2024年6月28日 · CT cerebral venography (also known as a CTV head or CT venogram) is a contrast-enhanced examination with an acquisition delay providing an accurate detailed …

Dural venous sinus thrombosis. Thrombosis re-canalisation. Sinus stenosis or occlusion secondary to tumour invasion (e.g. meningioma) Venous vascular malformations e.g. AVM

2020年1月21日 · This page is meant to discuss more about how to protocol a CT venogram (CTV) of the head. A CT venogram (CTV) is used to evaluate the venous drainage in the brain …

2022年7月6日 · Head and neck infections, including: Mastoiditis, sinusitis, otitis media. Meningitis, cerebral abscess/empyema. Mechanical causes: Traumatic brain injury (especially skull base …

16 slice CT scanners: non-helical axial slices only, no coronal or sagittal reformats recommended. Indications: aneurysm, subarachnoid hemorrhage, AVM. Foramen magnum to vertex, angled …

Scan a HEAD WO CONTRAST before CTA HEAD exam unless: Exam is ordered as Stereotactic for Surgery Planning; Patient has had a Head WO Contrast within the last 6 hours. The …

2025年2月1日 · Cerebral venous thrombosis (CVT) (plural: thromboses) refers to the occlusion of venous channels in the cranial cavity, including dural venous thrombosis, cortical vein …

CT venography (CTV) is not a particularly well-validated technique, with most data derived from anecdotal experience. For a variety of reasons, CTV has become the go-to imaging modality …

• CT venography (CTV) is a technique targeted to assess venous anatomy, determine venous patency & delineate collateral circulation • Non-invasive, simple protocols, wide anatomic …

Radiologists do a remarkable number of scans that are normal (in spite of wildly unusual presentations or symptoms). Part of the skill in radiology is knowing when something is …