A Rare Case of 18F-FDG Uptake in an Ectopic Thyroid Carcinoma of the Anterior Middle Neck Lacking Thyroglossal Duct Remnants
| Autor: | Kazunari Ishii, Hiroki Inui, Takaaki Chikugo, Hayato Kaida |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
0301 basic medicine
medicine.medical_specialty Thyroglossal duct Case Report Standardized uptake value Malignancy lcsh:RC254-282 03 medical and health sciences 0302 clinical medicine Ectopic thyroid carcinoma medicine Carcinoma Cyst Ectopic thyroid business.industry Hyoid bone 18F-FDG PET/CT medicine.disease lcsh:Neoplasms. Tumors. Oncology. Including cancer and carcinogens 030104 developmental biology medicine.anatomical_structure Oncology 030220 oncology & carcinogenesis Papillary thyroid carcinoma Radiology Differential diagnosis business |
| Zdroj: | Case Reports in Oncology, Vol 12, Iss 1, Pp 157-163 (2019) Case Reports in Oncology |
| ISSN: | 1662-6575 |
| Popis: | An 80-year old female presented with a well-defined tumor of the anterior middle neck, and a diagnosis of thyroglossal duct cyst was made. When the tumor size increased, malignancy was suspected. Ultrasonography revealed a smooth, heterogeneously hypoechoic area at her anterior neck. Contrast-enhanced computed tomography showed a well-defined contrast-enhanced tumor inferior to the hyoid bone. Fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) showed a fluorine-18 fluorodeoxyglucose-avid tumor with a maximum standardized uptake value of 12.8. Surgical tumor resection was performed, and the histopathological finding was ectopic papillary carcinoma lacking thyroglossal duct remnants, which is very rare. To our knowledge, few cases of ectopic thyroid carcinoma with 18F-FDG PET/CT findings have been reported. Ectopic thyroid carcinoma lacking thyroglossal duct remnants should be considered a differential diagnosis in cases of 18F-FDG uptake in an anterior middle neck tumor. |
| Databáze: | OpenAIRE |
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