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.
Highlights
The preferred modality for imaging of the musculoskeletal system for suspected nerve entrapment is magnetic resonance imaging (MRI)
This essay emphasises the role of US in the diagnosis of ulnar nerve dislocation and snapping triceps syndrome and describes the preferred technique, imaging findings and dynamic monitoring by US
The essay highlights the need for awareness of this entity when dealing with medial elbow pain and/or ulnar neuropathy
Summary
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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