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Related Concept Videos

Larynx01:21

Larynx

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The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids,...
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Cranial Part of Parasympathetic Division01:18

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The cranial part of the parasympathetic division plays a crucial role in regulating the visceral functions of the head and specific structures in the neck, thoracic, and abdominopelvic cavities. Preganglionic fibers of the parasympathetic division exit the brain through cranial nerves III (oculomotor), VII (facial), IX (glossopharyngeal), and X (vagus), delivering parasympathetic output to the respective visceral structures.
The vagus nerve (cranial nerve X) alone accounts for approximately 75...
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Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

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Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway...
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The Parathyroid Glands00:59

The Parathyroid Glands

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
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Sympathetic Pathways: Sympathetic Chain Ganglia01:20

Sympathetic Pathways: Sympathetic Chain Ganglia

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The sympathetic chain ganglia, also known as the sympathetic trunk ganglia or paravertebral ganglia, are a series of ganglia located bilaterally on either side of the spinal column. These ganglia serve as relay stations for the sympathetic nervous system. Preganglionic neurons originating in the spinal cord project their axons to the sympathetic chain ganglia. Within the ganglia, these preganglionic fibers synapse with postganglionic neurons.The postganglionic neurons of the sympathetic trunk...
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Related Experiment Video

Updated: Feb 20, 2026

Author Spotlight: Advancing Awake Nasotracheal Intubation with Flexible Video Rhino-Laryngoscopes
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[Laryngeal paraganglioma].

S D Bezhanova1, R A Khasanov1, A I Pavlovskaya1

  • 1N.N. Blokhin Russian Cancer Research Center, Ministry of Health of Russia, Moscow, Russia.

Arkhiv Patologii
|October 14, 2017
PubMed
Summary

This case report details a rare laryngeal paraganglioma, a non-cancerous tumor of the larynx. It highlights current diagnostic methods for this uncommon condition.

Area of Science:

  • Otolaryngology
  • Head and Neck Surgery
  • Pathology

Background:

  • Paragangliomas are rare neuroendocrine tumors originating from paraganglia.
  • Laryngeal paragangliomas are exceptionally rare, accounting for a small fraction of all head and neck paragangliomas.
  • These tumors arise from autonomic ganglion cells within the larynx.

Observation:

  • This paper presents a clinical case of a laryngeal paraganglioma.
  • Detailed patient history and clinical presentation are described.
  • The specific characteristics of the tumor in this case are outlined.

Findings:

  • The study reviews and characterizes current diagnostic techniques for laryngeal paraganglioma.
  • Diagnostic modalities discussed include imaging (CT, MRI) and histopathology.
Keywords:
diagnosisimmunohistochemistrylaryngeal paraganglioma

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  • Emphasis is placed on the detailed findings obtained through these methods.

    • Implications:

    • Accurate and timely diagnosis of laryngeal paraganglioma is essential for effective treatment.
    • The described diagnostic techniques can aid clinicians in identifying similar rare tumors.
    • This case contributes to the literature on laryngeal paraganglioma, improving understanding of this rare entity.