Unable to load your collection due to an error, Unable to load your delegates due to an error. Unauthorized use of these marks is strictly prohibited. HHS Vulnerability Disclosure, Help [1] It serves as an anchor point for several muscles associated with the tongue and larynx. Stylohyoid complex syndrome: a new diagnostic classification [5] Sometimes, compression of the internal jugular vein can also occur and might lead to increased intracranial pressure. Some people also experience tinnitus and neck pain. The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). Contraction of the stylohyoid muscle results in elevation and retraction (posterior movement) of the hyoid bone. [4], A branch of the facial nerve (CN VII) innervates the stylohyoid muscle.[3][5]. Main outcome measure: There are four suprahyoid muscles in total, the other three being the mylohyoid, geniohyoid and digastric muscles. Styloid process shown in red. Indian J Otolaryngol Head Neck Surg. Published in: [12] The enlarged styloid may be visible on an orthopantogram or a lateral soft tissue X ray of the neck. Made of tough cartilage & bone, the complex crosses paths with arteries & nerves in a tight space in, Pain Clinic Chief Stanford Pain, Harvard PhD in computational biology & statistics, Pain physician & PhD computational biologist @StanfordPain Advanced pain interventions with CIPS & FIPP Opinions mine & not medical advice. Posterior surface from the styloid process from the temporal bone. Chen, R., Liang, F., Han, P., Cai, Q., Yu, S., & Huang, X. Surgery through the mouth requires removal of the tonsils , and it can be more difficult for the surgeon to access the styloid process. Stylohyoid complex syndrome includes all lateral neck and/or facial pain conditions resulting from an elongated styloid process, ossified stylohyoid ligament, or elongated hyoid bone. The styloid process is a slender outgrowth at the base of the temporal bone, immediately posterior to the mastoid apex. FOIA Anatomy, head and neck, stylopharyngeus muscles. However, Eagle syndrome is highly treatable, with excellent outcomes for most people who seek treatment. 2008 Mar-Apr;12(2):131-3. Necessary cookies enable core functionality such as security, This group of muscles contains four main muscles: the omohyoid muscle, the sternohyoid muscle, the sternothyroid muscle, and the thyrohyoid muscle. Kamil RJ, Gonik NJ, Lee JS, Shifteh K, Smith RV. National Library of Medicine The internal jugular vein is responsible for draining venous blood from the stylohyoid muscle.