case_images: PMC6129671_01
case_images: Thyroid scan showing no uptake in the thyroid gland, but increased uptake in the right ovary.
case_images: gr1.jpg
case_images: PMC6129671_01_gr1.jpg
case_images: fig0005
case_images: She was diagnosed with possible thyrotoxicosis, but due to the normal physical examination, she underwent thyroid scan to rule out possible thyroiditis, which did not show any uptake in the thyroid gland, while there was an increased uptake in the right ovary (Fig. 1).
case_images: Mature teratoma adjacent to tumor.
case_images: gr2.jpg
case_images: PMC6129671_01_gr2.jpg
case_images: fig0010
case_images: The pathology report of the ovary mass indicated teratocarcinoma with 60% well-differentiated follicular thyroid carcinoma and 40% well differentiated follicular-variant with tumor necrosis, microscopic capsular invasion and peritumoral lymphovascular invasion, considering stage IC of PTC (Fig. 2) and the thyroid gland did not show pathologic features of PTC.