Table 1.

Diagnostic Criteria for Recurrent Carpal Tunnel Syndrome

Diagnosis of Recurrent Carpal Tunnel Syndrome
History	Symptomatic improvement after initial release
	Nocturnal symptoms
Physical Examination	Positive Tinel sign over the carpal tunnel
	Positive Phalen test
	No sensory changes over PCBm distribution
	Negative Gainor compression test
Treatment	Symptomatic relief with CSI into the carpal tunnel
EMG	Confirm no intrinsic nerve pathology
	Document lack of nerve injury
Rule out “Mimickers”	TOS
	Cervical pathology
	Supracondylar process syndrome
	Pronator syndrome
	Lacertus syndrome
	AIN syndrome

CSI, corticosteroid injection; PCBm, palmar cutaneous branch of the median nerve.