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KMID : 0355220100350010093
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Journal of Korean Academy Oral Medicine
2010 Volume.35 No. 1 p.93 ~ p.99
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Case report : Postherpetic Neuralgia
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Bae Kook-Jin
Ahn Jong-Mo
Yoon Chang-Lyuk
Cho Young-Gon
Ryu Ji-Won
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Abstract
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Herpes zoster (HZ) is the secondary manifestation of an earlier infection with the varicella-zoster virus in one or more dermatomes. As reactivation of the virus is linked to an age-related diminished virus-specific and cell-mediated immunity, HZ develops mainly in elderly people. Acute zoster is painful, but does not incur lasting morbidity. Reactivation of the varicella-zoster virus in the trigeminal nerve (Herpes zoster) occur with severe pain and rash in the oro-facial region. The acute pain decreases as the rash begins to heal.
Postherpetic neuralgia(PHN), the most frequent complication of herpes zoster, is usually defined as pain in the involved dermatome that is still present 3 month after rash onset.
The clinical characteristics of PHN are, eposodic stabbing pain, burning pain and allodynia, with hypoesthesia and/or dysesthesia.
Neurometer®(neuroselective sensory nerve conduction threshold: sNCT, Automated current perception threshold: CPT, neurotron incorporated. Baltimore, Maryland. 21209 U.S.A.) is convenient, rapid and noninvasive, and allows objective assessment of sensory disturbance.
This case is about the postherptic neuralgia patient assessed with Neurometer®. From this case, we reviewed the pathophysiology and the treatment of PHN and recommend the assessment of pain intensity with Neurometer® as quantitative and objective method.
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KEYWORD
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Herpes zoster, Postherpetic Neuralgia, Current perception threshold, Neurometer
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