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Case Reports
. 2019 Jul-Sep;34(3):220-222.
doi: 10.4103/ijnm.IJNM_34_19.

Thyroid Cartilage Metastases on F-18 Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography: A Tale of Two Cases with a Brief Review of Literature

Sarthak Tripathy  1 , Girish Kumar Parida  1 , Abhinav Singhal  1 , Shamim Ahmed Shamim  1 , Rakesh Kumar  1
Affiliations
Case Reports

Thyroid Cartilage Metastases on F-18 Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography: A Tale of Two Cases with a Brief Review of Literature

Sarthak Tripathy et al. Indian J Nucl Med. 2019 Jul-Sep.

Abstract

Metastases to thyroid cartilage are rare entities and can often easily be missed on computed tomography (CT) scan alone. Positron emission tomography (PET)-CT imaging has overcome this diagnostic dilemma due to its ability to provide for both anatomical and functional imaging. We report two rare cases of thyroid cartilage metastases on F-18 fluorodeoxyglucose PET-CT from breast and papillary thyroid malignancies as primaries.

Keywords: Breast; fluorodeoxyglucose positron emission tomography-computed tomography; metastasis; thyroid; thyroid cartilage.

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Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
(a) Maximum intensity projection image of F-18 fluorodeoxyglucose positron emission tomography-computed tomography showing diffuse increased fluorodeoxyglucose uptake in the axial and appendicular skeleton, (b) Focal lytic lesion with mild sclerosis on computed tomography image showing increased fluorodeoxyglucose uptake on fused positron emission tomography-computed tomography image (c). (d) Represents axial computed tomography image showing focal lytic lesion in the right lamina of thyroid cartilage showing increased fluorodeoxyglucose uptake on fused positron emission tomography-computed tomography image (e)
Figure 2
Figure 2
(a) Maximum intensity projection image of F-18 fluorodeoxyglucose positron emission tomography-computed tomography showing multiple focal increased areas of fluorodeoxyglucose uptake in the neck region. (b, d and f) Represents axial computed tomography image showing lytic lesions in the right lamina of thyroid cartilage showing increased fluorodeoxyglucose uptake in the respective corresponding fused positron emission tomography-computed tomography images (c, e and g)
See this image and copyright information in PMC

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