Exceptionally Rare Isolated Thyroidal Metastasis of Pulmonary Carcinosarcoma: A Tale of 18F-FDG-positive Thyroid Nodule

Mehmet Emin Mavi; Fariba Amini; Seyfettin Ilgan

doi:10.4274/mirt.galenos.2023.74507

Exceptionally Rare Isolated Thyroidal Metastasis of Pulmonary Carcinosarcoma: A Tale of ¹⁸F-FDG-positive Thyroid Nodule

Mol Imaging Radionucl Ther. 2024 Feb 22;33(1):63-65. doi: 10.4274/mirt.galenos.2023.74507.

Authors

Mehmet Emin Mavi¹, Fariba Amini², Seyfettin Ilgan³

Affiliations

¹ Karaman Training and Research Hospital, Clinic of Nuclear Medicine, Karaman, Türkiye.
² Güven Hospital, Clinic of Pathology, Ankara, Türkiye.
³ Güven Hospital, Clinic of Nuclear Medicine, Ankara, Türkiye.

Abstract
in English, Turkish

Pulmonary carcinosarcomas (PCS) are uncommon and aggressive malignant tumors with epithelial and mesenchymal components and have a worse prognosis than other non-small-cell lung cancers. Metastases of non-thyroidal malignancies to the thyroid are rare. We reported a unique case of isolated thyroidal metastasis of PCS and discussed ¹⁸F-fluorodeoxyglucose (¹⁸F-FDG) positivity in incidentally found thyroid nodules on ¹⁸F-FDG positron emission tomography scan.

Pulmoner karsinosarkomlar (PCS), epitelyal ve mezenkimal bileşenleri olan ve diğer küçük hücreli dışı akciğer kanserlerinden daha kötü prognoza sahip, nadir görülen ve agresif malign tümörlerdir. Tiroid dışı malignitelerin tiroid metastazları nadirdir. PCS’nin oldukça benzersiz bir izole tiroid metastazı olgusunu bildirdik ve ¹⁸F-florodeoksiglikoz (¹⁸F-FDG) pozitron emisyon tomografi taramasında tesadüfen bulunan tiroid nodüllerindeki ¹⁸F-FDG pozitifliğini tartıştık.

Keywords: 18F-fluorodeoxyglucose; PET/CT; incidental; lung; thyroid; ultrasonography.

Abstract in English, Turkish

Abstract
in English, Turkish