Table 2.

Physical findings

Patient	Preoperative clinical exam
1	Negative Tinel’s sign at Guyon’s canal; pain in palm; no paresthesias or numbness in the ulnar nerve distribution; no intrinsic muscle weakness
	Negative Tinel’s sign at Guyon’s canal; pain over hook of hamate; no paresthesias or numbness in ulnar nerve distribution; no intrinsic muscle weakness
2	Positive Tinel’s sign at Guyon’s canal; point tenderness over hook of hamate; no paresthesias or numbness in ulnar nerve distribution; no intrinsic muscle weakness
3	Negative Tinel’s sign at Guyon’s canal; point tenderness over hook of hamate; no paresthesias or numbness in ulnar nerve distribution; no intrinsic muscle weakness
4	Positive Tinel’s sign at Guyon’s canal; point tenderness over hook of hamate; no paresthesias or numbness in ulnar nerve distribution; no intrinsic muscle weakness
5	Positive Tinel’s sign at Guyon’s canal; point tenderness over hook of hamate; paresthesias of ring and small fingers but no numbness; no intrinsic muscle weakness
6	Negative Tinel’s sign at Guyon’s canal; pain over hook of hamate; no paresthesias or numbness in ulnar nerve distribution; no intrinsic muscle weakness
7	Negative Tinel’s sign at Guyon’s canal; pain over hook of hamate; no paresthesias or numbness in ulnar nerve distribution; no intrinsic muscle weakness