Ento Key

Fig. 9.1 A papillary thyroid carcinoma (PTC) in the isthmus (transverse scan). The cancer appears as an iso-hypoechoic lesion, infiltrating the thyroid capsule and invading the adjacent muscles. The lesion…

More sensitive features Hypoechogenicity Sensitivity 85 % Hardness at elastography Sensitivity 85 % Taller shape Sensitivity 85 % More specific features Presence of microcalcifications Specificity 90 % Absence of halo…

Fig. 8.1 Ultrasound presentation of a subacute de Quervain thyroiditis. Two hypoechoic areas with undefined margins and vascular spots are present at the superior and inferior thirds of the right…

Fig. 10.1 Large goiter in a 57-year-old man with euthyroid status 10.2 Diagnosis and Management of Nontoxic Multinodular Goiter Beyond clinical examination, all patients with NT-MNG should have serum thyrotropin…

Fig. 15.1 Imaging in a 30-year-old female patient with multifocal head and neck paraganglioma. 18 F-DOPA PET maximum intensity projection (a), axial MRI (b), contrast-enhanced CT (c), and fused PET/MRI (d)…

Fig. 5.1 Lymphocytic thyroiditis, histology H&E. In an alternance of macro- and microfollicles bordered by cubic thyrocytes not showing oncocytic changes, one can see large lymphoid follicles with prominent germinal…

Fig. 14.1 A 54-year-old woman with type 2 diabetes was investigated because of kidney stones. Her serum ionized calcium was markedly increased, 1.74 mmol/l (reference range 1.16–1.30 mmol/l), and also…

Fig. 12.1 Medullary thyroid cancer in the right lobe. Nodule was assessed at ultrasonography as not suspicious: echotexture was spongiform and margins were regular (a). Elastography showed green color (b)…

Fig. 6.1 A case of ophthalmopathy related to Graves’ disease 6.2 Diagnosis Once the question of thyrotoxicosis has been raised by clinical history and patient’s examination, laboratory data are required…

Fig. 16.1 Well-differentiated neuroendocrine tumor of the right middle ear detected by fused somatostatin receptor PET/CT. PET with somatostatin analogs labeled with gallium-68 (upper row) detected a focal area of…