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Related Concept Videos

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The hyoid bone is a small U-shaped bone located in the upper neck at the level of the inferior mandible, with its tips pointing posteriorly. It does not directly articulate with any other bone in the body. The hyoid acts as the attachment site for the tongue, the larynx, and the pharynx. It is held in position by a series of small muscles attached from above or below. These muscles help to move the hyoid up/down or forward/back in coordination with movements of the tongue, larynx, and pharynx...
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Overview of Flail Chest
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Related Experiment Video

Updated: Apr 20, 2026

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing
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Fish bone impaction in the supraglottis.

Willis S Tsang1, John K Woo, C Andrew van Hasselt

  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong.

Ear, Nose, & Throat Journal
|November 15, 2014
PubMed
Summary
This summary is machine-generated.

Fish bone impaction commonly occurs in the tonsils and surrounding throat areas. However, impaction within the supraglottic region of the airway is exceptionally rare.

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Area of Science:

  • Otolaryngology
  • Gastroenterology
  • Emergency Medicine

Background:

  • Fish bone ingestion is a frequent cause of foreign body impaction in the upper aerodigestive tract.
  • Understanding common impaction sites is crucial for diagnosis and management.

Observation:

  • The study identifies the tonsils, tonsillar pillars, tongue base, valleculae, and piriform fossa as the most frequent locations for fish bone lodging.
  • A review of clinical data highlights the rarity of such impactions in the supraglottic area.

Findings:

  • The primary finding is the high prevalence of fish bone impaction in specific oropharyngeal and hypopharyngeal structures.
  • Conversely, the supraglottic region demonstrates an extremely low incidence of fish bone foreign bodies.

Implications:

  • This anatomical distribution informs diagnostic imaging and endoscopic examination protocols.
  • Clinicians should maintain a high index of suspicion for common sites while recognizing the unusual nature of supraglottic impaction.
  • Accurate identification of impaction location aids in timely and safe removal, preventing complications.