Complicated Migraine
Fig. 7.1 (a) Diffusion-weighted image (DWI) 3 weeks after symptom onset does not show acute signs of ischemia anymore, (b) small laminar necrosis in the occipital cortex suggests migrainous infarction…
Fig. 7.1 (a) Diffusion-weighted image (DWI) 3 weeks after symptom onset does not show acute signs of ischemia anymore, (b) small laminar necrosis in the occipital cortex suggests migrainous infarction…
Fig. 11.1 A patient with differentiated thyroid carcinoma of the left thyroid lobe with bilateral cervical lymph nodal metastases demonstrated by fine-needle cytology. Ultrasonography demonstrates multiple nodules with irregular margins…
Fig. 13.1 Computed tomography in a patient with anaplastic thyroid carcinoma showing a large mass of the right thyroid lobe (arrow) (a) with mediastinal lymph nodal metastases (arrow) (b) Fig….
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. 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. 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. 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. 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…