case_images: PMC3579532_01
case_images: T1-weighted MRI scan of Guyon's canal. The arrow indicates the fatty mass reported as lying atop Guyon's canal.
case_images: rjs04301.jpg
case_images: PMC3579532_01_rjs04301.jpg
case_images: RJS043F1
case_images: T1-weighted and STIR (short T1 inversion recovery) MRI scan of the wrist, reconstructed in axial and coronal planes was performed (Fig. 1). This showed no obvious deformity in Guyon's canal and no abnormality along the ulnar nerve.
case_images: Operative pictures of Guyon's canal: lipoma in forceps, yellow sloop around nerve, red sloop around the ulnar artery.
case_images: rjs04302.jpg
case_images: PMC3579532_01_rjs04302.jpg
case_images: RJS043F2
case_images: A multi-lobulated piece of fatty tissue was found within the canal measuring 3 cm x 2 cm x 1.5 cm (Fig. 2).