Cervicogenic Headache

Cervicogenic Headache - The Basics

By Teri Robert
Cervicogenic headache, in a way, is one of the most unusual headache disorders because the pain truly isn’t in the head. Cervicogenic headache is referred pain (pain perceived as occurring in a part of the body other than its true source) perceived in the head from a source in the neck. Cervicogenic headache is a secondary headache, which means that it is caused by another illness or physical issue. In the case of cervicogenic headache, the cause is a neck disorder or lesion.
Information and diagnostic criteria for cervicogenic headache from the International Headache Society's International Classification of Headache Disorders, 2nd Edition (ICHD-II) offers us a clear look at the symptoms of cervicogenic, how it’s diagnosed, and how it’s treated:
11.2 Headache attributed to disorder of the neck1
11.2.1 Cervicogenic headache
Previously used term:
Cervical headache
Coded elsewhere:
Headache causally associated with cervical myofascial tender spots is coded as 2.1.1 Infrequent episodic tension-type headache associated with pericranial tenderness, 2.2.1 Frequent episodic tension-type headache associated with pericranial tenderness or 2.3.1 Chronic tension-type headache associated with pericranial tenderness.
Diagnostic criteria:
  1. Pain, referred from a source in the neck and perceived in one or more regions of the head and/or face, fulfilling criteria C and D
  2. Clinical, laboratory and/or imaging evidence of a disorder or lesion within the cervical spine or soft tissues of the neck known to be, or generally accepted as, a valid cause of headache1
  3. Evidence that the pain can be attributed to the neck disorder or lesion based on at least one of the following:
    1. demonstration of clinical signs that implicate a source of pain in the neck2
    2. abolition of headache following diagnostic blockade of a cervical structure or its nerve supply using placebo- or other adequate controls3
  4. Pain resolves within 3 months after successful treatment of the causative disorder or lesion
  1. Tumours, fractures, infections and rheumatoid arthritis of the upper cervical spine have not been validated formally as causes of headache, but are nevertheless accepted as valid causes when demonstrated to be so in individual cases. Cervical spondylosis and osteochondritis are NOT accepted as valid causes fulfilling criterion B. When myofascial tender spots are the cause, the headache should be coded under 2. Tension-type headache.
  2. Clinical signs acceptable for criterion C1 must have demonstrated reliability and validity. The future task is the identification of such reliable and valid operational tests. Clinical features such as neck pain, focal neck tenderness, history of neck trauma, mechanical exacerbation of pain, unilaterality, coexisting shoulder pain, reduced range of motion in the neck, nuchal onset, nausea, vomiting, photophobia etc are not unique to cervicogenic headache. These may be features of cervicogenic headache, but they do not define the relationship between the disorder and the source of the headache.
  3. Abolition of headache means complete relief of headache, indicated by a score of zero on a visual analogue scale (VAS). Nevertheless, acceptable as fulfilling criterion C2 is equal to or more than 90% reduction in pain to a level of less than 5 on a 100-point VAS.
Diagnosing cervicogenic headache:
In diagnosing cervicogenic headache, doctors look for the actual source of the pain. Nerve blocks are often used for this purpose. By administering nerve blocks, the doctor can determine which nerve is causing the pain. To confirm the diagnosis of cervicogenic headache, the headache must be relieved by nerve blocks.
Treating cervicogenic headache:
Treatment for cervicogenic headache should target the cause of the pain (in the neck) and varies depending upon what works best for the individual patient. Treatments include nerve blocks, physical therapy and exercise, Botox injections, and medications. Physical therapy and an ongoing exercise regimen often produce the best outcomes.
1 International Headache Society. "International Classification of Headache Disorders, 2nd Edition" (ICHD-II), First Revision. May, 2005.
2 Silberstein, Stephen D.; Lipton, Richard B.; Dodick, David W. Wolff's Headache and Other Head Pain. New York. Oxford Press. 2008.
© Teri Robert, 2010 - Present. Last updated February 20, 2012.
Cervicogenic Headache – The Basics. Written by Teri Robert and published on The HealthCentral network. Copyright 2004 - Present, Teri Robert. All rights reserved. http://www.healthcentral.com/migraine/types-of-headaches-531077-5.html. Last updated February 20, 2012. Medical review by John Claude Krusz, PhD, MD.



Cervicogenic Headaches

By: Christy Jackson, MD and Andrew Blumenfeld, MD 
Numerous pain sensitive structures exist in the cervical and occipital regions. The junction of the skull and cervical vertebrae have regions that are pain generating, including the lining of the cervical spine, the joints, ligaments, cervical nerve roots and vertebral arteries passing through the cervical vertebral bodies. Unilateral headaches may emanate from this region and are often misdiagnosed leading to numerous costly examinations and frustration for the patient and physician.
In the following 2 cases, a form of occipital headache known as cervicogenic headache will be described.
Case #1
A 52 year old white female with past history of intractable migraine was referred to me for a third opinion of intractable headache.
The patient had suffered from lifelong migraine without aura and migraine with aura. She had been under the treatment of headache specialists and over the years had significant success with decreased headache frequency and severity, although headaches persisted. Multiple prophylactic medications had been employed as well as most of the known abortive medications.
Upon history, the patient stated that the pain was daily and started in the morning with pain from the occipital region spreading to the angle of the jaw on the right side. She also experienced retro-orbital pain. MRI and CT of the brain had been found to be normal.
The exam revealed a thin female with a long and thin neck. She had tenderness over the suboccipital region on the right, diminished range of motion of her neck and a significant amount of spasm in the neck and shoulder musculature. Otherwise, the neurologic exam was normal.
An occipital nerve block using a steroid and local analgesic was performed on the right occipital region while the patient was in my office. The patient noted a decrease in the amount of pain after about 5 minutes. The pain at the angle of the jaw also resolved. The next course of treatment employed a physical therapist who identified postural issues which contributed to her muscular spasm and with a home exercise program the headache have resolved.
Case #2
A 61 year old male with a remote history of migraine came to see me for complaints of pain above his left eye, ongoing for several years. This headache he stated was different from his migraine as it was only occurring on the left side and occurred mostly above his left eye. Upon detailed questioning, he stated the headache would begin at the left occipital ridge and spread up over the top of his head to the region above his left eye. No inciting event could be discovered. He had been evaluated and actually treated for cluster headache without success. The headache would last all day, every day and was often worse in the morning when he arose from sleep. He had occasional phonophobia with the headache, but no other migrainous features. His evaluation had included MRI of the Brain with normal results. On exam he had a normal neurological exam. Exam of his spine revealed mild curvature of the thoracic spine and an elevated shoulder on his right. Point tenderness was found at the left occipital ridge which reproduced a portion of his pain.
An occipital nerve block was delivered to the left occipital nerve and the patient was pain free for over one month. He returned for a second nerve block two months later, which again resolved the pain. Spinal Xray has revealed a very mild scoliosis of his thoracic spine. Evaluation by Orthopedics recommended physical therapy and no surgical intervention. He is currently in a physical therapy program to strengthen the shoulder and neck musculature. He has remained headache free for over 4 months.
Unilateral headaches originating in the cervical and occipital regions coupled with limited range of motion, reproduction of the pain with positional maneuvers and relief of the pain from a diagnostic occipital nerve block may point to a form of headache known as cervicogenic headache. The concept of cervicogenic headache is somewhat controversial with different criteria for diagnosis among the International Headache Society and the Cervicogenic Headache International Study Group. Both societies agree that headaches can result from pathology in the neck region from many of the pain sensitive structures. As many patients suffering from migraine also have unilateral pain which often begins in the occipital region, this headache subtype may be overdiagnosed.
A local anesthetic block may help in the diagnosis of cervicogenic headache. In the cases presented, the patient’s headaches resolved with the office procedure. Diagnostic studies then revealed significant arthritic degeneration in the upper cervical spine. A course of aggressive physical therapy along with postural changes and medications to reduce cervical spasm and inflammation provided the patients with significant relief.
In some cases, a series of occipital nerve blocks is required, and if the conservative treatment plan does not relieve the pain, trials of occipital nerve radiofrequency ablation or even occipital nerve stimulator placements have been successful.
In case #1, the features of the headache occurring always on one side of the occipital region, coupled with pain radiating to the angle of the jaw led to suspicion for a headache originating among the pain sensitive structures of the neck. The original migraine headaches had been well treated by prior headache specialists, and the current headache was somewhat different and did not meet normal diagnostic criteria for migraine. In case #2, the headaches also had a few migrainous qualities, but did not meet the criteria for migraine any longer. In patients with a long history of migraine, a fresh look at the origin of the pain may be warranted. In these 2 cases, the unilateral and side locked headache stemmed from pain sensitive structures in the neck which ultimately were revealed to be degenerative in nature and amenable to physical therapy to strengthen and mobilize the neck and shoulder region.
Christy Jackson, MD, Scripps Clinic Torrey Pines, La Jolla, CA.; Andrew Blumenfeld, MD, The Headache Center of Southern California, Del Mar, CA.


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