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Topic: Posterior inferior cerebellar artery

	ICP monitors
		Posterior spinal artery arises from the distal VA or PICA.
		Posterior to cranial nerve rootlets, medially across the posterior medulla, adjacent to the caudal one/half of the tonsil.
		The vermian arteries arise from the rostral trunk.
	www.ucsf.edu /nreview/02.3-Anatomy-Vascular/PosteriorCirculation.html (2661 words)

	VI. The Arteries. 4. The Arteries of the Upper Extremity. a. The Subclavian Artery. Gray, Henry. 1918. Anatomy of the ...
		The artery may arise as a separate trunk from the arch of the aorta, and in such cases it may be either the first, second, third, or even the last branch derived from that vessel; in the majority, however, it is the first or last, rarely the second or third.
		It anastomoses with the ascending pharyngeal and occipital arteries.
		The ascending branch ( ramus ascendens; superficial cervical artery) ascends beneath the anterior margin of the Trapezius, distributing branches to it, and to the neighboring muscles and lymph glands in the neck, and anastomosing with the superficial branch of the descending ramus of the occipital artery.
	www.bartleby.com /107/148.html (4215 words)

	Cerebellum - Wikipedia, the free encyclopedia
		The Cerebellum is located in the inferior posterior (bottom rear) portion of the head (the hindbrain), directly posterior the brainstem and pons, inferior to the occipital lobe.
		The afferent fibers are mainly composed of the anterior spinocerebellar tract and are conveyed to the anterior cerebellar lobe.
		The PICA supplies blood to the posterior inferior portion of the cerebellum, the inferior cerebellar peduncle, nucleus ambiguus, vagus motor nucleus, spinal trigeminal nucleus, solitary nucleus, and vestibulocochlear nuclei.
	en.wikipedia.org /wiki/Cerebellum (2508 words)

	The Subclavian Artery - WikiMD (Site not responding. Last check: 2007-10-21)
		21 Branches â”The branches of the subclavian artery are: 22 Vertebral.
		cerebelli inferior anterior) passes backward to be distributed to the anterior part of the under surface of the cerebellum, anastomosing with the posterior inferior cerebellar branch of the vertebral.
		The axillary artery and vein, with the brachial plexus of nerves, extend obliquely along the lateral boundary of the axilla, from its apex to its base, and are placed much nearer to the anterior than to the posterior wall, the vein lying to the thoracic side of the artery and partially concealing it.
	www.wikimd.org /index.php?title=The_Subclavian_Artery (5673 words)

	Acute bilateral cerebellar infarction in the territory of the medial branches of posterior inferior cerebellar arteries ...
		Acute bilateral cerebellar infarction in the territory of the medial branches of posterior inferior cerebellar arteries -- Tada et al.
		Acute bilateral cerebellar infarction in the territory of the medial branches of posterior inferior cerebellar arteries
		bilateral cerebellar infarction confined to the territory of the medial
	stroke.ahajournals.org /cgi/content/abstract/25/3/686 (368 words)

	Cerebellum - Psychology Wiki - a Wikia wiki
		The cerebellum is located in the inferior posterior portion of the head (the hindbrain), directly dorsal to the brainstem and pons, inferior to the occipital lobe (Figs.
		In the cerebellum, the PICA supplies blood to the posterior inferior portion of the cerebellum, the inferior cerebellar peduncle, the nucleus ambiguus, the vagus motor nucleus, the spinal trigeminal nucleus, the solitary nucleus, and the vestibulocochlear nuclei.
		PICA syndrome manifests as a loss of sensation in the contralateral limbs due to damage of the inferior cerebellar peduncle as well as dizziness and nausea due to loss of blood to the nucleus ambiguus and vestibulocochlear nuclei.
	psychology.wikia.com /wiki/Cerebellum (4057 words)

	Lateral Vertebral
		Posterior thalamoperforate branches of the posterior cerebral artery.
		Medial posterior choroidal branches of the posterior cerebral arteries.
		Posterior pericallosal branch of the posterior cerebral artery.
	bubbasoft.org /carotid_collaterals/lateral_vertebral.htm (550 words)

	AANS.org \| Education and Meetings \| AANS Scientific Journals \| Neurosurgical Focus
		Vertebral artery dissections tend to originate extradurally and may pose a greater risk to the PICA and of brainstem infarction when the PICA origin is extradural.[6,13] In this paper we examine the microsurgical anatomy of paired PICAs with an extradural origin.
		In a series of 42 PICAs examined by Lister, et al.,[18] the caudal limit of this segment was located at the caudal pole of the tonsil in 11 PICAs, inferior to the caudal pole in eight, and superior to the caudal pole in 23 PICAs.
		The distal descending limb proceeded posteriorly in the telovelotonsilar fissure (Fig.
	www.aans.org /education/journal/neurosurgical/august99/7-2-p2.asp (2910 words)

	Neuroananatomy_Exam_II
		The posterior inferior cerebellar artery (PICA) branches from the basilar artery.
		The central artery of the retina is a branch of the posterior ciliary artery.
		The ophthalmic artery is a branch of the anterior cerebral artery.
	www.mc.edu /~sbaldwin/Neuroanatomy_Exam_II.html (1428 words)

	Blood Supply of the Brain (Site not responding. Last check: 2007-10-21)
		The posterior cerebral artery is connected to the internal carotid artery by the posterior communicating artery.
		And most of the internal capsule (except ventral part of the posterior limb which is supplied by the anterior choroidal artery).
		Posterior cerebral artery and superior cerebellar artery (sup.
	www.geocities.com /medinotes/blood_supply_brain.htm (453 words)

	Acute bilateral cerebellar infarcts in the territory of posterior inferior cerebellar artery -- Kang et al. 55 (4): 582 ...
		Acute bilateral cerebellar infarcts in the territory of posterior inferior cerebellar artery -- Kang et al.
		Acute bilateral cerebellar infarcts in the territory of posterior inferior cerebellar artery
		infarcts in posterior inferior cerebellar artery (PICA) territory.
	www.neurology.org /cgi/content/abstract/55/4/582 (304 words)

	Cerebellar Arteriovenous Malformation (Site not responding. Last check: 2007-10-21)
		In this report a rare case of multiple peripheral aneursyms of the posterior inferior cerebellar artery (PICA) found in association with a cerebellar AVM is described, and the literature concerning aneurysms of PICA, cerebellar AVMs and combined intracranial vascular abnormalities are discussed.
		These images were not suitable for demonstrating the AVM with aneurysms, but the enhancement of a cerebellar lesion with the findings of subarachnoid and intraventricular hemorrhage, directed the urgent evaluation of the vertebral arteries during the angiographic examination.
		Aneurysms of the PICA represent only 0.5 to 0.7% of all intracranial aneurysms and they are usually seen at the junction of the PICA and the vertebral artery, but occasionally may be found more distally.
	ams.cu.edu.tr /January2000Vol9No1/funda.html (890 words)

	CAN CEREBELLAR INFARCTIONS BE OVERLOOKED ?
		Cerebellar infarctions are mostly caused by the vertebral artery dissection and/or occlusion which generally may result in death if early diagnosis and treatment are not performed urgently.
		Posterior inferior cerebellar and superior cerebellar arteries are the most commonly affected arterial territories secondary to vertebral artery abnormalities.
		Cerebellar infarction, posterior inferior cerebellar artery, vertebral artery
	www.med.ege.edu.tr /~norolbil/2003/NBD21703.htm (1953 words)

	cerebellar disorders
		Hemispheric cerebellar syndromes are characterized by incoordination of the limbs.
		Because the cerebellum is supplied by three major arteries on each side (SCA or superior cerebellar artery, AICA or anterior inferior cerebellar artery, and PICA or posterior inferior cerebellar artery), there are many potential stroke syndromes to consider.
		In the Dandy-Walker syndrome (not to be confused with "Dandy's" syndrome, indicating bilateral vestibular loss), there is partial or complete agenesis of the cerebellar vermis, cystic formation of the posterior fossa communicationg with the fourth ventricle, and hydrocephalus.
	www.dizziness-and-balance.com /disorders/central/cerebellar/cerebellar.htm (1564 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		Posterior cerebral artery — terminal branch of the basilar artery; distributed to the inferior aspect of cerebral hemispheres & occipital lobe.
		Anterior communicating artery — branch of anterior cerebral artery; distributed to the cerebral arterial circle (of Willis) Posterior communicating artery — branch of posterior cerebral artery; distributed to optic tract, cerebral peduncle, internal capsule & thalamus.
		Posterior spinal arteries — a pair; branch of vertebral arteries or posterior cerebellar arteries; form anastamosing channels in pia mater— see diagram M p.487.
	www.med.unc.edu /wms/firstaid/ga4-session31-02.doc (935 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		The middle cerebral artery serves the outer regions of the cortex in the frontal and parietal areas as well as the majority of the temporal lobe.
		The posterior cerebral arteries form from a bifurcation of the basilar artery which lies along the anterior aspect of the brainstem.
		This artery runs the entire length of the spinal cord and is responsible for the majority of the oxygenation of the cord.
	www.uwm.edu /~tking/king5_10.htm (279 words)

	Atherothrombotic Cerebellar Infarction : Vascular Lesion-MRI Correlation of 31 Cases -- Min et al. 30 (11): 2376 -- ...
		vertebral artery lesion and coexistent basilar artery stenosis.
		Cerebellar infarction in the territory of the anterior and inferior cerebellar artery: a clinicopathological study of 20 cases.
		Cerebellar infarction in the territory of the superior cerebellar artery.
	stroke.ahajournals.org /cgi/content/full/30/11/2376 (3145 words)

	Multiple large and small cerebellar infarcts -- Canaple and Bogousslavsky 66 (6): 739 -- Journal of Neurology, ...
		territorial infarcts occupying the territory of the posterior inferior cerebellar artery (PICA), medial branch of the PICA
		Infarction in the territory of the medial branch of the posterior inferior cerebellar artery.
		Acute bilateral cerebellar infarcts in the territory of posterior inferior cerebellar artery
	jnnp.bmjjournals.com /cgi/content/full/66/6/739 (3085 words)

	Brain stem infarcts are less common than hemispheric infarcts but it is often difficult to localize them (Site not responding. Last check: 2007-10-21)
		The 7 th nerve is at the pontomedullary junction and the anterior inferior cerebellar artery affects the anterior and inferior part of pons, so it often involves the exiting fibers of the 7th nerve and the neighboring auditory nerve nucleus and the 5th nerve nucleus.
		Although this syndrome was originally thought to be caused by occlusion of the posterior inferior cerebellar artery, in majority of the cases, the occlusion is in the vertebral artery.
		Cerebellar infarction in the territory of the anterior and inferior cerebellar artery.
	www.indegene.com /Neu/FeatArt/indNeuFeatArt7.html (5228 words)

	vertebral/basilar
		The artery of Adamkiewicz is one of the most important radicular arteries, and in some individuals it may provide the entire arterial supply for the lower two-thirds of the spinal cord.
		PICA has a complicated looping course as it swings out around the inferior olives, and runs along the dorsal lateral surface of the medulla before turning laterally and supplying the inferior surface of the cerebellum.
		The vertebral arteries fuse at the junction between the medulla and the pons to form the single midline basila artery which then proceeds rostrally along the surface of the anterior pons.
	www.umassmed.edu /strokestop/module_three/vertebral_basilar.html (532 words)

	INTRACRANIAL ANUERYSMS
		Aneurysms of the posterior circulation are most frequently located at the bifurcation of the basilar artery or the junction of a vertebral artery and the ipsilateral posterior inferior cerebellar artery.
		In the absence of ophthalmic artery, meningo orbital artery (superior orbital branch of middle meningial artery) may be the primary blood supply to retina and warn the surgeon while drilling the lesser wing at surgery.
		In 15%, the labyrinthine or the internal auditory artery arises from the basilar artery.
	www.thamburaj.com /intracranial_aneurysms.htm (5159 words)

	King Edward Memorial Hospital - Departments: Radiology - Case Of The Month September 2003
		The vertebral arteries were seen to course along the anterior margin of the lesion.
		The aneurysm was packed with GDC coils and the left vertebral artery occluded distal to the posterior inferior cerebellar artery.
		The post embolization vertebral angiogram showed occlusion of left vertebral artery distal to posterior inferior cerebellar artery with good opacification of posterior inferior cerebellar artery and its branches.
	www.kem.edu /dept/radiology/case57_03.htm (558 words)

	posterior inferior cerebellar artery stroke - General Practice Notebook
		It is now recognised that the picture described may also result from partial occlusion of the basilar artery or occlusion of proximal arteries such as one vertebral artery.
		The terms posterior inferior cerebellar artery stroke and lateral medullary syndrome are synonyms.
		The syndrome is produced by a wedge-shaped infarction of the lateral medulla and inferior surface of the cerebellum.
	www.gpnotebook.co.uk /medwebpage.cfm?ID=463077404 (848 words)

	SCIschmia (Site not responding. Last check: 2007-10-21)
		A diagram of the anterior arteries of the spinal cord and brainstem (from www.t2star.com/angio/Neuro2.htm), showing the (1) vertebral arteries, (2) anterior spinal artery, (3) posterior inferior cerebellar artery, (4) basilar artery, (5) anterior inferior cerebellar artery, (6) pontine arteries, and (7) posterior cerebellar artery.
		Average CSF movement in the posterior spinal subarachnoid space is towards the tail while the average CSF movements in the anterior spinal space and central canal tend to be toward the head.
		The pia mater (1) is on the surface of the spinal cord.
	carecure.rutgers.edu /Spinewire/Articles/SCIschemia/SCIschemia.html (16827 words)

	eMedicine - Central Vertigo : Article Excerpt by: Keith A Marill, MD (Site not responding. Last check: 2007-10-21)
		The basilar artery is formed from the 2 vertebral arteries within the cranium at the level of the medulla.
		The posterior inferior cerebellar artery branches from the vertebral artery, while the anterior inferior cerebellar artery and the superior cerebellar artery branch from the basilar artery.
		A labyrinthine artery on each side branches from the basilar artery and supplies the labyrinth and associated structures via the internal auditory canal.
	www.emedicine.com /emerg/byname/central-vertigo.htm (587 words)

	Endovascular Treatment of Peripheral Cerebellar Artery Aneurysms -- Lubicz et al. 24 (6): 1208 -- American Journal of ...
		of the posterior circulation and 77% for aneurysms of the anterior
		Peripheral aneurysms of the posterior inferior cerebellar artery: analysis of 15 cases [in Japanese].
		Aneurysms of the posterior inferior cerebellar artery: a clinical and anatomical analysis.
	www.ajnr.org /cgi/content/full/24/6/1208 (2829 words)

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