Picture and MRI of the left wrist show the ganglion cyst and ulnar nerve.
(A) Ganglion cyst at the wrist.
(B, C) (Coronal and axial views) STIR MRI of the wrist with contrast shows a ganglion cyst (arrow) compressing an enhancing ulnar nerve (arrowhead).
(D) T1 MRI of the wrist (axial view) shows the cyst in relation to the anatomic structures.
From: Karam C, Quinn CC, Paganoni S, et al. Teaching NeuroImages: Ganglion cyst causing pure sensory ulnar neuropathy at the wrist. Neurology 2012; 79:e76. DOI:
10.1212/WNL.0b013e318266200c. Copyright © 2012 American Academy of Neurology. Reproduced with permission from Wolters Kluwer Health. Unauthorized reproduction of this material is prohibited.
