case_images: PMC5991265_01
case_images: CT scan illustrating the extent and the location of the suppurative collection. (a) Transverse plane; (b) sagittal plane reconstruction; (c) coronal plane reconstruction
case_images: SNI-9-104-g001.jpg
case_images: PMC5991265_01_SNI-9-104-g001.jpg
case_images: F1
case_images: The scan revealed a multilobular cystic lesion with peripheral contrast enhancement, located in the subdural space of the posterior fossa, in contact with the tentorium cerebelli superiorly [Figure 1].
case_images: Preoperative MRV showing the deficient filling of the left transverse and sigmoid sinuses
case_images: SNI-9-104-g002.jpg
case_images: PMC5991265_01_SNI-9-104-g002.jpg
case_images: F2
case_images: MRV revealed diminished flow through the left transverse sinus and no flow through the left sigmoidal sinus [Figure 2], and these findings were consistent with sinus thrombosis.
case_images: Postoperative (26 days following the operation) MRI (T1 weighted) documenting the successful evacuation of the purulent collection. (a) Transverse plane; (b) sagittal plane; (c) coronal plane
case_images: SNI-9-104-g003.jpg
case_images: PMC5991265_01_SNI-9-104-g003.jpg
case_images: F3
case_images: Follow-up MRI scan documented the successful evacuation of the empyema and subsiding inflammation [Figure 3].