Cerebrospinal Fluid Leaks: A Case Series of Sinus Opacification on Computed Tomography (CT) Imaging

Kansas Journal of Medicine

article

Andrew Wilson¹  Carissa` Walter²  Lauren Clark³  Peng Shi³  Mitchell Guenther² 

[1] Kansas City University;University of Kansas Medical Center;University of Kansas School of Medicine

关键词: CSF leak;    skull base defect;    sinus opacification;    CT;   

DOI  :  10.17161/kjm.vol15.16299

学科分类：医学（综合）

来源: The University of Kansas Medical Center

【 摘 要 】

Introduction. Cerebrospinal fluid (CSF) leaks occur when fluid seeps through a dural or skull base defect, typically in the nose or ear. CSF leaks are commonly identified and diagnosed by use of computed tomography (CT) and CT cisternogram. CT findings suggestive of a CSF leak include a skull-based bone defect along with opacification of the contiguous sinus. Our study examined a series of CSF leaks on CT imaging to document imaging findings. Methods. A single-institution retrospective review of cases of CSF leak diagnosed by CT maxillofacial or CT cisternogram from 1/1/2008 – 3/12/2018 was performed. Patient demographics, history, imaging findings, and treatment were recorded. Results. Thirty-nine patients met the inclusion criteria for the study. The average age was 51, and a large majority were female (76.9%). Among the 25 patients in which it was reported, the mean size of skull base defect was 0.472 cm. Of the 39 total cases, 27 patients (69.2%) presented with sinus opacification on CT imaging. Conclusions. Radiologists should be aware of the possibility of notable sinus opacification observable on CT when investigating a potential CSF leak. Opacification may vary in both location and size depending on the nature and location of a CSF leak. Further research is needed to draw a correlation between sinus opacification seen on CT scan and the diagnosed origin of a CSF leak.

【 授权许可】

Unknown