Trigeminal neuralgia laboratory findings: Difference between revisions
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* A) Recurrent paroxysms of unilateral facial pain in the distribution(s) of one or more divisions of the trigeminal nerve, with no radiation beyond, and fulfilling criteria B and C | * A) Recurrent paroxysms of unilateral facial pain in the distribution(s) of one or more divisions of the trigeminal nerve, with no radiation beyond, and fulfilling criteria B and C | ||
* B) Pain has all of the following characteristics: | * B) Pain has all of the following characteristics: | ||
Lasting from a fraction of a second to two minutes | ** Lasting from a fraction of a second to two minutes | ||
** Severe intensity | |||
** Electric shock-like, shooting, stabbing or sharp in quality | |||
* C) Precipitated by innocuous stimuli within the affected trigeminal distribution | * C) Precipitated by innocuous stimuli within the affected trigeminal distribution | ||
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===== The ICHD-3 further defines several subtypes of TN :<ref name="pmid29368949">{{cite journal |vauthors= |title=Headache Classification Committee of the International Headache Society (IHS) The International Classification of Headache Disorders, 3rd edition |journal=Cephalalgia |volume=38 |issue=1 |pages=1–211 |date=January 2018 |pmid=29368949 |doi=10.1177/0333102417738202 |url=}}</ref> ===== | ===== The ICHD-3 further defines several subtypes of TN :<ref name="pmid29368949">{{cite journal |vauthors= |title=Headache Classification Committee of the International Headache Society (IHS) The International Classification of Headache Disorders, 3rd edition |journal=Cephalalgia |volume=38 |issue=1 |pages=1–211 |date=January 2018 |pmid=29368949 |doi=10.1177/0333102417738202 |url=}}</ref> ===== | ||
# Classic (or classical) TN, | # Classic (or classical) TN, caused by neuromuscular compression. | ||
# Secondary TN, defined as TN caused by an underlying disease. Recognized causes include multiple sclerosis, cerebellopontine angle tumor, and arteriovenous malformation. | # Secondary TN, defined as TN caused by an underlying disease. Recognized causes include multiple sclerosis, cerebellopontine angle tumor, and arteriovenous malformation. | ||
# Idiopathic TN, defined as TN with neither electrophysiological tests nor MRI showing significant abnormalities. | # Idiopathic TN, defined as TN with neither electrophysiological tests nor MRI showing significant abnormalities. | ||
Revision as of 14:34, 30 June 2018
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Diagnostic Criteria
The International Classification of Headache Disorders, Third Edition (ICHD-3) diagnostic criteria for TN are as follows:[1]
- A) Recurrent paroxysms of unilateral facial pain in the distribution(s) of one or more divisions of the trigeminal nerve, with no radiation beyond, and fulfilling criteria B and C
- B) Pain has all of the following characteristics:
- Lasting from a fraction of a second to two minutes
- Severe intensity
- Electric shock-like, shooting, stabbing or sharp in quality
- C) Precipitated by innocuous stimuli within the affected trigeminal distribution
- D) Not better accounted for by another ICHD-3 diagnosis
The ICHD-3 further defines several subtypes of TN :[1]
- Classic (or classical) TN, caused by neuromuscular compression.
- Secondary TN, defined as TN caused by an underlying disease. Recognized causes include multiple sclerosis, cerebellopontine angle tumor, and arteriovenous malformation.
- Idiopathic TN, defined as TN with neither electrophysiological tests nor MRI showing significant abnormalities.