A MRI (1,5 T) of the right forearm was ordered: axial T1 TSE, PD fat sat, T1 TSE fat sat after iv gadolinium; coronal T2 STIR, T1 TSE fat sat after iv gadolinium.
Axial images best lend themselves to depicting forearm anatomy (and pathology). T1 TSE revealed no abnormalities. PD (figs. 1-3) and T1 TSE fat sat after iv gadolinium (figs. 4-6) revealed significant hyperintense signal changes in the flexor pollicis longus (FPL), flexor digitorum profundus (FDP) and pronator quadratus (PQ) muscles; the FDP showed a relative sparing of its ulnar aspect.
- MRI (PD):