Info

Thyroid Factor

The Natural Thyroid Diet

Get Instant Access

Frequently, calcifications are encountered in the thyroid parenchyma, generally representing areas of degenerative or postinflammatory regression that do not require further evaluation.

The decisive information for further assessment of a hypoechoic nodule is provided by the radionuclide thyroid scan because the functional status of a nodule cannot be deduced from its sonographic features. Scintigraphically functioning nodules ("hot" nodules) primarily correspond to

Fig. 75.1 Anatomy of the thyroid region.

Vagus nerve (a), fibrous capsule of thyroid (b), isthmus (c), platysma (d), omohyoid muscle (e), skin (1), subcutaneous fat tissue (2), esophagus (34), spine (35), lateral lobes of thyroid (81), common carotid artery (82), internal jugular vein (83), trachea (84), sternocleidomastoid muscle (85), anterior and medial scalenus muscles (88), sternohyoid muscle (89), sternothyroid muscle (90).

areas of adenomatous hyperplasia or true adenomas, whereas non-functioning hypoechoic nodules ("cold" nodules) must arouse suspicion of malignancy and are generally subjected to sonographically-guided needle aspiration biopsy.

Though hyperechoic nodules are less likely to be malignant, they also should be considered for needle aspiration biopsy, unless their true nature can be established by combining the results of laboratory tests, sonography, and scintigraphy.

Fig. 75.2a

Fig. 75.2a

Was this article helpful?

0 0
Managing Diverticular Disease

Managing Diverticular Disease

Stop The Pain. Manage Your Diverticular Disease And Live A Pain Free Life. No Pain, No Fear, Full Control Normal Life Again. Diverticular Disease can stop you from doing all the things you love. Seeing friends, playing with the kids... even trying to watch your favorite television shows.

Get My Free Ebook


Post a comment