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What Does My CT Scan Test Report Indicate?

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Posted on Wed, 26 Aug 2015
Question: ct scan report says cerebral tonsilar descent into foramen magnum and mild bilateral high parietal cerebral neuroparenchymal atrophy
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Answered by Dr. Indu Kumar (28 minutes later)
Brief Answer:
Cerebellar tonsil descent may be an incidental finding.

Detailed Answer:
Hello

Your findings may suggest downward migration of cerebellar tonsils through the foramen magnum.It may cause compression of the lower brain stem and upper cervical spinal cord.
It can't be cerebral tonsil as mentioned in your query,it should be cerebellar(Please confirm it).
Descend at least 5 mm or more below the level of the foramen magnum is considered as significant.
It may cause symptoms like increased CSF pressure,headache,neck stiffness etc.It may cause hydrocephalus also.

It may also be an incidental finding and diagnosed during investigations done for other purpose.

I presume that you don't have any symptoms(as nothing is mentioned in your query) and it may be an incidental finding.

Findings also suggests mild cerebral atrophy in bilateral high parietal region.This is an expected finding in every person with aging.
With age advancement there is shrinkage and loss of brain parenchyma which allows gyri and sulci to become prominent.
Atrophy is mild in your case and this is acceptable.
Findings need clinical correlation.

Get well soon.
Hope I have answered your question.
Further queries are most welcome.

Take Care
Dr.Indu XXXXXXX
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Indu Kumar

Radiologist

Practicing since :2004

Answered : 6728 Questions

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What Does My CT Scan Test Report Indicate?

Brief Answer: Cerebellar tonsil descent may be an incidental finding. Detailed Answer: Hello Your findings may suggest downward migration of cerebellar tonsils through the foramen magnum.It may cause compression of the lower brain stem and upper cervical spinal cord. It can't be cerebral tonsil as mentioned in your query,it should be cerebellar(Please confirm it). Descend at least 5 mm or more below the level of the foramen magnum is considered as significant. It may cause symptoms like increased CSF pressure,headache,neck stiffness etc.It may cause hydrocephalus also. It may also be an incidental finding and diagnosed during investigations done for other purpose. I presume that you don't have any symptoms(as nothing is mentioned in your query) and it may be an incidental finding. Findings also suggests mild cerebral atrophy in bilateral high parietal region.This is an expected finding in every person with aging. With age advancement there is shrinkage and loss of brain parenchyma which allows gyri and sulci to become prominent. Atrophy is mild in your case and this is acceptable. Findings need clinical correlation. Get well soon. Hope I have answered your question. Further queries are most welcome. Take Care Dr.Indu XXXXXXX