Related Experiment Video
Updated: Jun 7, 2025

A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma
Published on: January 5, 2017
[Paragangliomas of the head and neck]
Verena Strasser1, Teresa Steinbichler2
1Department of Otorhinolaryngology, Head and Neck Surgery, Medical University of Innsbruck, 6020, Innsbruck, Austria. verena.strasser@tirol-kliniken.at.
Abstract:
Paragangliomas represent a heterogeneous group of rare neuroendocrine tumors with marked variability in symptoms and disease course. Due to the close proximity to neurovascular structures, paragangliomas of the head and neck region can cause a variety of symptoms. To this day, there are no reliable prognostic factors that can predict a potentially malignant course. All patients with newly diagnosed paragangliomas should undergo an early diagnostic workup and regular follow-up examinations in specialized centers. While radical resection was previously regarded as standard treatment for paragangliomas, radiotherapy and active surveillance (watch-and-scan strategy) have become equally important over the years. Low-threshold techniques for molecular pathology analysis of the mutation-specific behavior of paragangliomas are nowadays available.
Related Concept Videos
Cranial Part of Parasympathetic Division
The vagus nerve (cranial nerve X) alone accounts for approximately 75...
Peripheral Nervous System: Ganglia and Nerves
Nerves
The nerve is a bundle of axons that serves as the communication highway in the PNS. Each nerve is ensheathed in a protective layer of connective tissue called the epineurium. This outermost layer safeguards the nerve and supports...
Sympathetic Pathways: Sympathetic Chain Ganglia
The postganglionic neurons of the sympathetic trunk...
Arteries of the Head and Neck
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
Veins of Head and Neck
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
Autonomic Nervous System: Overview

