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Updated: Sep 24, 2025

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
Published on: July 14, 2023
Incidental findings on a Tc99m-SESTAMIBI parathyroid scan post COVID-19 vaccination
Mitchel A Muhleman1, Jorge D Oldan1, Amir H Khandani1
1Division of Molecular Imaging and Therapeutics, Department of Radiology, University of North Carolina School of Medicine Chapel Hill, NC, USA.
Abstract:
We present a case of abnormal findings on a Tc99m-Sestamibi parathyroid scan, post COVID-19 vaccination. The patient is a 48-year-old female presenting for evaluation of hyperparathyroidism who received the mRNA-1273 Moderna (ModernaTX, Inc.) vaccine seven days prior to the scan. The patient is right hand dominant and reported no traumatic events, inflammation, infection, or extraneous use of the left arm. The patient did report "soreness" of the extremity starting approximately 24 hours post injection which continued to the time of the study.
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