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Case Reports
. 1991 Feb;44(2):105-117.
doi: 10.1016/0304-3959(91)90124-G.

Post-herpetic neuralgia: further post-mortem studies of cases with and without pain

C P N Watson  1 , J H Deck, C Morshead, D Van der Kooy, R J Evans
Affiliations
Case Reports

Post-herpetic neuralgia: further post-mortem studies of cases with and without pain

C P N Watson et al. Pain. 1991 Feb.

Abstract

The pathological features associated with post-herpetic neuralgia require further study. We report here 5 cases, 3 with severe post-herpetic neuralgia (PHN) and 2 with no persistent pain. The findings of dorsal horn atrophy and cell, axon and myelin loss with fibrosis in the sensory ganglion were found only in patients with persistent pain. Marked loss of myelin and axons in the nerve and/or sensory root were found in cases with and without pain. Some evidence is presented for a more generalized subacute or chronic inflammatory process which may explain the clinical features of some patients. Further studies will be necessary to fully describe the morbid anatomy of this disorder.

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