Idiopathic femoral mononeuropathy

Case contributed by Roberto Schubert
Diagnosis certain


Unexplained right quadriceps weakness.

Patient Data

Age: 60 years
Gender: Male

Hyperintense T2 signal along the pelvic course of the right femoral nerve from the lumbar plexus down to the lacuna vasorum, especially within the iliopsoas muscle.

Case Discussion

Extensive (non focal, non nodular) high T2 signal along a peripheral nerve most probably results from inflammatory neuritis 1.

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.