Acta Neurol Belg (2017) 117:769–770 DOI 10.1007/s13760-016-0728-9 LETTER TO THE EDITOR Sensory deafferentation syndromes: a case of Charles Bonnet and musical ear syndrome 1 1 1 • • • Alexander Van Ranst Vincent Keereman Dimitri Hemelsoet Veerle De Herdt Received: 3 October 2016 / Accepted: 22 November 2016 / Published online: 16 January 2017 Belgian Neurological Society 2017 Introduction recovered well. She is known with severe bilateral age- related macular degeneration (ARMD) and a symmetrical Charles Bonnet syndrome (CBS) and its auditory coun- neurosensorial hearing loss of 60 dB. On clinical exami- terpart, the musical ear syndrome (MES), are both deaf- nation, there are no signs of psychosis or intoxication. ferentation syndromes . Visual sensory deafferentation Sequelae of the thalamic stroke are present as a slight leads to disinhibition of visual cortical regions that subse- decrease in strength of her left arm and leg. She scores quently show spontaneous neuronal activity [1, 2]. The maximal on the Mini-Mental Status Examination. CT scan same principle applies to auditory sensory deprivation . shows no intracranial bleeding. She is admitted to the The most commonly applied diagnostic criterion for CBS neurology department for further examination. Brain MRI includes the clinical triad of
Acta Neurologica Belgica – Springer Journals
Published: Jan 16, 2017
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