Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Σάββατο 4 Αυγούστου 2018

Sensory ganglionopathy associated with drug-induced hypersensitivity syndrome caused by mexiletine

Although various causes are reported for sensory ganglionopathy, drug-induced hypersensitivity syndrome (DIHS) has not been considered a possibility. We describe a 70-year-old woman, previously administered mexiletine hydrochloride for 4 weeks, who presented with systemic oedematous erythema and subacute progressive gait disturbance. Evaluation revealed lymphadenopathy with atypical lymphocytosis and eosinophilia, and human herpesvirus 6 (HHV-6) reactivation. Neurological examination indicated the almost complete loss of joint positional sense in her extremities; her tendon reflex was lost and there was marked pseudoathetosis and Romberg's sign. Skin biopsy revealed spongiosis with lymphocyte infiltration. Based on these findings, we diagnosed acute sensory ganglionopathy secondary to DIHS. Although her DIHS-induced symptoms subsided after methylprednisolone treatment, partial remission of sensory ganglionopathy occurred, even after subsequent intravenous immunoglobulin therapy. This case suggests the possibility that reactivation of HHV-6 may be involved in the pathomechanism of sensory ganglionopathy.



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