Choroid fissure cyst

Case contributed by Dr Sagar Shetty

Presentation

History of headache for investigation.

Patient Data

Age: 15 years
Gender: Male
MRI

A well defined rounded cystic lesion which is hyperintense on T2 and hypointense on T1 and FLAIR sequence is seen along the right choroid fissure. It does not show restricted diffusion on DWI. No evidence of surrounding oedema or gliosis. This was an incidental finding and almost certainly not related to headaches. 

Case Discussion

Choroidal fissure cyst are benign intracranial cyst seen in the region of the choroid fissure. They are mostly asymptomatic and detected incidentally. They follow CSF density on all pulse sequences.  Calcification and contrast enhancement are absent. The cysts are usually quite round to oval and seen paralleling the long axis of the temporal lobe and choroid fissure on sagittal images.

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Case information

rID: 49936
Case created: 10th Dec 2016
Last edited: 12th Dec 2016
Inclusion in quiz mode: Included

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