Here's a list of terms that one might run into while learning about Chiari.
...also referred to as acquired intracranial herniation, refers to shift of brain tissue from its normal location, into an adjacent space as a result of mass effect. 6
...indicates an inferior position of the cerebellar tonsils. 4
...the fluid that flows in and around the hollow spaces of the brain and spinal cord, and between two of the meninges (the thin layers of tissue that cover and protect the brain and spinal cord). 10
...is a problem in which a part of the brain (the cerebellum) at the back of the skull bulges through a normal opening in the skull where it joins the spinal canal. 5
...is a special MRI study used to observe cerebrospinal fluid (CSF) flow. 2
...is an excessive buildup of CSF in the brain. 9
...is a common sleep disorder that can make it hard to fall asleep, hard to stay asleep, or cause you to wake up too early and not be able to get back to sleep. 11
...is a radiographic line drawn on a lateral skull radiograph or on a midsagittal section of CT or MRI that connects the anterior and posterior margins of the foramen magnum (basion to opisthion). 1
...a procedure in which radio waves and a powerful magnet linked to a computer are used to create detailed pictures of areas inside the body. 3
...is a sideways curvature of the spine that most often is diagnosed in adolescents. 8
...is the incomplete closing of the backbone and membranes around the spinal cord. 14
... is a disorder in which a CSF-filled tubular cyst called a syrinx, forms within the spinal cord’s central canal. 12
... is a disorder in which a CSF-filled tubular cyst called a syrinx, forms within the spinal cord’s central canal. 15
...is a neurological disorder caused by tissue attachments that limit the movement of the spinal cord within the spinal column. 13
...is when you experience ringing or other noises in one or both of your ears. 7
1 Venkatesh, M., & Jones, J. (n.d.). McRae line: Radiology reference article. Radiopaedia Blog RSS. Retrieved September 11, 2021, from https://radiopaedia.org/articles/mcrae-line.
2 Dpb. (2020, January 14). Cine MRI. ASAP » American Syringomyelia & Chiari Alliance Project. https://asap.org/disorders/articles/cine-mri/
3 NCI dictionary of Cancer TERMS. National Cancer Institute. (n.d.). Retrieved September 13, 2021, from https://www.cancer.gov/publications/dictionaries/cancer-terms/def/mri.
4 Cerebellar tonsillar ECTOPIA: Fort worth brain and Spine Institute. Fort Worth Brain and Spine Institute | Dedicated to providing excellent, quality healthcare, Fort Worth Brain & Spine Institute strives to exceed our patients' need everyday. (2020, December 29). Retrieved September 13, 2021, from https://fwbsi.com/cerebellar-tonsillar-ectopia/.
5 Chiari malformation type i. Johns Hopkins Medicine. (n.d.). Retrieved September 13, 2021, from https://www.hopkinsmedicine.org/health/conditions-and-diseases/chiari-malformation-type-i.
6 Dawes, L. (n.d.). Brain Herniation: Radiology Reference Article. Radiopaedia Blog RSS. Retrieved September 13, 2021, from https://radiopaedia.org/articles/brain-herniation-1?lang=us.
7 Mayo Foundation for Medical Education and Research. (2021, February 4). Tinnitus. Mayo Clinic. Retrieved September 13, 2021, from https://www.mayoclinic.org/diseases-conditions/tinnitus/symptoms-causes/syc-20350156?utm_source=Google&utm_medium=abstract&utm_content=Tinnitus&utm_campaign=Knowledge-panel.
8 Mayo Foundation for Medical Education and Research. (2021, August 3). Scoliosis. Mayo Clinic. Retrieved September 13, 2021, from https://www.mayoclinic.org/diseases-conditions/scoliosis/symptoms-causes/syc-20350716?utm_source=Google&utm_medium=abstract&utm_content=Scoliosis&utm_campaign=Knowledge-panel.
9 Hydrocephalus. (n.d.). National Institute of Neurological Disorders and Stroke. https://www.ninds.nih.gov/health-information/disorders/hydrocephalus#:~:text=What%20is%20hydrocephalus%3F,pressure%20on%20the%20brain's%20tissues.
10 NCI Dictionary of Cancer terms. National Cancer Institute. (n.d.). Retrieved September 14, 2021, from https://www.cancer.gov/publications/dictionaries/cancer-terms/def/cerebrospinal-fluid.
11 Mayo Foundation for Medical Education and Research. (2016, October 15). Insomnia. Mayo Clinic. Retrieved September 14, 2021, from https://www.mayoclinic.org/diseases-conditions/insomnia/symptoms-causes/syc-20355167.
12 Syringobulbia. NORD (National Organization for Rare Disorders). (n.d.). Retrieved September 14, 2021, from https://rarediseases.org/rare-diseases/syringobulbia/#:~:text=Syringobulbia%20is%20a%20neurological%20dsorder,facial%20palsies%20of%20various%20kinds.
13 U.S. Department of Health and Human Services. (n.d.). Tethered spinal cord syndrome information page. National Institute of Neurological Disorders and Stroke. Retrieved September 14, 2021, from https://www.ninds.nih.gov/Disorders/All-Disorders/Tethered-Spinal-Cord-Syndrome-Information-Page.
14 Spina bifida - Symptoms and causes - Mayo Clinic. (2023, December 19). Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/spina-bifida/symptoms-causes/syc-20377860
15 Professional, C. C. M. (n.d.). Syringomyelia. Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/6126-syringomyelia
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