Retinal vein occlusion

OTHER VASCULAR DISORDERS / OCULAR VASCULAR DISORDERS Retinal vein occlusion Created 29/04/2022, last revision 01/05/2022 [toc] Retinal Vein Occlusion (RVO) Guidelines 2022 Ocular vascular disorders Content available only for logged-in subscribers (registration will be available soon) Ocular veins and arteries retinal vein occlusion (RVO) is the second most common retinal vascular disease after diabetic retinopathy ... Read more

Carotid Body Tumor

Shamblin groups
ADD-ONS / OTHER VASCULAR DISORDERS Carotid Body Tumor Created 08.01.2020, last update 20.11.2021 [toc] carotid body tumor (glomus tumor) is a rare tumor, but it represents the most common extra-adrenal paragangliomas more common in women, typically diagnosed in the 4th-5th decade most cases are sporadic; hereditary forms account for 10% of cases familial tumors occur ... Read more

Administration of iodinated contrast agents

NEUROIMAGING Administration of iodinated contrast agents Created 18/05/2021, last revision 06/06/2022 [toc] an iodinated contrast agent is a form of a radiocontrast agent (radiographic dye) containing iodine, which enhances the visibility of vascular structures and organs during radiographic procedures routes of administration: intravenous intraarterial oral others (rectal, cystourethral, and intra-articular) main indications in neuroradiology: contrast-enhanced ... Read more

Diagnosis of intracerebral hemorrhage

Blend sign (baseline and 3hr later)
INTRACEREBRAL HEMORRHAGE Diagnosis of intracerebral hemorrhage Created 27/04/2021, last revision 14/06/2022 [toc] in patients presenting with stroke-like symptoms, rapid neuroimaging with CT or MRI is recommended to confirm the diagnosis of spontaneous ICH detection of intracerebral bleeding is easy on imaging methods and the diagnostic evaluation is focused on the determination of etiology Physical Examination ... Read more

Carotid-cavernous fistula (CCF)

Direct carotid-cavernous fistula (CCF) type A on CT angiography
INTRACEREBRAL HEMORRHAGE / VASCULAR MALFORMATIONS Carotid-cavernous fistula (CCF) Created 21/04/2021, last revision 26/09/2022 [toc] carotid-cavernous fistula is a specific variant of arteriovenous fistula (DAVF) - it is defined as a pathological communication between the cavernous sinus (CS) and internal carotid artery (ICA) or its branches (either from ICA or ECA, or both) CCF can occur ... Read more

Clinical presentation and etiology of cerebral venous thrombosis

Venous sinus territories
CEREBRAL VENOUS THROMBOSIS Clinical presentation and etiology of cerebral venous thrombosis Created 07/04/2021, last revision 25/08/2022 [toc] Introduction cerebral venous sinus thrombosis (CVST) means the presence of a thrombus in the dural venous sinuses, which drain blood from the brain CVST accounts for about 1-2% of all strokes (women are affected in 70% of cases) ... Read more

Management of asymptomatic intracranial aneurysm

A saccular aneurysm of a middle cerebral artery (MCA)
SUBARACHNOID HEMORRHAGE Management of asymptomatic intracranial aneurysm Created 31/03/2021, last revision 17/05/2022 [toc] prevalence of unruptured (asymptomatic) intracranial aneurysms (UIA) ~ 0.5-5% modern and widely used imaging methods increase the rate of incidentally detected intracranial aneurysms multiple aneurysms are found in 20-30% of cases management of unruptured aneurysms is controversial in the process of decision ... Read more

Definition and etiology of subarachnoid hemorrhage

SAH caused by AComm aneurysm rupture
SUBARACHNOID HEMORRHAGE Definition and etiology of subarachnoid hemorrhage Created 29/03/2021, last revision 16/09/2022 [toc] Definition, epidemiology subarachnoid hemorrhage (SAH) is a clinical syndrome resulting from bleeding into the subarachnoid space (the area between the arachnoid membrane and the pia mater surrounding the brain) the most common cause of SAH is head trauma (traumatic SAH) non-traumatic ... Read more

Computed tomography (CT) in stroke diagnosis

Subacute ischemia (day 3-7)
NEUROIMAGING / COMPUTED TOMOGRAPHY Computed tomography (CT) in stroke diagnosis Created 24.11.2019, last update 04.04.2022 [toc] computed tomography (CT) is essential for managing patients with an acute ischemic stroke (AIS) in most cases, CT is the first imaging method done, primarily to exclude bleeding CT stroke protocol In each patient with an acute neurological deficit, ... Read more
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