Types of flow pattern. Color Doppler sonogram in 71-year-old man shows extensive flow with or without a peripheral ring within a follicular carcinoma. This is type 4 flow pattern.
Ultrasound scan of a papillary thyroid microcarcinoma (PTMC) in a 50-year-old female. A hypoechoic nodule, 0.52×0.65 cm in size, was observed in the right lobe. The PTMC has an unclear boundary, an irregular shape and a ratio of length/width of ≥1.
Morphologic patterns. 55-year-old woman with hyperplastic nodule. Color Doppler ultrasound image shows “ring of fire,” or peripheral hypervascularity.
Ureter carcinoma with extension in the ureter
Graves disease medical illustration, cause, diagnosis, management of graves thyroid disease
Szakemberek szerint minden nőnek napi 15 percet gyakorolnia kéne ezt a pózt
Morphologic patterns. 61-year-old woman with follicular adenoma. Color Doppler ultrasound image shows “red light,” or hypervascular, nodule.
Hürthle cell (follicular) carcinoma in a 60-year-old woman. (a) Transverse sonogram of the left lobe of the thyroid shows a partially cystic tumor with solid internal projections (arrows) and thick walls. (b) Color Doppler sonogram (shown in black and white) depicts increased vascularity in the solid parts of the tumor (arrow).
A hypoechoic or anechoic rim encircling a nodule, known as the halo sign (Figure 11), suggests benignity; however, this sign may be absent in >50% of benign nodules and present in up to 20% of malignant nodules.
More than 60,200 new cases of thyroid cancer are diagnosed each year in the U.S. (infographic)