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Related Concept Videos

Acute Pharyngitis01:30

Acute Pharyngitis

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Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
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Cranial Nerves: Types Part II01:22

Cranial Nerves: Types Part II

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Cranial nerves are responsible for transmitting motor and sensory information between the brain and various parts of the body. There are twelve pairs of cranial nerves. While the first six innervate the head and neck, the latter six nerves innervate the head and neck, as well as organs and tissues in the thoracic and abdominal cavities. They facilitate communication, expression, and autonomic control within the human body.
Facial Nerve (Cranial Nerve VII)
Cranial nerve VII, or the facial nerve,...
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The Physiology of Taste01:24

The Physiology of Taste

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The perception of a salty flavor is facilitated by sodium ions within the oral salivary fluid. Upon consumption of a salty substance, salt crystals disassemble, leading to the liberation of its constituents—Na+ and Cl- ions. These ions subsequently dissolve into the salivary fluid present in the oral cavity. The external environment of the gustatory cells experiences an elevation in Na+ concentration, thereby establishing a potent concentration gradient. This gradient propels the...
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Chronic Pharyngitis01:23

Chronic Pharyngitis

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Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
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Taste Buds and Receptors01:20

Taste Buds and Receptors

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Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
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Cranial Nerves: Types Part I01:14

Cranial Nerves: Types Part I

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Cranial nerves are responsible for transmitting motor and sensory information between the brain and various parts of the body. There are twelve pairs of cranial nerves, with the first six being essential in sensory perception, motor control, and autonomic functions related to the head and neck.
Olfactory Nerve (Cranial Nerve I)
The olfactory nerve, or cranial nerve I, is unique as it is purely sensory and dedicated to the sense of smell. This nerve originates in the olfactory epithelium of the...
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Related Experiment Video

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Subcutaneous Trigeminal Nerve Field Stimulation for Refractory Facial Pain
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Glossopharyngeal Neuralgia.

Jae Sung Park1, Young Hwan Ahn2,3

  • 1Department of Neurosurgery, Konyang University College of Medicine, Daejeon, Korea.

Journal of Korean Neurosurgical Society
|December 8, 2022
PubMed
Summary

Glossopharyngeal neuralgia (GPN) is a rare condition. Microvascular decompression, particularly the

Keywords:
Glossopharyngeal nerve diseasesMicrovascular decompression surgeryTrigeminal neuralgia

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Area of Science:

  • Neurology
  • Neurosurgery

Background:

  • Glossopharyngeal neuralgia (GPN) is a rare cranial nerve disorder.
  • Differentiating GPN from trigeminal neuralgia is crucial for accurate diagnosis and treatment.
  • Understanding GPN's anatomy, pathophysiology, and diagnostic criteria is essential.

Purpose of the Study:

  • To provide a comprehensive review of glossopharyngeal neuralgia (GPN).
  • To detail diagnostic criteria and treatment options for GPN.
  • To share clinical experience, including misdiagnosis and pitfalls.

Main Methods:

  • Review of anatomical and pathophysiological factors of GPN.
  • Analysis of diagnostic criteria and clinical presentation.
  • Detailed description of treatment modalities, focusing on microvascular decompression (MVD) techniques.

Main Results:

  • Microvascular decompression (MVD) is the primary treatment for medically intractable GPN.
  • The 'off-the-REZ' transposition technique in MVD may prevent recurrence.
  • Gamma Knife radiosurgery is a viable alternative for patients unsuitable for MVD.

Conclusions:

  • Accurate diagnosis and differentiation from trigeminal neuralgia are key for GPN management.
  • Microvascular decompression, especially the 'off-the-REZ' technique, offers significant potential for GPN treatment.
  • Non-invasive options like Gamma Knife radiosurgery provide alternatives for select GPN patients.