September 10, 2025CureusOpen Access

Value of 18F-Fluorodeoxyglucose (FDG) Positron Emission Tomography (PET)/Computed Tomography (CT) in the Detection of Recurrence in Medullary Thyroid Carcinoma With Negative Conventional Imaging: A Case Report

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This case reveals the effectiveness of 18F-FDG PET/CT in detecting recurrence of medullary thyroid carcinoma.
Despite negative conventional imaging, PET/CT identified multiple lesions suggestive of bone metastases.
A 56-year-old female had elevated tumor markers but negative CT results prior to PET/CT.
The findings suggest 18F-FDG PET/CT may significantly improve detection and follow-up in medullary thyroid carcinoma cases.

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Implication

Case report demonstrates 18F-FDG PET/CT reveals recurrence in medullary thyroid carcinoma, indicating this imaging's importance when conventional imaging is negative.

Cite This Study

Albenda et al. (2025) studied this question.

synapsesocial.com/papers/68c2404eb210217d6479a2b2 https://doi.org/10.7759/cureus.89326

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Implication

Case report demonstrates 18F-FDG PET/CT reveals recurrence in medullary thyroid carcinoma, indicating this imaging's importance when conventional imaging is negative.

Value of 18F-Fluorodeoxyglucose (FDG) Positron Emission Tomography (PET)/Computed Tomography (CT) in the Detection of Recurrence in Medullary Thyroid Carcinoma With Negative Conventional Imaging: A Case Report

Key Points

Discussion

Implication

Cite This Study

Value of 18F-Fluorodeoxyglucose (FDG) Positron Emission Tomography (PET)/Computed Tomography (CT) in the Detection of Recurrence in Medullary Thyroid Carcinoma With Negative Conventional Imaging: A Case Report

Key Points

Discussion

Implication

Cite This Study

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