Three Different Etiologies in Three Similar Looking Intrathyroidal Nodules: Role of Tc-99m SestaMIBI Scintigraphy and SPECT-CT in a Patient With Primary Hyperparathyroidism.
case_report · Level V
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- Also identified by DOI 10.1097/RLU.0000000000006142.
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Abstract
A 46-year-old woman with hypercalcemic primary hyperparathyroidism underwent a Tc-99m SestaMIBI scintigraphy and SPECT-CT, which identified 3 distinct radiotracer-avid intrathyroidal nodules. Following a right hemithyroidectomy and subsequent histopathologic evaluation, it turned out that she had 3 pathologically distinct nodules, that is, intrathyroidal parathyroid adenoma, invasive encapsulated follicular variant of papillary thyroid carcinoma, and tall-cell variant of papillary thyroid microcarcinoma. Our case serves as an important reminder that at times even distinct pathologies can present with identical anatomic features and radiotracer uptake patterns.
Medical subject headings
- Technetium Tc 99m Sestamibi
- Single Photon Emission Computed Tomography Computed Tomography
- Hyperparathyroidism, Primary
- Thyroid Nodule