Colloid nodule (thyroid) | Radiology Reference Article - Radiopaedia.org
2024年11月16日 · Colloid nodules are composed of irregularly enlarged follicles containing abundant colloid. A colloid nodule may be single or multiple and can vary considerably in size. Some colloid nodules can be cystic (cystic colloid nodule) and may contain areas of necrosis, hemorrhage and/or calcification.
Ultrasonographic Findings in Common Thyroid and Parathyroid …
2021年3月23日 · Thyroid cysts, which are fluid-containing sacs, and the “black holes” of end stage Hashimoto thyroiditis, are uniformly black. Benign colloid nodules are usually isoechoic or slightly hypoechoic, whilst more cellular follicular nodules may be slightly hyperechoic.
Thyroid, Parathyroid, and Neck Ultrasound - Radiology Key
2016年7月16日 · Longitudinal image demonstrates the normal homogeneous mid-level echogenicity of the thyroid gland. Tiny cysts (arrow) are commonly seen in normal thyroid glands. These are large thyroid follicles and are commonly called colloid cysts. They are …
Cystic Parathyroid Adenoma: Sonographic Features and Correlation …
2012年11月23日 · Awareness of typical sonographic features (location, color Doppler vascularity) may aid radiologists in preoperative localization of parathyroid adenomas, even when cystic degeneration occurs. In cases in which imaging or clinical features are equivocal, the results of cyst fluid sampling and parathyroid hormone assay are confirmatory.
Ultrasonography of the thyroid, parathyroids, and beyond - PMC
Ultrasound (US) has an essential role in the management of thyroid and parathyroid disease with applications that extend to a multitude of pathologies within the neck. Expertise in the use of US is gained through repetitious practice in the clinical setting; familiarity with normal anatomy is imperative for thorough and accurate performance of ...
Colloid Cyst of Thyroid - Radiology Key
2024年11月10日 · Transverse ultrasound shows a typical colloid nodule in the right lobe. There are multiple echogenic foci and comet-tail artifacts suspended in the cyst . Longitudinal ultrasound shows a small unilocular cystic nodule with colloid . The comet-tail artifact is not V-shaped.
Ultrasound of the Thyroid and Parathyroid Glands - ScienceDirect
2021年1月1日 · Ultrasound (US) remains the primary imaging tool for the thyroid gland. It is cost effective, rapid in information accrual, well-tolerated by patients, and helps avoid unnecessary radiation exposure.
Ultrasound of Thyroid Nodules - Radiology Key
2018年2月27日 · Hyperplastic nodules contain abundant colloid which appears cystic on sonography, and neoplasms may undergo cystic degeneration or necrosis, producing cystic areas . It is uncommon for cancers to have a predominantly cystic appearance, with only 6.1% of predominately cystic nodules being malignant [ 28 ].
Ultrasound of the Parathyroid Glands and Neck Masses
2019年5月31日 · Ultrasound is successfully applied for imaging abnormal parathyroid glands in orthotopic location. One or two inferior parathyroid glands can be revealed with ultrasound in 60–70% of patients. Adenoma of the superior parathyroid is usually detected along the back margin of the middle segment of the thyroid lobe.
Parathyroid Ultrasound - SpringerLink
2011年1月1日 · This sagittal ultrasound demonstrates two potential intrathyroidal parathyroid adenomas. The superior lesion proved to be a colloid cyst (a), and the inferior less distinct mass, the actual parathyroid adenoma (b) proven on FNA for PTH