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Table 3

Accuracy of RIGS (11 patients)

The operative field was explored with a hand-held gamma probe. A positive radioimmunoguided test was defined as greater than normal vicinal tissue counts plus twice the SD of normal tissue counts(i.e., the square root of the counts). The hand-held gamma probe counts were recorded and compared with the results of anatomopathological examination.

LocationSizea (cm)True-positiveTrue-negativeFalse-positiveFalse-negativeTrue/False
Lymph node ≥1   22 25 /0 
 >0.5 14 19 /1 
 ≤0.5 16 85 13 101 /21 
Othersb  32 35 /6 
Total (n = 208)  46 134 13 15  
LocationSizea (cm)True-positiveTrue-negativeFalse-positiveFalse-negativeTrue/False
Lymph node ≥1   22 25 /0 
 >0.5 14 19 /1 
 ≤0.5 16 85 13 101 /21 
Othersb  32 35 /6 
Total (n = 208)  46 134 13 15  
a

Largest dimension of the tumor.

b

Others are tissues free of lymph nodes.

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