( in limited cuts of the wrist ) due to partial thickness tear. Associated fluid signal also is seen within the sheath of the fifth extensor compartment in the background of tenosynovitis.

Case Discussion

The patient referred to us with the history of left-wrist pain radiates to the little finger associated with the inability of the fifth finger extension from 6 months ago. After the initial assessment, hand MRI was done and revealed partial thickness tear of the fifth extensor digitorum tendon associated with tenosynovitis. 

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.