Disorders of the thyroid

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Because thyroid hormones exert regulatory effects on multiple organ systems, thyroid function should be aggressively evaluated and abnormal function treated in patients who require surgery. Thyroid hormones also significantly affect the metabolism of many drugs, and dose adjustments may be required when function is abnormal. Medical consultants performing preoperative evaluations should include clinical assessments of thyroid function and perform confirmatory tests when indicated. The adult thyroid gland weighs 15–20 g, typically consists of two lobes connected by an isthmus, and is located just below the cricoid cartilage. A remnant of the thyroglossal duct, the pyramidal lobe may be noted arising superiorly from the isthmus or medial side of a lobe. Enlargement of the pyramidal lobe indicates a diffuse thyroidal abnormality. The thyroid gland consists of follicles, which are spheres lined by a single layer of cuboidal cells and are filled with a colloid that is composed primarily of thyroglobulin. A rich capillary network surrounds the follicles, explaining why a bruit is sometimes heard over hyperactive, enlarged thyroid glands. Scattered throughout the thyroid are calcitonin-secreting perifollicular cells. Hyperplasic or malignant transformation of these cells does not result in abnormalities of thyroid function [1–3].

Original languageEnglish (US)
Title of host publicationMedical Management of the Surgical Patient: A Textbook of Perioperative Medicine, Fifth Edition
PublisherCambridge University Press
Pages350-357
Number of pages8
ISBN (Print)9780511920660, 9781107009165
DOIs
StatePublished - Jan 1 2010

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Thyroid Gland
Thyroid Hormones
Cricoid Cartilage
Thyroglobulin
Calcitonin
Colloids
Consultants
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Prescott, P. T. (2010). Disorders of the thyroid. In Medical Management of the Surgical Patient: A Textbook of Perioperative Medicine, Fifth Edition (pp. 350-357). Cambridge University Press. https://doi.org/10.1017/CBO9780511920660.033

Disorders of the thyroid. / Prescott, Pamela T.

Medical Management of the Surgical Patient: A Textbook of Perioperative Medicine, Fifth Edition. Cambridge University Press, 2010. p. 350-357.

Research output: Chapter in Book/Report/Conference proceedingChapter

Prescott, PT 2010, Disorders of the thyroid. in Medical Management of the Surgical Patient: A Textbook of Perioperative Medicine, Fifth Edition. Cambridge University Press, pp. 350-357. https://doi.org/10.1017/CBO9780511920660.033
Prescott PT. Disorders of the thyroid. In Medical Management of the Surgical Patient: A Textbook of Perioperative Medicine, Fifth Edition. Cambridge University Press. 2010. p. 350-357 https://doi.org/10.1017/CBO9780511920660.033
Prescott, Pamela T. / Disorders of the thyroid. Medical Management of the Surgical Patient: A Textbook of Perioperative Medicine, Fifth Edition. Cambridge University Press, 2010. pp. 350-357
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