Related Experiment Video
Updated: Jul 14, 2025

Transoral Robotic Total Thyroidectomy and Bilateral Central Regional Lymph Node Dissection for Papillary Thyroid Carcinoma
Published on: September 15, 2023
False-Positive 131 I Uptake After Posttraumatic Scab in a Patient With Papillary Thyroid Carcinoma
Jun Yang1, Pingping Zhou, Xinhui Su
1From the Department of Nuclear Medicine, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China.
Abstract:
A 41-year-old woman with right papillary thyroid carcinoma underwent 131 I therapy (3.7 GBq). Posttherapy whole-body scintigraphy acquired 2 days later revealed a focus of intense activity in the anterior aspect of the left knee. The activity corresponding to the posttraumatic scab. Posttraumatic scab should be considerable a cause of false-positive whole-body scintigraphy findings.
Related Concept Videos
Imaging Studies II: Positron Emission Tomography and Scintigraphy
Fundamental Principles of PET
The Thyroid Gland
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...

