Table 4.

Diagnostic Criteria for Recurrent Cubital Tunnel Syndrome

Diagnosis of Recurrent Cubital Tunnel Syndrome
History	Period of symptomatic improvement after initial release
Physical Examination	Positive Tinel sign over the cubital tunnel
	Symptomatically unstable ulnar nerve
	Negative Spurling maneuver
Imaging	CT or MRI if concern for the hook of hamate fracture
	MRI if suspicious for ganglion or ulnar artery abnormalities within Guyon canal
EMG	Same or worse findings at six months after surgery compared to preoperative findings
Rule out “Mimickers”	TOS
	Cervical pathology
	Brachial plexopathy
	Ulnar tunnel syndrome