VG H&N course intro Florence 2016.pptx

IMAGING: PET-CT / FDG-PET

COMPARISON BETWEEN

FDG-PET AND

FDG-PET/CT

THE LATTER HAD A

HIGHER SENSITIVITY AND SPECIFICITY

Dong et al.,Nucl Med Commun 2008

Rusthoven KE et al., Cancer 2004

FDG-PET/CT ON THE LOCATION OF THE PRIMARY SITE

TONSIL 6.9%, BASE OF TONGUE 9.8%, AND PHARYNX 13.7%.

FALSE-POSITIVE: 41.6%, 16.7%, AND 12.5%, RESPECTIVELY

SENSITIVITY: 87.5%, 83.3%, AND 87.5%, RESPECTIVELY

Zhu et al., Surg Oncol 2013

PET-CT D

ETECTION RATE

OF THE PRIMARY TUMOR:

24.5%

(

SENSITIVITY 88.3%, SPECIFICITY 74.9%, DIAGNOSTIC

ACCURACY 78.8%

)

IDENTIFICATION OF THE PRIMARY TUMOR

TONSILS:

HIGHEST

FALSE-POSITIVE

(39.3%), THE LOWEST

SENSITIVITY RATE WAS FOR THE BASE OF THE TONGUE (80.5%)

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