A member asked:

Clear mri in july and now in december i have a 12mm cyst in the left choroidal fissure. what is this and can it cause symptoms?

A doctor has provided 1 answer
Dr. John To answered

Double check old MRI: choroidal fissure cyst is a congenital developmental lesion which almost never causes symptoms. It is near the temporal horn of the lateral ventricle and can be easily mistaken for this normal anatomical structure. Make sure the lesion was not present previously on the July MRI. If it really is new, it could be lots of things such as infection (cysticercosis), or neoplasm.

Answered 4/12/2016

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