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Related Concept Videos

Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

Graves’ disease is an autoimmune disorder characterized by the production of thyroid-stimulating immunoglobulins (TSI) that activate TSH receptors, leading to excessive synthesis and release of thyroid hormones (T3 and T4) and resulting in hyperthyroidism.Among all causes of hyperthyroidism, Graves’ disease is the most common and can happen at any age, though it is more frequent in women. It produces a hypermetabolic state with features such as weight loss, tachycardia, tremor, and heat...
Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

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...
Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence in...
Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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 receptors...
Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

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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Related Experiment Videos

[Thyroid diseases in elderly patients].

Mario Costanzo1, Laura Antonella Maria Caruso, Mariano Malaguarnera

  • 1Università degli Studi di Catania, Dipartimento Scienze chirurgiche, trapianti d'Organo e Tecnologie avanzate, Unità Operativa Clinicizzata di Endocrinochirurgia P.O.U. "S. Luigi-S. Currò". mario.costanzo@unict.it

Annali Italiani Di Chirurgia
|April 10, 2009
PubMed
Summary
This summary is machine-generated.

Elderly patients present thyroid diseases differently than younger individuals, complicating diagnosis. Autoimmune thyroid diseases causing hypothyroidism are most common in the elderly, often presenting subtly.

Related Experiment Videos

Area of Science:

  • Endocrinology
  • Geriatric Medicine
  • Internal Medicine

Background:

  • Thyroid diseases exhibit varying prevalence and clinical manifestations across different age groups.
  • Understanding age-related differences in thyroid pathology is crucial for accurate diagnosis and management.

Purpose of the Study:

  • To compare the incidence, type, and clinical features of thyroid diseases in young versus elderly patients.
  • To investigate diagnostic challenges associated with thyroid conditions in the geriatric population.

Main Methods:

  • A comparative study of 621 patients with thyroid diseases, divided into elderly (≥65 years) and young (<65 years) groups.
  • Evaluation included clinical assessment, thyroid hormone levels, autoantibodies (anti-thyroid peroxidase and anti-thyroglobulin), ultrasonography, and fine-needle aspiration cytology (FNAC) where applicable.

Main Results:

  • Elderly patients often present with atypical or non-specific symptoms, mimicking physiological aging, which complicates thyroid disease diagnosis.
  • Autoimmune thyroid diseases, particularly those leading to hypothyroidism, were the most common thyroid dysfunctions observed in the elderly group.
  • Hypothyroidism in the elderly population frequently presented with clinically subtle or irrelevant symptoms.

Conclusions:

  • The presentation of thyroid diseases differs significantly between elderly and young patients, posing diagnostic challenges in older adults.
  • Autoimmune thyroid disorders are prevalent in the elderly and are a primary cause of hypothyroidism in this demographic.
  • The subtle clinical presentation of hypothyroidism in the elderly necessitates a high index of suspicion for timely diagnosis and intervention.