Journal of Endocrinology and Metabolism, ISSN 1923-2861 print, 1923-287X online, Open Access
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Case Report

Volume 12, Number 6, December 2022, pages 198-201

Mediastinal Mass as First Clinical Manifestation of Medullary Thyroid Microcarcinoma in a Patient With Hashimoto’s Thyroiditis

Figures

Figure 1.
Figure 1. Chest CT scan: expansive lesion in the right anterior mediastinum (arrow). CT: computed tomography.
Figure 2.
Figure 2. Tc-99m scan: thyroid in normal position. Tc: technetium.
Figure 3.
Figure 3. Cervical ultrasound shows hypoechoic nodule in the right thyroid lobe of 9 × 7 × 9 mm.
Figure 4.
Figure 4. Pathological anatomy: neuroendocrine carcinoma. Nodular and trabecular histological type with fusiform areas of expanding growth delimited in the area of the thymus CK (+), CD5 (+), vimentin (+), synaptophysin (+), calcitonin (+) (arrow). CK: cytokeratin. Magnification: × 10.