Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

The Thyroid Gland01:23

The Thyroid Gland

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...
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...
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...
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...
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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Integrative analysis of salt tolerance in wheat using multi-gradient phenotyping and molecular/physiological validation.

Frontiers in plant science·2026
Same author

Synthesis of Pharmacologically Important Perimidines using Eco-Friendly Deep Eutectic Solvents.

ChemPlusChem·2026
Same author

FAD-Linked Oxidoreductase Protein 1 (FLO1) Coordinates Grain Development and Drought Tolerance in Rice.

Plants (Basel, Switzerland)·2026
Same author

Comparative Analysis of Stromal Tumor Infiltrating Lymphocytes in Various Grades and Molecular Subtypes of Breast Carcinoma.

Annals of African medicine·2026
Same author

A case study of the inflexible bis-hydrazone butane-2,3-dione bis[(fluoren-9-ylidene)hydrazone].

Acta crystallographica. Section C, Structural chemistry·2026
Same author

Correlation of serum CTRP9 and CTRP15 levels with HOMA-IR and HOMA-B in metabolic syndrome patients with and without coronary artery disease.

Pakistan journal of medical sciences·2026

Related Experiment Video

Updated: Jul 9, 2026

Detection of Extravascular Trypanosoma Parasites by Fine Needle Aspiration
08:33

Detection of Extravascular Trypanosoma Parasites by Fine Needle Aspiration

Published on: August 7, 2019

Microfilariae in thyroid aspiration smear--an unexpected finding.

Veena Maheshwari1, Lubna Khan, Ghazala Mehdi

  • 1Department of Pathology, JN Medical College, Aligarh Muslim University, Aligarh, Uttar Pradesh, India.

Diagnostic Cytopathology
|December 8, 2007
PubMed
Summary

Lymphatic filariasis, a tropical disease, is hard to diagnose due to microfilariae

More Related Videos

An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma
07:01

An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma

Published on: April 17, 2013

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
10:19

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

Published on: November 10, 2014

Related Experiment Videos

Last Updated: Jul 9, 2026

Detection of Extravascular Trypanosoma Parasites by Fine Needle Aspiration
08:33

Detection of Extravascular Trypanosoma Parasites by Fine Needle Aspiration

Published on: August 7, 2019

An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma
07:01

An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma

Published on: April 17, 2013

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
10:19

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

Published on: November 10, 2014

Area of Science:

  • Parasitology
  • Tropical Medicine
  • Pathology

Background:

  • Lymphatic filariasis is a significant public health issue in tropical regions, notably India.
  • Diagnosis is challenging due to the nocturnal periodicity of endemic microfilariae, complicating detection in blood and fine-needle aspirates.
  • Clinical manifestations range from asymptomatic microfilaremia to conditions like hydrocele, lymphangitis, and lymphadenitis.

Observation:

  • A rare case involved the detection of microfilariae in a thyroid aspirate.
  • This finding highlights an unusual presentation of lymphatic filariasis.

Findings:

  • Microfilariae were identified in thyroid aspirates, a previously undocumented occurrence.
  • The case underscores the importance of thorough smear examination in endemic zones.

Implications:

  • This case expands the known spectrum of clinical presentations for lymphatic filariasis.
  • It emphasizes the need for heightened vigilance and comprehensive diagnostic screening in areas endemic for filariasis.
  • Clinicians should consider parasitic infections when evaluating thyroid abnormalities in endemic regions.