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A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...

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Related Experiment Video

Updated: Jun 27, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

Transient ischaemic attack caused by an ingested stingray barb.

Desmond C C Gan¹, Ravi L Huilgol, Mark J Westcott

¹Department of Vascular Surgery, St Vincent's Hospital, Melbourne, VIC, Australia. desmondgan@gmail.com

The Medical Journal of Australia

|December 9, 2008

Summary

This summary is machine-generated.

A woman's ingested fishbone was initially missed, but later revealed to be a migrating stingray barb lodged in her carotid artery, causing a transient ischemic attack. This case highlights a rare instance of foreign body migration after ingestion.

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Published on: June 18, 2021

Area of Science:

Vascular Surgery
Emergency Medicine
Otolaryngology

Background:

Foreign body ingestion is common, but identification and removal can be challenging.
Vascular complications from ingested foreign bodies are rare.
Stingray barbs are known for their potential to cause significant tissue damage.

Observation:

A 76-year-old female presented with a suspected fishbone in her throat, which was not visualized.
Eight weeks post-initial presentation, the patient suffered a transient ischemic attack (TIA).
A stingray barb was discovered and surgically removed from the right common carotid artery.

Findings:

The ingested foreign body was identified as a stingray barb that had migrated.
The migration pathway led from the pharynx to the carotid artery.
This represents the first documented case of an ingested stingray barb migrating to the carotid artery.

Implications:

This case underscores the importance of considering delayed complications and unusual foreign body migration.
Diagnostic imaging and thorough evaluation are crucial in cases of persistent throat symptoms after suspected ingestion.
Awareness of stingray barb migration potential is important for clinicians managing head and neck trauma or foreign body incidents.