vein of trolard thrombosis radiology

This abnormal signal intensity was not visualized by using any other pulse sequence, including diffusion-weighted imaging. 39 Special mention needs to be done to the variable anatomy of superficial venous collectors, particularly the superficial middle cerebral vein, the vein of Labbé and the vein of Trolard. MR angiography showed no evidence of an underlying vascular lesion. Patient 2, a 46-year-old woman with headaches and cortical venous thrombosis. Fluid-attenuated inversion recovery (FLAIR) images demonstrated abnormally increased signal intensity within the sulci at the right convexity, most compatible with SAH (Fig 1A). B, Right parasagittal T1-weighted (367/14) MR image shows luminal hyperintensity (large arrow), representing thrombus, in a right convexity cortical vein, probably the vein of Trolard. We do not capture any email address. Thrombosis of the vein of Labbe is uncommon. J Stroke Cerebrovasc Dis. Thrombosis of the internal cerebral veins, vein of Galen, or straight sinus has been observed in approximately 16% of patients with cerebral venous thrombosis (, 3–, 14). This abnormality was also identified on multiple adjacent sections. Figure 1 Noncontrast CT brain (cephalad to caudad in A–D) revealing bandlike high attenuation suggestive of thrombus along the expected course of the left vein of Labbe (arrows). It drains the lower surface of the hemisphere and the insula. An MR examination of the brain was performed within 24 hours of her initial symptoms. A tubular, serpiginous hyperintense structure on T1- and proton density–weighted images (Fig 1B) was identified adjacent to the area of SAH. Dural venous sinus thrombosis for Radiology & Imaging . Isolated CVT usually manifests on imaging studies as focal parenchymal hemorrhage or edema. 8600 Rockville Pike Follow-up MR imaging was obtained approximately 3 months after the patient’s initial presentation. Summary: Cortical venous thrombosis (CVT) without concomitant dural sinus thrombosis is an uncommon disorder. All three patients in this report showed isolated thrombosis of a cortical vein, probably the vein of Trolard. In adults, thrombosis of cortical veins has bee… MR venography demonstrated patency of the major dural sinuses. FOIA Trolard, by the way, is just a name for a big parietal vein — superior, inferior parietal, whatever. Follow-up MR imaging was obtained approximately 3 months after the patient’s initial presentation. Cerebral venous thrombosis (CVT) is uncommon, representing approximately 0.5% of all cases of cerebrovascular disease worldwide. Prevention and treatment information (HHS), National Library of Medicine A tubular structure of high signal intensity on T1-weighted images was identified adjacent to the SAH (Fig 3C). The Rolando is a named vein, running by definition in the Rolandic sulcus, anterior to Trolard. Superior anastomotic vein (Trolard) connects the SSS and Superficial middle cerebral vein. This vein is responsible for draining blood from the brain. World Neurosurg. This was confirmed by noncontrast CT performed the following day (Fig 3B). Increased FLAIR signal within some parietal and frontal sulci just anterior to the infarct with associated susceptibility weighted artifact, in keeping with a small volume acute sulcal subarachnoid hemorrhage. Thank you for your interest in spreading the word on American Journal of Neuroradiology. Would you like email updates of new search results? FLAIR images from the MR examination showed abnormally high signal intensity in the right central sulcus at the convexity, most compatible with SAH (Fig 2A). With feathered margins in the past, conventional angiography is now rarely required for diagnosis was also maintained on for... 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