TABLE 1.

Summary of Interobserver Prediction of Sentinel Margin Location and Corresponding Margin Distance Versus Actual Closest Margin Location and Distance at Pathology

Predicted sentinel margin location (pathology cassette)Distance at predicted sentinel margin (mm)
Specimen #Tumor sitepTResectionSurfaceSurgeonFluPathologySurgeonFluPathology
1Lateral tongueT3Partial glossectomyDeepC11C11C11000
MucosalC4C11C111022
2Lateral tongueT3Partial glossectomyDeepC8C14C14211
3Lateral tongueT4aPartial glossectomyDeepA1A1A1333
4Lateral tongueT4aHemi glossectomyDeepFSD 1FSD 1FSD 1222
MucosalD6D6D6111111
5Hard palateT4aMaxillectomyDeepFSBFSBFSB111
MucosalFSDFSDFSD777
6Retromolar trigoneT4MaxillectomyDeepFSAFSAFSA000
MucosalFSDFSDFSD555
7Retromolar trigoneT3RMT composite resectionMucosalFSCFSCFSC000
MucosalC2C2C2444
8Lateral tongueT2Partial glossectomyMucosalA5A5A8331
9Lateral tongueT2Partial glossectomyMucosalA6A6A6555
DeepC4C4C4666
10Retromolar trigoneT4aRMT composite resectionDeepFSB3FSB3FSB3111
MucosalFSB2FSB2FSB2111
11Lateral tongueT2Partial glossectomyMucosalFSB1FSB1FSB1000
DeepB1B1B1111
12Lateral tongueT4aHemi glossectomyDeepFSC1FSC1FSC1000
MucosalFSC2FSC2FSC2555
13Retromolar trigoneT4aMandibulectomyMucosalO9O20O20844
14Retromolar trigoneT4aRMT composite resectionMucosalFSIFSIFSI101010
15BuccalT2WLEDeepFSBB10B10111
16Alveolar ridgeT2MandibulectomyMucosalD8D8D8444
17BuccalT2WLEMucosalFSAFSAFSA222
18Retromolar trigoneT3RMT composite resectionMucosalB11B11B11777
DeepB16B16B16555
  • pT = pathologic T stage; Flu = fluorescence; RMT = retromolar trigone; WLE = wide local excision.