Bilateral thalamic glioma.
Department of Neuroradiology, University Hospital Coventry and Warwickshire NHS Trust, Clifford Bridge Road, Coventry CV2 2DX, England.Archives of neurology (Impact Factor: 7.58). 01/2009; 65(12):1666-7. DOI: 10.1001/archneur.65.12.1666
- Acta Neurochirurgica 03/2012; 154(5):895-7. · 1.55 Impact Factor
Article: Bilateral thalamic lesions.[Show abstract] [Hide abstract]
ABSTRACT: Bilateral thalamic lesions are rare and relatively obscure neoplasms. We present our experience with nine cases of bilateral thalamic lesions and attempt to analyse them in the background of available literature. Retrospective analyses of the case records of 9 cases of bilateral thalamic lesions treated in our department since January 2002, which have a minimum of 1 year follow-up. The study group included four males and five females with a mean age of 14.6 years (5 years to 29 years). Seven of these patients had radiological evidence of bilateral thalamic lesions at presentation and 2 patients had involvement of the opposite thalamus at a later stage of the disease. All patients except one presented with raised intracranial pressure symptoms. Focal motor deficits (4/9), behavioral and memory disturbances (3/9) were the other major presenting symptoms. Biopsy confirmation was possible in six patients and histopathology was suggestive of low grade fibrillary astrocytoma in all six patients. Seven patients required CSF diversion procedure for associated hydrocephalus. Eight of our nine patients underwent radiotherapy. On last follow-up, 3 patients were clinically stable with images suggestive of arrested disease, four patients had evidence of progressive disease both clinically and radiologically and there were two recorded cases of mortality. Primary bilateral thalamic lesions have characteristic neuroradiological properties and are distinct from unilateral thalamic tumours with bilateral progression. Almost all of these lesions on histology prove to be gliomas but decompressive surgery is seldom feasible. Surgical intervention is limited to biopsy and CSF diversion for hydrocephalus. Bilateral thalamic lesions remain unresponsive to adjuvant therapy and generally carry a poor prognosis.British Journal of Neurosurgery 10/2010; 24(5):566-71. · 0.86 Impact Factor
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ABSTRACT: Bithalamic gliomas are extremely rare tumors of central nervous system. Although they are usually benign in nature, their outcome is poor because of the involvement of thalamic nuclei and inadequate surgical excision. Surgery is usually done to get tissue for diagnosis. Role of radiotherapy and chemotherapy is questionable. They are unique in their metabolic and neuroradiological properties. We report herein a 6-year-old male of bithalamic astrocytoma (WHO grade 2) who presented with raised intracranial pressure and tremors in right upper limb. The child had a very huge bithalamic mass which was debulked through the interhemispheric transcallosal approach in order to reduce the mass effect. He had a stormy post-operative course to recover gradually.Journal of Pediatric Neurosciences 01/2010; 5(1):45-8.
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