Figure 1 - uploaded by Peter Blumbergs
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Brain CT on day 10 showing multiple areas of cerebral haemorrhage. Figure 2 Brain CT 1 month postdischarge showing complete resolution of the haemorrhagic cerebral lesions.
Context in source publication
Context 1
... the ninth post-operative day she complained of dizziness, blurred vision, and headache and the next day she was transiently dysphasic. Brain CT disclosed multiple superficial and deep haemorrhages in both hemispheres (fig 1). There were no cutaneous or systemic bleeding manifestations at this or any other time. ...
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Citations
... An important consideration is the path of travel of the vein since its superficial nature can make it susceptible to injury as it is not protected by muscle or bone along its course. For example, blunt force trauma or significant external pressure to the left side of the neck, left temporal region, or forehead, in this case, can potentially cause venous injury or flow disturbances leading to significant hemorrhage, venous thrombosis, or cerebral venous infarct similar to jugular vein injury from trauma to the neck or improper surgical positioning [14,15]. ...
... Surgical approaches should be carefully planned, and pre-operative vascular imaging was reviewed taking into consideration the location and anatomic relationships of eDVAs to the bony anatomy and soft tissue structures, given the risk of complications in case of iatrogenic obliteration or manipulation [14,16,17]. Given these relevant associations, understanding of eDVAs and their variations is important when considering open or endovascular neurosurgical interventions. ...
Extra-axial developmental venous anomalies (DVAs) are important anatomic structures that contribute to supplemental venous drainage of intracranial contents into the extracranial veins. We present the case of a 35-year-old woman with a sudden-onset severe headache, nausea, and vomiting who was found to have an atraumatic subarachnoid hemorrhage of left frontal convexity. Workup revealed a large anomalous extra-axial vein originating in the right frontal area, traversing the left frontal region, penetrating the left frontal bone just above the supraorbital foramen with likely drainage into the left external jugular vein. This vein could not be classified as an emissary vein given the lack of direct communication with the superior sagittal sinus anterior portion, which was found to be hypoplastic. This case report adds to the literature a description of a previously unreported midline traversing frontal extra-axial vein directly draining frontal lobes with a potential implication in an atraumatic subarachnoid hemorrhage of frontal convexity.
