Carotid artery posterior circulation basilar artery. Medical search. Frequent questions

The published results of treating internal carotid artery aneurysms with the PED do not necessarily apply to its use in the posterior circulation because disabling brain stem infarcts can be caused by occlusion of a single perforator. (ajnr.org)
A prospective case registry was maintained of all posterior circulation aneurysms treated with PEDs at 3 Australian neurointerventional centers during a 27-month period. (ajnr.org)
Thirty-two posterior circulation aneurysms were treated in 32 patients. (ajnr.org)
Perforator territory infarctions occurred in 3 (14%) of the 21 patients with basilar artery aneurysms, and in all 3, a single PED was used. (ajnr.org)
The PED is effective in the treatment of posterior circulation aneurysms that are otherwise difficult or impossible to treat with standard endovascular or surgical techniques, and its safety is similar to that of stent-assisted coiling techniques. (ajnr.org)
Performing a cerebral angiogram by gaining access through the femoral artery or radial artery is feasible in order to treat cerebral aneurysms with a number of devices Certain conditions such as contrast allergy, renal insufficiency, and coagulation disorders are contraindicated in this procedure. (wikipedia.org)
Cerebral aneurysms involve both the anterior circulation and the posterior, or vertebrobasilar, circulation. (medscape.com)
Anterior circulation aneurysms arise from the internal carotid artery or any of its branches, whereas posterior circulation aneurysms arise from the vertebral artery, basilar artery, or any of their branches. (medscape.com)
for example, anterior communicating aneurysms arise from the anterior communicating artery, and posterior communicating artery aneurysms arise from the internal carotid artery near the origin of the posterior communicating artery. (medscape.com)
Two (0.2%) were retreated for recurrent acute SAH, 82 (74%) aneurysms were located in the anterior circulation, 47 (42%) required stent and 5 (5%) required balloon assist during retreatment. (bmj.com)
Multivariable analysis revealed an OR for aneurysms requiring retreatment of 2.965 for aneurysms presenting as aneurysmal SAH, 1.791 for aneurysms in the posterior circulation and 1.053 for aneurysms with large dome size. (bmj.com)
SAH, posterior circulation aneurysms and larger aneurysm dome size are predictors of aneurysms requiring retreatment. (bmj.com)
Treatment of large, wide-neck, or otherwise untreatable aneurysms with functional reconstruction of the parent artery may be achieved with relative safety using dedicated flow-modifying devices with or without adjunctive use of intrasaccular coil packing. (ajnr.org)
Flow diversion for internal carotid artery aneurysms with compressive neuro-ophthalmologic symptoms: clinical and anatomical results in an international multicenter study. (uniklinikum-dresden.de)
Pontine artery aneurysms, especially when associated with CPAc AVMs, represent a surgical challenge, due to their rarity and anatomical peculiarity, which typically requires complex operative approaches. (surgicalneurologyint.com)
Only 8-12% of intracranial aneurysms and 5-15% of arterial venous malformations (AVMs) occur in the posterior circulation. (surgicalneurologyint.com)
27 , 29 ] Cerebellopontine angle cistern (CPAc) AVMs are even rarer,[ 32 ] especially when associated with aneurysms originating from the same parent artery (2.8-9.3% of all AVMs). (surgicalneurologyint.com)
25 ] Posterior fossa AVMs also have a documented tendency to develop aneurysms compared to their anterior circulation counterparts. (surgicalneurologyint.com)
The categorization of these aneurysms is based on their relationship with the nidus, extranidal ones more frequently occur on the pedicle of the feeding artery and are considered the leading cause of bleeding in about 37% of cases. (surgicalneurologyint.com)
20 , 24 , 33 ] In this context, we present the operative management of two CPAc AVMs - pontine artery aneurysms, both supplied by the same feeder artery, characterized by a small AVM nidus and a proximal ruptured aneurysm. (surgicalneurologyint.com)
Microvascular anastomosis techniques are important for revascularization surgeries on brachiocephalic and carotid arteries and complex cerebral aneurysms and even during resection of brain tumors that obstruct major cerebral arteries. (hindawi.com)

Extracranial diseases are: Subclavian steal syndrome, rupture of the carotid artery, carotid artery stenosis, cervical spine trauma, epistaxis (nose bleeding) and plan for embolisation of juvenile nasopharyngeal angiofibroma before operation. (wikipedia.org)
She had a history of surgery for arterial septal defect closure, mitral valve angioplasty for mitral regurgitation, and coronary artery bypass graft surgery for coronary artery stenosis. (surgicalneurologyint.com)
Medications at the time of admission included clopidogrel 75 mg daily for coronary artery stenosis. (surgicalneurologyint.com)
Posterior circulation: No aneurysm or flow limiting stenosis. (claripacs.com)
Carotid artery stenosis is a chronic atherosclerotic disease resulting in narrowing of the common and internal carotid arteries. (lecturio.com)
Carotid artery stenosis is commonly diagnosed via carotid duplex ultrasound. (lecturio.com)
The most serious complication of carotid artery stenosis is stroke. (lecturio.com)
Carotid Artery Stenosis is a narrowing of the common and internal carotid arteries Arteries Arteries are tubular collections of cells that transport oxygenated blood and nutrients from the heart to the tissues of the body. (lecturio.com)
Guidelines have been laid down for the approach to patients with asymptomatic carotid artery stenosis. (neurologyindia.com)
Asymptomatic and hemodynamic extracranial internal carotid stenosis were excluded by continue wave Doppler study and suprathrochlear artery response to facial and superficial temporal arteries compression. (biomedcentral.com)
The prevalence and risk factors of intracranial atherosclerotic stenosis (ICAS) located in the anterior circulation (AC) and posterior circulation (PC) has been scarcely noted in the general population. (hindawi.com)

Two sets of vessels supply blood to the scalp, face and the brain, these are the left and the right vertebral arteries and the left and the right common carotid arteries. (newhealthadvisor.org)
The vertebral arteries branch into posterior inferior cerebellar arteries (PICA). (newhealthadvisor.org)
Posteriorly, the basilar artery, formed by the left and right vertebral arteries, branches into a left and right posterior cerebral artery (PCA), forming the posterior circulation. (medscape.com)
The vertebral arteries are branches of the subclavian arteries . (wikidoc.org)
At the C1 level the vertebral arteries travel across the posterior arch of the atlas before entering the foramen magnum . (wikidoc.org)
Inside the skull, the two vertebral arteries join up to form the basilar artery at the base of the medulla oblongata . (wikidoc.org)

Unusual persistent primitive trigeminal artery with a superior duplicated basilar system. (unm.edu)

The PCAs complete the circle of Willis by joining the internal carotid system anteriorly via the posterior communicating (PCOM) arteries. (medscape.com)

However, unlike anterior circulation stroke (ACS), there remain unclear issues in EVT for posterior circulation stroke (PCS). (j-stroke.org)
At the European Stroke Organization Conference (ESOC) 2022, The Endovascular Treatment for Acute Basilar Artery Occlusion (ATTENTION) and The Basilar Artery Occlusion Chinese Endovascular trial (BAOCHE) results were finally presented. (j-stroke.org)
Main analysis was limited to patients with anterior circulation stroke. (bmj.com)
Posterior cerebral artery stroke is rare compared to the stroke associated with the damage to the anterior circulation. (newhealthadvisor.org)
The blockage of an artery in the brain by a clot (thrombosis) is the most common cause of a stroke. (medicinenet.com)
Another type of stroke may occur when a blood clot or a piece of atherosclerotic plaque (cholesterol and calcium deposits on the wall of the inside of the heart or artery) breaks loose, travels through the bloodstream, and lodges in an artery in the brain. (medicinenet.com)
Usually, these clots remain attached to the inner lining of the heart, but occasionally they can break off, travel through the bloodstream (embolize), block a brain artery, and cause a stroke. (medicinenet.com)
Vertebral artery dissection may be misdiagnosed as post-concussive syndrome, stroke, or TIA, based on neurologic symptoms. (patientcareonline.com)
Paradoxical embolism to the arterial circulation may occur in the presence of a patent foramen ovale causing stroke or acute ischemia elsewhere. (vumc.org)

Of 28 side branches covered by ≥1 device, the ophthalmic artery was absent immediately in 1 and at 6 months in another 2 cases. (ajnr.org)

Documentation in the medical record of the location of the clot in either the large arteries in the neck or base of the brain (proximal), or small arteries higher up in the brain (distal). (jointcommission.org)

whereas the external carotid artery supplies blood to the scalp and face. (newhealthadvisor.org)
Results The Neuron 6 F 0.053 inch inner luminal diameter delivery catheter (Penumbra) was placed in a very distal location within the internal carotid artery, external carotid artery and venous system enabling successful endovascular treatment of the intracranial pathology with no related neurological complications. (bmj.com)

Localized SAH, however, may be highly indicative of the site of aneurysm rupture, as in cases in which blood is present in the sylvian fissure as a result of a rupture of a middle cerebral artery (MCA) trifurcation aneurysm or in cases in which interhemispheric blood is present between the anterior part of the frontal lobes as a result of the rupture of an aneurysm of the anterior communicating artery. (medscape.com)

Cerebral aneurysm is a cerebrovascular disorder in which weakness in the wall of an intracranial artery causes a localized dilation or ballooning of the blood vessel. (medscape.com)
A cerebral aneurysm is defined as a local outpouching of an intracranial artery and can either be saccular or fusiform. (intechopen.com)
These emerging risk factors associated with the presence of ICAS according to the anatomic location of intracranial artery (i.e. (hindawi.com)
Expanding our understanding of ICAS prevalence by the anatomic location of intracranial artery and the association between risk factors and ICAS by location will afford insight in the pathogenesis of ICAS. (hindawi.com)

Branches of the anterior and middle cerebral arteries (lenticulostriate arteries) supply the basal ganglia and anterior limb of the internal capsule. (msdmanuals.com)

The patient had a giant aneurysm of the left internal carotid artery in its intracavernous segment. (medscape.com)
This segment extends from the point of terminationof the basilar artery and extends all the way up to posterior communicating artery (thereby spanning around the entire region of interpeduncular cistern). (newhealthadvisor.org)
The A1 segment of the anterior cerebral artery (ACA) extends from the internal carotid artery (ICA) bifurcation in a medial and superior direction to the ACA's junction with the anterior communicating artery (ACOM) within the longitudinal fissure. (medscape.com)
This segment includes all branches of the ACA distal to the origin of the pericallosal and callosomarginal arteries, but other subdivisions have been used. (medscape.com)
The A3 segment terminates by providing parietal arteries to the corpus callosum and precuneus. (medscape.com)
Brain computed tomography (CT) showed a focal low density in the right insula, corona radiata, and temporal lobe ( Fig. 1A ), and CT angiography showed occlusion of the M1 segment of the right middle cerebral artery ( Fig. 1B ). (e-jnc.org)

CTA of the neck and brain reveal that the left Vertebral Artery is completely occluded at approximately the C1-C2 level with extensive hypertrophic degenerative osseous changes from C1-C3. (nspc.com)
Retrograde flow into the post PICA left Vertebral Artery is observed from the co-dominant right Vertebral Artery which appears to be the primary supply into the basilar circulation. (nspc.com)
The right Vertebral Artery is the codominant primary supply to the basilar circulation with reflux into the distal left Vertebral Artery that is occluded (Figure 3). (nspc.com)
In group II patients over 60 years of age, the LSBFV in both internal carotid arteries was statistically significantly higher than in middle-aged patients, while the LSBFV in the left vertebral, posterior cerebral arteries and the basilar artery was statistically significantly higher in middle-aged patients than in the elderly. (neurocardiologist.info)
The left vertebral artery is usually larger and carries more blood. (wikidoc.org)

The acute origin angle of the vessel from the basilar artery made both malformations unsuitable for endovascular treatment. (surgicalneurologyint.com)

This network of arteries also comprises of anterior and posterior communicating arteries as well as internal carotid, anterior cerebral, middle cerebral arteries. (newhealthadvisor.org)
Mean blood flow velocity in middle, anterior and posterior cerebral arteries, vertebral and basilar arteries was 60 ± 8, 52 ± 9, 42 ± 6, 39 ± 8 and 48 ± 8 cm/sec respectively. (biomedcentral.com)

[ 2 ] The pericallosal artery travels posteriorly over the corpus callosum and anastomoses with the splenial artery. (medscape.com)

Diffuse irregularity of the vertebrobasilar system, with small basilar distal to the origin of the anterior inferior cerebellar arteries, may be due to atherosclerotic narrowing and or presence of bilateral fetal origin PCAs. (claripacs.com)

On hyper extension of approximately 10-15 degrees, passively performed by the patient until symptoms are reproduced, angiogram demonstrates complete occlusion of the right Vertebral Artery at approximately the C2-C1 level. (nspc.com)
Computed tomography angiography showed occlusion of the right middle cerebral artery. (e-jnc.org)

The parts of the brain included within this arterial circle are the lamina terminalis, the optic chiasma, the infundibulum, the tuber cinereum, the corpora mammillaria, and the posterior perforated substance. (bartleby.com)
519- Diagram of the arterial circulation at the base of the brain. (bartleby.com)
Arteries: Histology (ICAs) secondary to atherosclerosis Atherosclerosis Atherosclerosis is a common form of arterial disease in which lipid deposition forms a plaque in the blood vessel walls. (lecturio.com)
To investigate further, the ED physician at this visit ordered a carotid and vertebral arterial duplex ultrasound examination, the results of which were markedly abnormal. (patientcareonline.com)
As illustrated by the MRA study in Figure 1 (previous page) filling of the right vertebral artery is compromised compared with that of the left, a finding that confirms the diagnosis of arterial dissection. (patientcareonline.com)
Figure 2 presents a 3-D reconstruction of the arterial circulation of the neck. (patientcareonline.com)
A brain MRI/MRA showed multiple strokes in the posterior circulation and a pending basilar arterial occlusion. (patientcareonline.com)
Diagram of the arterial circulation at the base of the brain. (wikidoc.org)

During neutral positioning, the vertebrobasilar circulation fills briskly from the Right Vertebral Artery. (nspc.com)
The patient then underwent intraoperative angiography of the right Vertebral Artery performed via a 5 French Right Radial Artery access. (nspc.com)
ANSWER: Right vertebral artery dissection. (patientcareonline.com)
The thinning of the right vertebral artery is again demonstrated. (patientcareonline.com)

was to determine sex and age differences in the structural and functional state of the vessels of the carotid and vertebro-basilar basins in patients with stage I-III cerebral atherosclerosis (CA) and type 2 diabetes mellitus. (neurocardiologist.info)
In patients of group I, there were no age or sex differences in the linear systolic blood flow velocity (LSBFV) of the vessels of the carotid and vertebro-basilar basins. (neurocardiologist.info)
For patients with stage III CA and T2DM, age and sex differences in the parameters of cerebral circulation both in the vessels of the carotid and in the vessels of the vertebro-basilar basins have not been established. (neurocardiologist.info)
Elderly patients with stage I-II CA and T2DM, in comparison with middle-aged patients, are characterized by a statistically significantly higher LSBFV in the vessels of the carotid basin and lower in the vessels of the vertebro-basilar basin. (neurocardiologist.info)

The circle of Willis is formed when the internal carotid artery (ICA) enters the cranial cavity bilaterally and divides into the anterior cerebral artery (ACA) and middle cerebral artery (MCA). (medscape.com)
The present communication is the logical outcome of the author's companion study of the development of the cranial arteries in the human embryo (Padget, 1948, 1954). (edu.au)
The circle of Willis begins to form when the right and left internal carotid artery (ICA) enters the cranial cavity and each one divides into two main branches: the anterior cerebral artery (ACA) and middle cerebral artery (MCA). (naqlafshk.com)

The posterior cerebral arteries bifurcate from the basilar artery to supply the medial temporal (including the hippocampus) and occipital lobes, thalamus, and mammillary and geniculate bodies. (msdmanuals.com)
Posterior cerebral artery is responsible for supplying blood to the cerebellum, brain stem, inferior sections of temporal lobes and center of occipital lobes. (newhealthadvisor.org)
After extensive consultation and discussion of potential therapeutic and management strategies, we decided that permanent Occipital Cervical Fusion was the best approach to prevent potentially life-threatening Vertebral Basilar Occlusion during dynamic neck movements. (nspc.com)

Vertigo After a Car Accident: Vertebral Artery Dissection? (patientcareonline.com)
Although minor trauma rarely causes vascular injury, cases of vertebral artery dissection have been reported following very low-energy mechanisms, even prolonged upward gaze while painting a ceiling or other overhead object. (patientcareonline.com)
If dissection of the carotid or vertebral artery is diagnosed, a neurosurgeon or at least a neurologist should be consulted. (patientcareonline.com)

The middle cerebral artery supplies large portions of the lateral surfaces of frontal, parietal, and temporal lobes. (msdmanuals.com)
Although CE-O in the ACS group produces abrupt and severe motor dysfunction associated with sudden middle cerebral or internal carotid artery occlusion, CE-O in the PCS group typically occludes the distal basilar or posterior cerebral arteries, thereby less likely resulting in severe motor dysfunction. (j-stroke.org)
This circle gives rise to various other arteries such as the posterior cerebral artery (PCA), the middle cerebral artery (MCA) and the anterior cerebral artery (ACA). (newhealthadvisor.org)
Many anastomoses occur with distal branches of the middle cerebral artery (MCA) and posterior cerebral artery (PCA). (medscape.com)
Using a Multi-Dop X4 (DWL Co., Germany), a 20-min TCD recording was made over the middle cerebral artery. (go.jp)
Then the middle cerebral artery (MCA), anterior cerebral artery (ACA) and posterior cerebral artery segments 1, 2 (PCA 1 , PCA 2 ) were studied via temporal acoustic window and the distal vertebral artery segments 3, 4(VA 3 , VA 4 ) and basilar artery (BAS) were detected through suboccipital window. (biomedcentral.com)
In the CT perfusion image, the T max value was increased in the right middle cerebral artery and posterior cerebral artery territory due to the fetal posterior cerebral artery ( Fig. 1C ). (e-jnc.org)
Endovascular thrombectomy (EVT) of the thrombus in the right middle cerebral artery was attempted first, planning the coronary angiogram after the recanalization of the cerebral artery, since the patient was alert and did not report any chest pain. (e-jnc.org)

The anterior cerebral arteries are then united by an anterior communicating (ACOM) artery. (medscape.com)
This portion of the ACA extends from the ACOM artery to the ACA's division into the pericallosal and callosomarginal arteries, at the genu of the corpus callosum. (medscape.com)
The ACAs, ACOM, and MCAs form the anterior half, better known as the anterior cerebral circulation. (naqlafshk.com)

Bilateral groins (for femoral artery access) and left arm/forearm (for brachial artery/radial artery access) are prepared. (wikipedia.org)
For example, the left subclavian artery becomes the axillary artery as it passes through the body wall and into the axillary region, and then becomes the brachial artery as it flows from the axillary region into the upper arm (or brachium). (cuny.edu)

The basilar artery undergoes bifurcation at the site of midbrain, forming 2 posterior cerebral arteries. (newhealthadvisor.org)

The left internal jugular vein, which is usually smaller in caliber than the right internal jugular vein, crosses the common carotid artery before joining the left subclavian vein to form the left innominate vein, which then crosses the innominate artery to form, together with the right innominate vein, the superior vena cava. (vumc.org)

Dynamic provocative fluoroscopy failed to reveal significant Vertebral osseous instability (Figure 2A), however, Transcranial Doppler Flow velocities in the distal right Vertebral and Basilar Artery are markedly reduced during Extension of the Neck (Figure 2B). (nspc.com)
After that, after being properly secured to the table with access to the right radial sheath, the neck and the left posterior iliac crest area and a tricortical autograft was then obtained with osteotomes. (nspc.com)
An embolism, either plaque or clot, may also originate in a large artery (for example, the carotid artery, a major artery in the neck that supplies blood to the brain) and then travel downstream to clog a small artery within the brain. (medicinenet.com)
1 - 3 Early experimental work suggested 3 potential mechanisms of action: improved anatomic reconstruction of the parent artery, functional modification of flow across the orifice of the aneurysm, and biologic repair of the aneurysm neck by neointimal overgrowth. (ajnr.org)
All patients underwent conventional clinical, laboratory and instrumental studies (Doppler ultrasound of the vessels of the head and neck - study of cerebral blood flow in the extra- and intracranial sections of the main arteries of the head and neck using the Aplio XG device (Toshiba). (neurocardiologist.info)
Pain is usually present in the posterior-lateral neck and may initially mimic a muscular strain. (patientcareonline.com)
This path is largely parallel to, but distinct from, the route of the carotid artery ascending through the neck. (wikidoc.org)

Bones: Severe multilevel degenerative changes of the cervical spine, including basilar invagination and anterior inferior translation of C1 relative to C2, results in moderate canal narrowing at the C1 level, and severe spondylosis from C2-C3 through C5-C6, no acute fracture identified. (claripacs.com)
This part of the artery is covered by the Semispinalis capitis and is contained in the suboccipital triangle -a triangular space bounded by the Rectus capitis posterior major , the Obliquus superior , and the Obliquus inferior . (wikidoc.org)

Endovascular therapy versus no endovascular therapy in patients receiving best medical management for acute isolated occlusion of the posterior cerebral artery: A systematic review and meta-analysis. (uniklinikum-dresden.de)
We present two cases of CPAc AVMs admitted for acute subarachnoid hemorrhage from rupture of a parent right pontine artery aneurysm. (surgicalneurologyint.com)

After the injection of intravenous tissue plasminogen activator, thrombectomy was attempted first, and the coronary angiogram was planned after recanalization of the cerebral artery. (e-jnc.org)

A cerebral aneurysm appears due to the vulnerability of the cerebral artery wall, altering a part of the wall to develop a lump which is fragile due to the lack of the tunica media, and it is most likely a cause of subarachnoid hemorrhage because many cases of cerebral aneurysm tend to appear in the subarachnoid space. (justia.com)

At each cervical level, the vertebral artery sends branches to the surrounding musculature via anterior spinal arteries . (wikidoc.org)
The first cervical or suboccipital nerve lies between the artery and the posterior arch of the atlas. (wikidoc.org)
Posterior primary divisions of the upper three cervical nerves. (wikidoc.org)

We report the successful recanalization of internal carotid artery (ICA) without embolization to new vascular territory (ENT) using a combined technique in a case of ICA occlusion with PPTA. (surgicalneurologyint.com)

1 Flow conditions within the parent artery and the aneurysm itself have long been thought to play an important role in aneurysm growth and rupture. (ajnr.org)
4 - 11 Yet, the early application of stent-assisted aneurysm therapy was primarily focused on geometric reconstruction of the parent artery through improved coil packing of the aneurysm. (ajnr.org)

The circle of Willis encircles the stalk of the pituitary gland and provides important communications between the blood supply of the forebrain and hindbrain (ie, between the internal carotid and vertebrobasilar systems following obliteration of primitive embryonic connections). (medscape.com)

Angiography was then again repeated showing good flow through the Vertebral Artery. (nspc.com)
CT angiography identifies abnormalities in the 'circle of willis' in posterior circulation strokes much better, and helps weigh the risk versus benefit of thrombolysis. (neurologyindia.com)

Branches include perforators to the frontal lobe, as well as the recurrent artery of Heubner, which is a large, lenticulostriate vessel. (medscape.com)
Anterior circulation: There is question of vessel cut off at the origin of an M3 branch in the superior division of the right MCA . (claripacs.com)
At the lower border of the pons it unites with the vessel of the opposite side to form the basilar artery . (wikidoc.org)
For example, you will find a pair of femoral arteries and a pair of femoral veins, with one vessel on each side of the body. (cuny.edu)
Anastomoses are especially common in veins, where they help maintain blood flow even when one vessel is blocked or narrowed, although there are some important ones in the arteries supplying the brain. (cuny.edu)
As you read about circular pathways, notice that there is an occasional, very large artery referred to as a trunk , a term indicating that the vessel gives rise to several smaller arteries. (cuny.edu)

Arteries are classified into 3 types: large elastic arteries, medium muscular arteries, and small arteries and arterioles. (lecturio.com)

The anterior cerebral artery supplies the medial portions of the frontal and parietal lobes and corpus callosum. (msdmanuals.com)

then arteries to which it supplies the blood (the distal smaller arteries) may receive blood from other arteries. (newhealthadvisor.org)

The vertebrobasilar arteries supply blood to the posterior two-fifths of the cerebrum present within the cerebellum, and the brainstem. (newhealthadvisor.org)
Schematic representation of the circle of Willis, arteries of the brain, and brainstem. (medscape.com)
The basilar artery is the main blood supply to the brainstem and connects to the Circle of Willis to potentially supply the rest of the brain if there is compromise to one of the carotids . (wikidoc.org)

Atherosclerotic calcifications present in the bilateral cavernous carotid arteries with multifocal irregularity. (claripacs.com)
2) For subjects with hyperlipemia, the spatial distribution of E θ was evaluated for carotid atherosclerotic plaque. (go.jp)

There are fetal origins of the bilateral posterior cerebral arteries. (claripacs.com)

Both PCAs travel around the cerebral peduncles and branch into the midbrain forming a series of slender, long penetrating arteries that are responsible for supplying blood to the thalamus and hypothalamus. (newhealthadvisor.org)
The PCAs complete the circle of Willis by joining the anterior circulation formed by the ICAs via the posterior communicating (PCOM) arteries. (naqlafshk.com)

Anatomy61

Organisms8

Diseases64

Chemicals and Drugs29

Analytical, Diagnostic and Therapeutic Techniques and Equipment66

Phenomena and Processes28

Disciplines and Occupations1

Technology, Industry, Agriculture1

Information Science4

Health Care16

Aneurysms21

Stenosis11

Vertebral arteries6

Trigeminal artery1

Internal carotid system1

Stroke9

Ophthalmic artery1

Proximal1

External caroti2

Aneurysm of the anterior commun1

Intracranial artery4

Lenticulostriate arteries1

Segment6

Left vertebral5

Endovascular Treatment1

Anterior and posterior2

Pericallosal artery1

Distal to the origin1

Occlusion of the right2

Arterial8

Right Vertebral Artery4

Vertebro-basilar4

Cranial3

Occipital3

Dissection3

Middle cerebral8

ACOM3

Brachial artery2

Bifurcation1

Subclavian1

Neck7

Inferior2

Acute2

Thrombectomy1

Subarachnoid hemorrhage1

Cervical3

Recanalization1

Parent artery2

Primitive1

Angiography2

Vessel6

Small arteries1

Corpus callosum1

Smaller arteries1

Brainstem3

Atherosclerotic2

Fetal1

PCAs2