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Volumetric Parameter of 18F-FDG PET/CT in Characterizing Thyroid Incidentalomas

NCT07163806 · Status: NOT_YET_RECRUITING · Type: OBSERVATIONAL · Enrollment: 88

Last updated 2025-09-29

No results posted yet for this study

Summary

To assess the clinical significance of FDG-avid thyroid incidentalomas detected on PET/CT and explore correlations between SUV max, ultrasound characteristics, and histopathology for suspicious lesion.

Conditions

  • Thyroid Incidentalomas

Interventions

DIAGNOSTIC_TEST

PET/CT with 18-FDG

Patients will fast for at least four hours before imaging with blood glucose level \<200 mg /dL before intravenous administration of about 3.7 MBq/kg (0.1 mCi/kg). Imaging will be performed approximately 45 to 60 min after 18F-FDG injection , an imaging field of view from the base of skull to mid thighs with the arms above the head whenever possible is used or otherwise the arms are positioned beside the body. The semiquantitative analysis will be done using standardized uptake values (SUV). The SUV calculation will be done via the default method by body weight \[(SUV = mean ROI activity (MBq/g)/injected activity (MBq)/body weight (g)\]. For measurement of SUVs of lesion, multiple circular ROIs will be drawn covering the lesion over its entire length. For healthy organs, a circular ROI of 10 mm diameter will be drawn

Sponsors & Collaborators

  • Fatma Abelzaher Mahmoud Ahmed

    lead OTHER

Eligibility

Min Age
18 Years
Max Age
90 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-10-30
Primary Completion
2028-04-30
Completion
2028-05-30

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07163806 on ClinicalTrials.gov