Related Experiment Video
Updated: Jul 5, 2026
04:04
Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
Published on: August 15, 2025
Tortuous internal carotid artery narrowing pyriform sinus: two cases
K Murat Ozcan1, Ibrahim Ozcan, Adin Selcuk
1Ankara Numune Education and Research Hospital 4th ENT Clinic, Ankara, Turkey.
Clinical Imaging
|May 27, 2008
Summary
Internal carotid artery tortuosity, a rare condition, can cause pyriform sinus narrowing. Recognizing this anatomical variation is crucial for preventing surgical complications in the throat.
Area of Science:
- Otolaryngology
- Vascular Anatomy
- Surgical Safety
Background:
- Elongation of the internal carotid artery is classified as tortuosity or kinking.
- Carotid artery tortuosity is an uncommon finding in otolaryngologic practice.
- Awareness of this condition is vital for preventing surgical complications.
Observation:
- Videolaryngoscopy revealed pyriform sinus narrowing in two patients.
- Computed tomography confirmed tortuous internal carotid arteries in both cases.
- These findings highlight a potential link between carotid artery anatomy and airway findings.
Findings:
- The study identified internal carotid artery tortuosity in patients presenting with pyriform sinus narrowing.
- This suggests a possible association between vascular anatomy and laryngeal/pharyngeal structures.
- The anatomical variation was confirmed via computed tomography.
Implications:
- Accurate classification of internal carotid artery elongation is essential.
- Otolaryngologists must be aware of potential carotid artery tortuosity.
- Preoperative identification can prevent serious intraoperative complications during head and neck surgeries.
Related Concept Videos
01:26Arteries 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...
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
01:10The Arch of Aorta
The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Encircling the heart, the coronary arteries form a ring-like structure before...
01:21Aneurysm II: Clinical Manifestations and Diagnostic Studies
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...