TABLE 1

Patient Data

Patient no.	Sex	Findings
				PET			CT			Neck sonography	¹³¹I/¹²³I	Pathology
				Local	Distant	Local	Distant			Neck sonography	¹³¹I/¹²³I	Pathology
1	M	Neg	Pos	NA	Indeterminate	Neg	ND	Pos	Indeterminate lung nodule shown to be positive on PET
2	M	Neg	Pos	NA	Pos	Neg	Neg	Pos	Much more extensive distant disease on PET
3a	F	Neg	Pos	NA	Pos	Neg	Neg	Pos	Confirmed disease
3b	F	Pos	Neg	NA	Neg	Pos	ND	ND (F/U pos)	Confirmed disease
4	M	Neg	Pos	NA	Pos	Pos	Neg	ND (F/U pos)	Confirmed disease
5	F	Neg	Pos	NA	Pos	Neg	ND	ND (F/U pos)	Confirmed disease
6	M	Neg	Pos	NA	Pos	Neg	ND	Pos	Confirmed disease
7	F	Neg	Neg	NA	Neg	Neg	Indeterminate	Neg	Confirmed disease
8	M	Neg	Pos	ND	ND	Neg	Neg	Pos	Showed unknown distant disease (pelvis)
9	F	Neg	Neg	Neg	Neg	Pos	ND	Pos	PET falsely read as negative
10	F	Pos	Pos	Neg	Neg	NA	ND	Pos	Showed unknown distant disease (mediastinum)
11	M	Pos	Pos	Pos	Neg	Neg	ND	Neg (pleural fluid)	Suspected metastatic disease from PET: treated
12a	M	Pos	Pos	Pos	Indeterminate	Pos	Neg	Pos	Indeterminate lung nodules shown to be positive on PET
12b	M	Pos	Neg	Neg	Indeterminate	Indeterminate	Neg	Pos	Active local disease seen on PET only

Neg = negative result; Pos = positive result; ND = not done; F/U pos = follow-up considered active disease to be present.