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Related Concept Videos

Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH...
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Synthesis and Regulation of Thyroid Hormones01:20

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
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The Thyroid Gland01:23

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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
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Hyperthyroidism I: Introduction01:25

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Hyperthyroidism is a type of thyrotoxicosis characterized by the thyroid gland's overproduction of the thyroid hormones triiodothyronine (T3) and thyroxine (T4). This hormone excess increases the basal metabolic rate and enhances sensitivity to catecholamines.DiagnosisDiagnosis is based on clinical features and biochemical testing. It typically shows suppressed thyroid-stimulating hormone (TSH) levels below 0.4 mIU/L, with elevated free T3 and/or T4. Additional tests, including thyroid...
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Hypothyroidism II: Pathophysiology01:23

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Hypothyroidism is a disorder characterized by insufficient production of thyroid hormones, which regulate metabolism, energy balance, and multiple organ systems.TypesHypothyroidism is classified based on the level of dysfunction. Primary hypothyroidism results from intrinsic thyroid gland dysfunction, causing reduced hormone production despite normal or increased stimulation. Secondary hypothyroidism arises from inadequate thyroid-stimulating hormone (TSH) secretion by the pituitary. Tertiary...
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Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

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The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
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Thyroid Surgery in Children: Clinical Outcomes.

C K Sinha1, Paolo Decoppi1, Agostino Pierro2

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Thyroid surgery in children is common for benign conditions like Graves disease, but malignant cases are increasing. While malignancy surgery has higher complication rates, total or near-total thyroidectomy is best for Graves disease to prevent recurrence.

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Area of Science:

  • Pediatric Surgery
  • Endocrinology
  • Oncology

Background:

  • Thyroidectomy is performed in children for both benign and malignant conditions.
  • Understanding surgical outcomes is crucial for optimizing pediatric thyroid care.

Purpose of the Study:

  • To review the outcomes of thyroid surgery in pediatric patients undergoing operations for benign and malignant thyroid diseases.
  • To analyze complication rates and recurrence patterns based on condition type and surgical approach.

Main Methods:

  • Retrospective analysis of demographic, clinical, and surgical data from 61 children over 23 years.
  • Statistical analysis using Fisher exact test and Woolf (logit) method.

Main Results:

  • Benign conditions (70%) were more common than malignant (30%), with Graves disease being the most frequent benign diagnosis.
  • Hypocalcemia and overall complication rates were higher in the malignant group (56% vs. 28%).
  • Permanent recurrent laryngeal nerve (RLN) injury occurred in the benign group, while transient hoarseness was noted in the malignant group.

Conclusions:

  • While benign conditions dominate pediatric thyroid surgery, there's a rising incidence of malignant cases.
  • Total or near-total thyroidectomy effectively prevents thyrotoxicosis recurrence in Graves disease.
  • Surgical outcomes and complication profiles differ between benign and malignant pediatric thyroid conditions.