Journal
NEUROPATHOLOGY
Volume 26, Issue 5, Pages 447-454Publisher
BLACKWELL PUBLISHING
DOI: 10.1111/j.1440-1789.2006.00717.x
Keywords
anterior opercular syndrome; basophilic inclusion; frontotemporal dementia; motor neuron disease; Pick's disease
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We report a clinicopathological study of a patient suffering from frontotemporal dementia (FTD) with severe dysarthria and concomitant motor neuron disease (MND). The patient was a 52-year-old woman with almost simultaneous emergence of severe dysarthria and FTD. The severe dysarthria subsequently evolved into anterior opercular syndrome. Motor neuron signs then emerged, and the patient developed akinetic mutism approximately 2 years after the onset of the disease. The patient died of pneumonia after a 7-year clinical illness. Pathologically, severe and widespread degeneration in the frontal and temporal lobes, including the anterior opercular area, limbic system, basal ganglia, spinal cord and cerebellum, and frequent ubiquitin- and tau-negative basophilic inclusions were observed. The pyramidal tracts and anterior horns of the cervical cord also showed marked degeneration. Cases showing basophilic inclusions reported so far have been divided into two groups: early onset FTD and MND with basophilic inclusions. Our case presented clinicopathological features of both FTD and MND, which suggests that cases showing basophilic inclusions may constitute a clinicopathological entity of FTD/MND.
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