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Related Concept Videos

Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
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Pulmonary Tuberculosis III01:31

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Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
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Pulmonary Tuberculosis V01:28

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Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
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Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
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Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
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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.
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Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
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Thyroid tuberculosis: an unexpected diagnosis.

Alexandra Novais Araújo1, Tânia Matos1, João Boavida2

  • 1Serviço de Endocrinologia, Centro Hospitalar Universitário Lisboa Norte EPE, Lisboa, Portugal.

BMJ Case Reports
|February 18, 2021
PubMed
Summary

Tuberculosis affecting the thyroid gland is rare. Diagnosis in this case required histopathology and culture of Mycobacterium tuberculosis (MTB) from lymph node tissue, confirming thyroid TB.

Keywords:
TB and other respiratory infectionshead and neck surgerythyroid disease

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Area of Science:

  • Endocrinology
  • Infectious Diseases
  • Pathology

Background:

  • Mycobacterium tuberculosis (MTB) typically causes pulmonary infection.
  • Thyroid gland involvement by MTB is an uncommon clinical presentation.

Observation:

  • A 71-year-old woman presented with cervical discomfort and a thyroid nodule with suspicious lymph nodes.
  • Initial fine-needle aspiration was non-diagnostic.
  • Histopathology revealed necrotising granulomas, leading to further investigation.

Findings:

  • Culture and molecular detection confirmed Mycobacterium tuberculosis in lymph node tissue.
  • Pulmonary tuberculosis was excluded in this patient.
  • The diagnosis of thyroid tuberculosis was established through tissue analysis.

Implications:

  • Histopathology and microbiological culture are crucial for diagnosing rare cases of thyroid tuberculosis.
  • Early diagnosis and treatment with antituberculous agents are essential.
  • This case highlights the importance of considering unusual presentations of common infections.