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Updated: May 2, 2026

Computer-Aided Three-Dimensional Visualization in the Treatment of Locally Advanced Thyroid Cancer
Published on: June 9, 2023
Follicular thyroid carcinoma metastasis to the internal jugular vein demonstrated by 131I SPECT/CT
Beatriz Birelli do Nascimento1, Elba Cristina de Sá Camargo Etchebehere, Lígia Vera Montalli Assumpção
1From the *Division of Nuclear Medicine of the Department of Radiology; †Department of Internal Medicine; ‡Division of Head and Neck Surgery of the Department of Surgery, Faculty of Medical Sciences, Campinas State University (UNICAMP); and §Department of Radiology, Campinas, Brazil.
Abstract:
Cervical uptake detected by 131I whole body scintigraphy (131I-WBS) may be due to thyroid remnants or loco-regional metastases. We describe a patient with follicular carcinoma submitted to total thyroidectomy. 131I-WBS showed left cervical linear uptake and focal areas of uptake in the abdomen and pelvis. SPECT/CT images demonstrated a potential thrombus in the left jugular vein (confirmed by doppler neck ultrasound and MRI) as well as bone metastases. The patient was submitted to thrombectomy and histopathology confirmed metastasis of follicular carcinoma.
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