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Related Concept Videos

Esophageal Achalasia01:27

Esophageal Achalasia

Esophageal achalasia is a chronic neurogenic disorder characterized by impaired relaxation of the lower esophageal sphincter (LES) and absent or ineffective peristalsis in the distal esophagus. This leads to a functional obstruction without a physical blockage, despite significant disruption of esophageal motility.EtiologyAchalasia is caused by degeneration of the myenteric (Auerbach's) plexus, specifically the loss of inhibitory ganglion cells that produce vasoactive intestinal peptide (VIP)...
Pharynx01:20

Pharynx

The pharynx, a tubular structure framed by skeletal muscle and lined with mucous membrane, extends continuously from the nasal cavities. It is segmented into three major areas: the nasopharynx, oropharynx, and laryngopharynx.
Nasopharynx
The nasopharynx, bordered by the conchae of the nasal cavity, serves exclusively as an air conduit. In its superior region, the pharyngeal tonsils or adenoids are located. These tonsils are clusters of lymphoid reticular tissue akin to a lymph node. The precise...
Suctioning the Oropharyngeal Airway01:25

Suctioning the Oropharyngeal Airway

In preparing for oropharyngeal airway suctioning, a nurse must gather all necessary equipment, including a suction unit with tubing, a prepackaged suction kit, sterile gloves, water or saline for irrigation, a water-soluble lubricant, and additional personal protective equipment (such as a gown, mask, and goggles) to control infections.
After assembling the equipment, the nurse should practice hand hygiene and don appropriate PPE according to infection control guidelines to avoid the...
Arteries of the Head and Neck01:26

Arteries of the Head and Neck

The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
Suctioning the Nasopharyngeal Airway01:29

Suctioning the Nasopharyngeal Airway

Nasopharyngeal suctioning is a procedure to remove secretions from the upper part of the respiratory tract that the patient cannot clear independently. It helps maintain airway patency and prevents complications such as aspiration pneumonia.
Equipment Required
Cranial Nerves: Overview and Anatomy01:19

Cranial Nerves: Overview and Anatomy

The cranial nerves are an important part of the complex network of nerves in the human body. These nerves emerge directly from the brain and are responsible for transmitting essential information between the brain and various parts of the head and neck. There are 12 pairs of cranial nerves, systematically numbered using Roman numerals from I to XII, beginning from the anterior and moving to the posterior of the brain. Each cranial nerve is uniquely identified by names that reflect its function...

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Related Experiment Video

Updated: Jun 24, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
04:04

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection

Published on: August 15, 2025

Oronasopharyngeal chordomas.

Jeroen R Coppens1, H Ric Harnsberger, Michael A Finn

  • 1Department of Neurosurgery, University of Utah, Salt Lake City, UT 84132, USA. jeroen.coppens@hsc.utah.edu

Acta Neurochirurgica
|March 19, 2009
PubMed
Summary
This summary is machine-generated.

Primary familial oronasopharyngeal chordomas, rare tumors, can occur without skull base bony erosion. Surgical excision with skull base drilling offers a potential cure for these chordomas.

Related Experiment Videos

Last Updated: Jun 24, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
04:04

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection

Published on: August 15, 2025

Area of Science:

  • Oncology
  • Genetics
  • Neurosurgery

Background:

  • Chordomas are rare tumors originating from notochordal remnants.
  • This study focuses on primary familial oronasopharyngeal chordomas, a specific subtype.

Observation:

  • Three cases of familial oronasopharyngeal chordomas were identified.
  • Patients presented with nasal obstruction, with ages ranging from 5 to 65 years.
  • Tumors connected to the skull base via a tract, notably without apparent bony erosion on imaging.

Findings:

  • All patients were neurologically intact and underwent wide excision with skull base drilling.
  • No complications were observed post-surgery.
  • All patients remained tumor-free with follow-up periods ranging from 12 months to 4.5 years.

Implications:

  • Oronasopharyngeal chordomas may not always exhibit skull base bony erosion.
  • Surgical intervention involving wide excision and bone drilling can achieve oncologic cure.
  • Highlights the importance of considering familial predisposition in chordoma diagnosis.