• The optic canal transmits the optic nerve (CN II) and the ophthalmic artery. (medscape.com)
  • The ophthalmic artery is a branch of the supraclinoid (C6) segment of the internal carotid artery . (radiopaedia.org)
  • The ophthalmic artery arises medial to the anterior clinoid process as the internal carotid artery exits the cavernous sinus . (radiopaedia.org)
  • The ophthalmic artery passes into the orbit via the optic canal . (radiopaedia.org)
  • The two terminal branches of the ophthalmic artery are the supratrochlear artery and the dorsal nasal artery . (radiopaedia.org)
  • Embryologically, the orbit has dual supply: from the supraorbital branch (which later becomes the middle meningeal artery ) and from the ophthalmic artery. (radiopaedia.org)
  • the chiasmatic groove ends on either side at the optic foramen, which transmits the optic nerve and ophthalmic artery to the orbital cavity. (bartleby.com)
  • and from the orbital cavity a recurrent branch from the lacrimal artery to the dura mater, and the ophthalmic veins. (bartleby.com)
  • Intraorbital aneurysms are rare, and most of them originate from the ophthalmic arteries. (surgicalneurologyint.com)
  • Intraorbital aneurysms are a rare occurrence, and most of them originate from the ophthalmic artery. (surgicalneurologyint.com)
  • Therefore, to prevent the migration of NBCA into the ophthalmic artery, we decided to occlude the meningolacrimal artery proximal to the aneurysm before injection of NBCA. (surgicalneurologyint.com)
  • The ophthalmic artery can be involved in hyphema, bleeding in the anterior chamber of the eye. (medicalsupernotes.com)
  • The ophthalmic artery is a branch of the internal carotid artery. (medicalsupernotes.com)
  • 2 - 5 , 12 - 15 In this situation, the benefits of preoperative embolization must be weighed against the risk of complications, as an inadvertent interruption of blood flow to the central retinal artery may lead to retinal ischemia and visual compromise. (ajnr.org)
  • The preoperative embolization of meningiomas supplied by the OPH requires superselective catheterization and the most distal placement of the microcatheter as possible, aiming to protect the central retinal artery of any reflux. (ajnr.org)
  • This endovascular approach with Onyx was proposed as an alternative strategy for a more controlled embolization, aiming to reduce the risks of visual impairment caused by central retinal artery occlusion. (ajnr.org)
  • For example, embolization of a tumor supplied by the external carotid artery (e.g. meningioma or hemangiopericytoma ) can result in blindness. (radiopaedia.org)
  • The DVP, supplied by meningeal arteries, thus not only allows for convergent pathophysiological explanation of subdural bleeding in both cSDH and dAVF but may also be the actual target of the emergent endovascular treatment of cSDH trough meningeal artery embolization. (surgicalneurologyint.com)
  • This concept has been challenged by recent advances in the understanding of meningeal microanatomy, as well as the efficacy of meningeal arterial embolization in the treatment of chronic subdural hematoma (cSDH). (surgicalneurologyint.com)
  • Embolization of the feeding artery was performed before the removal of the meningioma. (surgicalneurologyint.com)
  • Embolization of the feeding artery was performed before resecting the meningioma to reduce intraoperative bleeding. (surgicalneurologyint.com)
  • We normally use N-butyl-2-cyanoacrylate (NBCA) for embolization of a feeding artery. (surgicalneurologyint.com)
  • Cushing developed an operation that better identified the ganglion and reduced mortality from exsanguination by reflecting the middle meningeal artery away from the site of operation. (scirp.org)
  • Meningeal artery may refer to Anterior meningeal branch of anterior ethmoidal artery Meningeal branches of vertebral artery Middle meningeal artery Posterior meningeal artery This article includes a list of related items that share the same name (or similar names). (wikipedia.org)
  • The posterior meningeal artery is the largest artery supplying the dura of the posterior cranial fossa , paramedial and medial portions of the dura covering the cerebellar convexity. (medtune.com)
  • The posterior meningeal artery originates from the right vertebral artery V3 segment. (medtune.com)
  • The left image is a magnified view of the origin of the posterior meningeal artery. (medtune.com)
  • In the medial aspect, the lesser wing of the sphenoid forms the anterior clinoid process, an important landmark for the optic nerve and supracavernous internal carotid artery (ICA). (medscape.com)
  • The two roots of this nerve surround the medial meningeal artery , and finally combine into a single nerve. (healthline.com)
  • It originates from the antero- or supero-medial surface of the internal carotid artery. (radiopaedia.org)
  • The ethmoid arteries mark the superior limit for osteotomies during medial maxillectomy. (medscape.com)
  • The maxillary artery reached the pterygomaxillary fissure on the lateral side of the lateral pterygoid muscle in 56% of the cases (n = 32), in 37% (n = 23) on its medial side and in 7% (n = 4) on both sides. (bvsalud.org)
  • The purpose of this study was to clarify the criteria for initial treatment of chronic subdural hematoma (CSDH) by com-paring the backgrounds and post-treatment courses of patients who underwent drainage or middle meningeal artery (MMA) emboliza-tion for CSDH. (go.jp)
  • Intracranial dural arteriovenous fistulae (dAVF) are shunts between meningeal arteries and cerebral veins which result in cerebral venous hypertension. (surgicalneurologyint.com)
  • Liquid embolic agent reflux into the OPH could lead to inadvertent occlusion of the central retinal artery. (ajnr.org)
  • The middle meningeal artery is a terminal branch of the external carotid artery which enters the skull through the foramen spinosum. (anatomicaljustice.com)
  • Middle Meningeal Artery Anatomy Middle Meningeal Artery: The intermediate meningeal artery (Latin: arteria meningea media) is customarily the third branch of the first excerpt of the maxillary artery, one of the two terminal branches of the external carotid artery. (forbiddenpc.com)
  • Lateral to the foramen ovale is the foramen spinosum, for the passage of the middle meningeal vessels, and a recurrent branch from the mandibular nerve. (bartleby.com)
  • The nerve of the pterygoid canal and a meningeal branch from the ascending pharyngeal artery pierce the layer of fibrocartilage. (bartleby.com)
  • In-stent thrombotic occlusion is a serious ischemic complication that can also result in ischemia in the distal perfusion territory and the territory of side branches for the artery in which the flow diverter (FD) stent is deployed. (thejns.org)
  • Herein, we report a case of meningolacrimal artery aneurysm associated with a meningioma. (surgicalneurologyint.com)
  • Cerebral angiography revealed the middle meningeal artery as a feeding artery as well as the presence of an aneurysm associated with the meningolacrimal artery. (surgicalneurologyint.com)
  • Embolizing the feeding artery of the aneurysm was helpful in safely resecting the meningioma. (surgicalneurologyint.com)
  • Cerebral angiography was performed before the operation, and the external carotid artery angiography revealed the middle meningeal artery (MMA) as a feeding artery as well as the presence of an aneurysm [ Figure 1d and e ]. (surgicalneurologyint.com)
  • The diameter of the aneurysm was about 6 mm, and the aneurysm was present in the meningolacrimal artery in the orbital cavity [ Figure 1f ]. (surgicalneurologyint.com)
  • The artery flow into the tumor was distal to the aneurysm. (surgicalneurologyint.com)
  • The blood supply from the middle meningeal artery (MMA) to the haematoma membranes has recently become a research target, to enhance our understanding of the processes leading to growth and re-growth of a CSDH. (ku.dk)
  • We report a unique rescue strategy involving implantation of an additional intra-arterial catheter into the vertebral artery and repetitive stent retriever dilatations of the middle cerebral and basilar arteries as an extra therapy for continuous intra-arterial nimodipine vaspospasmolytic therapy in three vessel territories, resulting in a very good clinical outcome. (thejns.org)
  • This groove lodges the cavernous sinus and the internal carotid artery, the latter being surrounded by a plexus of sympathetic nerves. (bartleby.com)
  • A direct fistula is due to direct communication between the intracavernous internal carotid artery and the surrounding cavernous sinus. (radiopaedia.org)
  • Indirect fistulas are due to communication by multiple branches between the internal and/or external carotid arteries and the cavernous sinus. (radiopaedia.org)
  • Which artery can you palpate at the lateral end of the zygomatic arch? (proprofs.com)
  • C (left middle meningeal artery [MMA] digital subtracted angiography [DSA], lateral view): dAVF depending on frontoparietal and squamo-occipital MMA branches (respectively, FPb and SOb). (surgicalneurologyint.com)
  • Behind and lateral to the foramen rotundum is the foramen ovale, which transmits the mandibular nerve, the accessory meningeal artery, and the lesser superficial petrosal nerve. (bartleby.com)
  • It may arise from the ascending pharyngeal artery , or less commonly, the occipital artery . (medtune.com)
  • Extensive Aβ accumulates in the cerebral vessels, especially the meningeal arteries and the cerebro-cortical arterioles. (alzforum.org)
  • In the presented case, a young female patient with fulminant refractory DCI and CV, despite induced hypertension and nimodipine application, was treated with three-vessel continuous intra-arterial infusion and additional repetitive angioplasty of the basilar and middle cerebral arteries using a stent retriever, leading to a good clinical outcome. (thejns.org)
  • Intracranial arteriovenous fistula (AVF) is a rare disease, defined as anastomoses between cerebral or meningeal arteries and dural venous sinuses or cortical veins. (thejns.org)
  • A cerebral angiogram demonstrated a superior sagittal sinus dural arteriovenous fistula with a patent superior sagittal sinus that was supplied via multiple branches of the external carotid arteries bilaterally and the left anterior and middle cerebral arteries. (druglib.com)
  • Magnetic resonance image of the head of the patient, a 13-year-old boy, showing multiple areas of infarction bilaterally with the largest in the right middle cerebral artery distribution and a smaller. (cdc.gov)
  • Magnetic resonance imaging of the head showed multiple areas of infarction, with the largest being in the right middle cerebral artery distribution and a smaller one in the left frontal region ( Figure ). (cdc.gov)
  • 2 , 11 , 12 The blood supply of meningiomas usually arises from branches of the external carotid artery, except in cases of anterior and middle skull base tumors. (ajnr.org)
  • In these cases, hypervascularized tumors are often fed by internal carotid artery branches, such as the OPH. (ajnr.org)
  • Vagus nerve relating to Common carotid artery & Internal jugular vein. (anatomytrains.com)
  • in the fresh state the lower part of this aperture is filled up by a layer of fibrocartilage, while its upper and inner parts transmit the internal carotid artery surrounded by a plexus of sympathetic nerves. (bartleby.com)
  • The carotid artery and its branches are located here. (worldofmedicalsaviours.com)
  • This triangle is important because the common carotid artery ascends before bifurcating into the external and internal carotid. (worldofmedicalsaviours.com)
  • Using contrasted computer tomography records, (i) the route of the maxillary artery in the infratemporal fossa, (ii) the number of the arteries in the critical PPF surgery plane, (iii) the diameter of the largest artery in the area and (iv) its relation to the posterior wall of the maxillary sinus were examined. (bvsalud.org)
  • The auriculotemporal nerve originates from the back part of the mandibular nerve, which travels alongside the superficial temporal vein and artery. (healthline.com)
  • The branchpoint (bifurcation of the superficial temporal artery (STA) and MA) was directly in contact with the mandible in 5% of cases. (bvsalud.org)
  • A fracture of the temporal bone causes injury to the underlying middle meningeal artery, resulting in intracranial hemorrhaging. (anatomicaljustice.com)
  • OBJECTIVE: To establish a new method for fast exposure of the internal maxillary artery (IMA) during extracranial-intracranial bypass surgery. (bvsalud.org)
  • Examples: Common iliac artery, External iliac artery, Internal iliac artery. (mcw.edu)
  • After consequence off the maxillary artery in the infratemporal fossa, it runs through the foramen spinosum to supply the dura mater the outer meningeal thickness, and the calvaria. (forbiddenpc.com)
  • Accumulation of blood in the EPIDURAL SPACE between the SKULL and the DURA MATER, often as a result of bleeding from the MENINGEAL ARTERIES associated with a temporal or parietal bone fracture. (bvsalud.org)
  • Any of the arteries that arise from a bifurcation of the aorta supplying the pelvic or abdomen. (mcw.edu)
  • Digital subtraction angiography confirmed these to be a dAVF, fed bilaterally by parieto-occipital branches of the middle meningeal artery (MMA) draining directly into a unique dilated left parietal cortical vein without venous ectasia and secondary drainage within the superior longitudinal sinus (Cognard Grade 3) [ Figure 1 ]. (surgicalneurologyint.com)
  • They are marked by depressions for the brain convolutions and traversed by furrows for the anterior and posterior branches of the middle meningeal vessels. (bartleby.com)
  • The maxillary artery (MA) is a key structure at risk of injury in numerous oral and maxillofacial surgical (OMS) procedures. (bvsalud.org)
  • This study describes the clinical anatomical topography and relationship of the terminal branches of the maxillary artery to the bony wall of the maxillary sinus in the pterygopalatine fossa (PPF) to estimate the bleeding risk during surgical interventions. (bvsalud.org)
  • Computed tomography angiography for detection of middle meningeal artery lesions associated with acute epidural hematomas. (medscape.com)
  • INTERVENTION: Transarterial injection of one pedicle of middle meningeal artery on both sides with Onyx resulted in complete obliteration of the dural supply and some of the pial supply to the malformation without complications. (druglib.com)
  • This artery supplies the orbit and its structures. (medicalsupernotes.com)
  • The infraorbital sulcus crosses the floor of the orbit and carries the infraorbital artery, infraorbital vein, and infraorbital nerve from the inferior orbital fissure to the infraorbital foramen. (medscape.com)
  • Skull radiographs often reveal a fracture crossing the vascular shadow of the middle meningeal artery branches. (medscape.com)
  • Acumulación de sangre en el ESPACIO EPIDURAL entre el CRÁNEO y la DURAMADRE, con frecuencia como consecuencia de hemorragia de las ARTERIAS MENÍNGEAS asociadas con fractura del hueso temporal o del hueso parietal. (bvsalud.org)
  • The most frequent are type C, with meningeal branches of the external carotid forming the fistula 3 . (radiopaedia.org)
  • The anterior and posterior ethmoid arteries pass through these foramina and are important surgical landmarks. (medscape.com)
  • Meningiomas are also the most common extra-axial tumors in the brain and the most frequently occurring tumors of mesodermal or meningeal origin. (medscape.com)
  • Flat tumors, termed en plaque, infiltrate the dura and grow as a thin carpet or sheet of tumor along the convexity dura, falx, or tentorium. (medscape.com)
  • The optic ring averages 6 mm from the posterior ethmoid artery, with a range of 5-11 mm. (medscape.com)
  • 5. Hayreh S. Posterior Ciliary Artery Circulation in Health and Disease The Weisenfeld Lecture. (radiopaedia.org)