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  2. The International Classification of Headache Disorders (ICHD) is a detailed hierarchical classification of all headache-related disorders published by the International Headache Society. [1] It is considered the official classification of headaches by the World Health Organization , and, in 1992, was incorporated into the 10th edition of their ...

  3. Arachnoid cyst - Wikipedia

    en.wikipedia.org/wiki/Arachnoid_cyst

    [13] [14] A left fronto-temporal cyst showed symptoms of alexithymia. [15] Cyst on the right sylvian fissure resulted in new onset of schizophrenia-like symptoms at age 61. [16] A patient with a cyst on the left middle cranial fossa had auditory hallucinations, migraine-like headaches, and periodic paranoia [7]

  4. SUNCT syndrome - Wikipedia

    en.wikipedia.org/wiki/SUNCT_syndrome

    The International Headache Classification established by the International Headache Society criteria for diagnosing SUNCT for therapeutic purposes is: [citation needed] (i) Type of attack – Attacks of unilateral orbital, supraorbital, or temporal areas from stabbing or pulsating pain accompanied by ipsilateral conjunctival injection and ...

  5. Thunderclap headache - Wikipedia

    en.wikipedia.org/wiki/Thunderclap_headache

    A thunderclap headache is a headache that is severe and has a sudden onset. It is defined as a severe headache that takes seconds to minutes to reach maximum intensity. [1] [2] Although approximately 75% are attributed to "primary" headachesheadache disorder, non-specific headache, idiopathic thunderclap headache, or uncertain headache disorder—the remainder are secondary to other causes ...

  6. Cluster headache - Wikipedia

    en.wikipedia.org/wiki/Cluster_headache

    Cluster headache affects about 0.1% of the general population at some point in their life. [5] Males are affected about four times more often than females. [5] The condition usually starts between the ages of 20 and 50 years, although it can occur at any age. [1] About one in five of adults reports the onset of cluster headache between 10 and ...

  7. Headache - Wikipedia

    en.wikipedia.org/wiki/Headache

    New headache after age 50: Temporal arteritis, mass in brain: Temporal arteritis is an inflammation of vessels close to the temples in older people, which decreases blood flow to the brain and causes pain. May also have tenderness in temples or jaw claudication. Some brain cancers are more common in older people.

  8. Tension headache - Wikipedia

    en.wikipedia.org/wiki/Tension_headache

    Tension headache, stress headache, or tension-type headache (TTH), is the most common type of primary headache. The pain usually radiates from the lower back of the head, the neck, the eyes, or other muscle groups in the body typically affecting both sides of the head. Tension-type headaches account for nearly 90% of all headaches.

  9. Pneumocephalus - Wikipedia

    en.wikipedia.org/wiki/Pneumocephalus

    Pneumocephalus is the presence of air or gas within the cranial cavity.It is usually associated with disruption of the skull: after head and facial trauma, tumors of the skull base, after neurosurgery or otorhinolaryngology, and rarely, spontaneously.