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Year : 2001  |  Volume : 49  |  Issue : 3  |  Page : 323

Cerebellopontine angle meningioma with acquired chiari and syringomyelia : neuroimage.


Department of Neurosurgery, C.N. Centre, All India Institute of Medical Sciences, New Delhi-110029, India.

Correspondence Address:
Department of Neurosurgery, C.N. Centre, All India Institute of Medical Sciences, New Delhi-110029, India.
sarat@medinst.ernet.in



How to cite this article:
Jaiswal A K, Chandra P S. Cerebellopontine angle meningioma with acquired chiari and syringomyelia : neuroimage. Neurol India 2001;49:323


How to cite this URL:
Jaiswal A K, Chandra P S. Cerebellopontine angle meningioma with acquired chiari and syringomyelia : neuroimage. Neurol India [serial online] 2001 [cited 2019 Sep 17];49:323. Available from: http://www.neurologyindia.com/text.asp?2001/49/3/323/1227



Cerebellopontine Angle Meningioma with Acquired Chiari and Syringomyelia : Neuroimage
A 30 year old female presented with headache of 5 years duration with gait ataxia and wasting of the muscles of the arm for 6 months and vomiting for 1 month. Clinical examination revealed bilateral papilloedema, bilateral gaze evoked nystagmus, subtle right facial nerve paresis and marked right sided cerebellar signs. Senosory examination revealed a dissociated hypoaesthesia starting from the peripheral part of the face until C5 dermatome. There was wasting and fasciculations over the biceps and brachialis muscles. The biceps and the supinator jerks were sluggish but all other deep tendon reflexes were exaggerated. MRI [Figure. 1a] and Figure 1b) revealed a large right cerebellopontine angle extraaxial tumour, isodense on T1WI, becoming hyperintense on T2WI. Sagittal sections showed a descent and plugging of the cerebellar tonsils at the foramen magnum, with presence of a syringomyelia extending from the cervicomedullary junction till C3 segment [Figure. 1b]. However, some signal changes probably suggestive of myelomalacia could be made out till the C5 spinal segment. A retromastoid suboccipital craniectomy was performed. The rim of the foramen was also removed. A soft to moderately firm vascular tumour was encountered, which was totally excised. Following surgery, there was a near total improvement of the facio-brachial hypoaesthesia. The histopathological report of the tumour was suggestive of meningothelial meningioma [Figure. 2] The case is interesting not only for the unusual MRI but also for its clinical correlation.

 

 

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