I had a ct scan report came back as follows, mid line structure are central no cortical area of infarction, no intracranial haemorrhage seen. In the posterior fossa however the appearances are likely suggestive of relatively low position of cerebellar tonsils with possible tonsillar herniation through foramen magnum" I am due to have MRI next week, is this very serious I am female aged 45 .
Hi, Thanks for choosing healthcaremagic. The statement no intracranial hemorrhage is a normal statement which states that there is no hemorrhage in your brain and its a normal statement. The thing which is of worry is relatively low positionof cerebellar tonsils with possible herniation. It suggests that your cerebellum is slightly low in position. MRI is advised for assessing it as we can see the posterior fossa/cerebellum in all planes and assess accurately. Usually it occurs in a condition called Arnold Chiari Malformation which has 4 subtypes. In your case, most likely it will be type I which is the lowest grade subtype. Usually patients do not have sypmtoms and are incidentally detected as in your case. So its better to get an MRI done and assess the subtype/ grading. Also, I think there is nothing much to worry as it was not very evident on CT and should not be more than typ I even if it is present. Hope it sorts your problem. Regards, Dr. Pankaj Nagori Specialist Radiologist
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What Does No Intracranial Hemorrhage Mean?
Hi, Thanks for choosing healthcaremagic. The statement no intracranial hemorrhage is a normal statement which states that there is no hemorrhage in your brain and its a normal statement. The thing which is of worry is relatively low positionof cerebellar tonsils with possible herniation. It suggests that your cerebellum is slightly low in position. MRI is advised for assessing it as we can see the posterior fossa/cerebellum in all planes and assess accurately. Usually it occurs in a condition called Arnold Chiari Malformation which has 4 subtypes. In your case, most likely it will be type I which is the lowest grade subtype. Usually patients do not have sypmtoms and are incidentally detected as in your case. So its better to get an MRI done and assess the subtype/ grading. Also, I think there is nothing much to worry as it was not very evident on CT and should not be more than typ I even if it is present. Hope it sorts your problem. Regards, Dr. Pankaj Nagori Specialist Radiologist