CSF fistula

Case contributed by Dr Mostafa Mahmoud El Feky

Presentation

Left nasal rhinorrhea

Patient Data

Age: 35
Gender: Female
CT

CT paranasal sinuses

Normal paranasal sinuses CT scan. No appreciable bony defect can be seen.

MRI

MRI paranasal sinuses

CSF fluid signal tracking is noted through the left side of cribriform plate extending to the left ethmoid air cells.

Case Discussion

CSF rhinorrhoea refers to CSF leakage extracranially into paranasal sinusesdue to osseous or dural defect of the skull base. MRI is the preferred diagnostic modality, where coronal reformations can depict the osseous defects with a greater degree of accuracy as well as 3D high resolution T2W sequences (CISS) and MIP reconstruction can detect the leak tract accurately. CT can be normal in cases with minor defect.

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Case information

rID: 54669
Case created: 21st Jul 2017
Last edited: 8th Aug 2017
Inclusion in quiz mode: Included

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