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SA Journal of Radiology

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Ultrasound diagnosis of ulnar nerve dislocation and snapping triceps syndrome

VB Gupta, KB Patankar, F Paranjpe, J Patil

Abstract


Dislocation of the ulnar nerve with snapping triceps syndrome has been implicated as a cause of cubital tunnel syndrome. Patients with this condition may clinically present with a snapping sensation at the elbow upon flexion along with ulnar neuropathic symptoms. Though demonstration of this condition is possible by static MRI images, ultrasound can be used as a
more accessible and inexpensive modality for attaining diagnosis. This pictorial essay emphasises the technique, findings and role of dynamic ultrasound in the diagnosis of this entity.



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