Computer-Aided Diagnostic Technique in 2-Deoxy-2-[ 18 F]fluoro-D-glucose-Positive Thyroid Nodule: Clinical Experience of 74 Non-thyroid Cancer Patients

  • Yi Hsuan Lin
  • , Yuan Chun Tsai
  • , Kun Ju Lin
  • , Jen Der Lin
  • , Chih Ching Wang
  • , Szu Tah Chen*
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

5 Scopus citations

Abstract

This study verified the value of a computer-aided diagnosis (CAD) technique assisting in ultrasonography (US) diagnosis of 2-deoxy-2-[ 18 F]fluoro-D-glucose ( 18 FDG)-avid thyroid incidentalomas on positron emission tomography. A total of 82 18 FDG-avid thyroid incidentalomas from 74 non-thyroid cancer patients were retrospectively analyzed with respect to US and CAD parameters (anechoic area, hyper-echoic foci, hypo-echogenicity, heterogeneity, margin, taller-than-wide shape, eccentric area) and were compared with 38 other non- 18 FDG-avid nodules found in the same patient group. Fine-needle aspiration cytology or surgical intervention pathology was performed for diagnosis. No significant differences in nodule size or CAD parameters were found in 18 FDG-avid nodules reported as benign, indeterminate or malignant. Significantly more taller-than-wide nodules were thyroid originating than metastatic (0.30 vs. 0.16, p < 0.05). Nevertheless, combined CAD and positron emission tomography/computed tomography scores and a discrimination point of 4 resulted in a sensitivity of 75% and a specificity of 80% in prediction of incidentaloma benignity.

Original languageEnglish
Pages (from-to)108-121
Number of pages14
JournalUltrasound in Medicine and Biology
Volume45
Issue number1
DOIs
StatePublished - 01 2019
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2018 Elsevier Ltd

Keywords

  • Computer-aided diagnostic technique
  • Incidentaloma
  • Positron emission tomography
  • Standardized uptake value
  • Thyroid
  • Ultrasound

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