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Topic: Medial medullary syndrome

Related Topics

Lateral medullary syndrome

Trigeminal nucleus

Medulla oblongata

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	Economy class stroke syndromes: vertebral artery dissection revisited -- Lewis et al. 74 (11): 1594 -- Journal of ...
		the anteromedial medullary perforating arteries arise from the
		tract, the medial lemniscus, and the medial longitudinal fasciculus,
		branches of the medulla causing the medial medullary syndrome,
	jnnp.bmj.com /cgi/content/full/74/11/1594 (1113 words)

	Neurological Exam: Medulla: Lesions: Vascular Lesions - Medial Medullary Syndrome (Inferior Alternating Hemiplegia) (Site not responding. Last check: 2007-10-12)
		A Sample Case: A 63 year old woman suddenly fell to the floor and was unable to rise.
		Loss of proprioception from the left lower extremity is consistent with injury to the ventral-most fibers of the medial lemniscus on the right side.
		Absence of other sensory findings limit the area of involvement to the distribution of the penetrating branches of the vertebral or anterior spinal artery, which include the pyramids, exiting fibers of CN XII, and the medial lemniscus.
	isc.temple.edu /neuroanatomy/lab/lesions/14.htm (267 words)

	eMedicine - Stroke Motor Impairment : Article by Adam B Agranoff, MD (Site not responding. Last check: 2007-10-12)
		The full medial medullary syndrome consists of upper and lower limb hemiplegia (face spared) and loss of posterior column sensation (position and vibration) on the contralateral side and involvement of the tongue on the ipsilateral side due to involvement of the corticospinal tract at the medullary pyramid, the lateral lemniscus, and hypoglossal nucleus or nerve.
		The Millard-Gubler syndrome is described as an alternating hemiparesis with ipsilateral lateral rectus and facial palsy and contralateral upper and lower limb hemiparesis due to damage of the CN VI tract, the CN VII tract, and the corticospinal tract.
		Ho KL, Meyer KR: The medial medullary syndrome.
	www.emedicine.com /pmr/topic189.htm (8415 words)

	Brain stem infarcts are less common than hemispheric infarcts but it is often difficult to localize them (Site not responding. Last check: 2007-10-12)
		These are the syndromes resulting from occlusion of paramedian mesencephalic arteries, the basilar penetrating arteries in the pons, the superior cerebellar artery, the anterior inferior cerebellar artery and the posterior inferior cerebellar artery in the medulla.
		In the midbrain "locked in" syndrome, patients have bilateral nuclear third nerve palsy and the quadriplegia is due to involvement of corticospinal fibers bilaterally, because the pyramidal tracts are supplied by paramedian arteries.
		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.
	www.indegene.com /Neu/FeatArt/indNeuFeatArt7.html (5228 words)

	sgdiencephelon
		The internal medullary lamina is a thin,Y-shaped sheet of myelinated fibers that divides the thalmus into medial, dorsal, and lateral tiers.
		This nucleus consista of a thin invisable layer of nerve cells that is located between the external medullary lamina of the thalmus and the internal capsul.
		This is a complex of nuclei in the core of the internal medullary lamina.
	www.unc.edu /~ears/classes/neuro/studyguides/sgdiencephalon.html (1871 words)

	Dorlands Medical Dictionary
		medulla´ris media´lis cor´poris stria´ti [TA] medial medullary lamina of corpus striatum: a layer of white substance that divides the medial portion of the lentiform nucleus (globus pallidus) into a larger, lateral, and a smaller, medial part; called also internal medullary l.
		of corpus striatum, medial medullary stria of corpus striatum, and l.
		medulla´ris media´lis tha´lami [TA] internal medullary layer of thalamus: one of two layers of myelinated nerve fibers in the dorsal thalami; it is a vertical sheet of white substance which partially splits anterosuperiorly and separates the medial and lateral nuclei.
	www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_l_02zPzhtm (3826 words)

	Medial medullary syndrome - Wikipedia, the free encyclopedia
		The vessel usually involved is the anterior spinal artery which supplies the medial part of the medulla oblongata.
		The condition usually consists of a weakened tongue on the affected side of the brainstem (due to involvement of the hypoglossal nerve), weakness of the limbs on the contralateral (opposite) side (caused by pyramidal tract damage), and a loss discriminative sensation on the contralateral side (from medial lemniscus involvement).
		Sensation of pain and temperature from the body is preserved, as this travels up the spinothalamic tract which is more lateral in this part of the brainstem, and supplied by the vertebral or the posterior inferior cerebellar artery.
	en.wikipedia.org /wiki/Medial_medullary_syndrome (204 words)

	Medial medullary syndrome biography .ms (via CobWeb/3.1 planetlab2.cs.unc.edu) (Site not responding. Last check: 2007-10-12)
		Medial medullary syndrome (also known as Dejerine syndrome) is a set of clinical features resulting from an infarction in the brainstem.
		The condition usually consists of a weakened tongue on the affected side of the brainstem (due to involvement of the hypoglossal nerve), weakness of the limbs on the contralateral (opposite) side (caused by pyramidal tract damage), and a loss discriminative sensitation on the contralateral side (from medial lemniscus involvement).
		Sensation on the face is usually intact, as this travels mostly by the trigeminal nucleus; most of this nucleus is higher up in the pons, and the spinal part (responsible for pain sensation) is lateral to the infarct.
	www.biography.ms.cob-web.org:8888 /Medial_medullary_syndrome.html (164 words)

	Balint-Holmes syndrome combining paralysis of visual fixatio
		Horner syndrome results from an interruption of the sympathetic nerve supply to the eye, and is characterized by the classic triad of miosis (ie, constricted pupil), partial ptosis, and loss of hemifacial sweating (ie, anhidrosis).
		Gerstmann's syndrome is a neurological disorder characterized by four primary symptoms: a writing disability (agraphia or dysgraphia), a lack of understanding of the rules for calculation or arithmetic (acalculia or dyscalculia), an inability to distinguish right from left, and an inability to identify fingers (finger agnosia).
		Description:A syndrome of unilateral softening of the brain tissue arising from obstruction of the blood vessels of the pons, involving the sixth and seventh cranial nerves and fibres of the corticospinal tract, and associated with paralysis of the abducens and facial nerves and contralateral hemiplegia of the extremities.
	www.aippg.net /forum/viewtopic.php?t=51281 (3381 words)

	The Brain Stem and Cerebellum
		The medial lemnisci are medially situated in the medulla, but in the pons they become horizontally oriented and by the midbrain they are situated laterally, near the spinothalamic tracts.
		Lesions of the medial longitudinal fasciculus (MLF) between the sixth and third nerve nuclei cause weakness of adduction on attempts at horizontal gaze, but not with convergeance.
		The critical structures involved are the descending corticospinal and corticobulbar fibers in the cerebral peduncle, and the fibers of the third nerve that traverse the peduncle on exiting the midbrain.
	medinfo.ufl.edu /year2/neuro/review/bsc.html (1520 words)

	>Neuroscience: Neuroanatomy (Site not responding. Last check: 2007-10-12)
		MEDIAL INFERIOR PONTINE SYNDROME: Occlusion of the Paramedian Branch of the Basilar Artery
		POSTERIOR LIMB SYNDROME: Occlusion of the Anterior Choroidal Artery.
		NEGLECT SYNDROME: A lesion to the posterior Parietal Lobe of the Non-Dominant Hemisphere.
	www.geocities.com /doctor_uae/neuro2.htm (6166 words)

	Stroke Syndromes \| Internet Stroke Center
		Rare stroke syndrome (<1% of vertebrobasilar strokes, Bassetti et al., 1994).
		Medial medullary infarct is associated with clinical triad of ipsilateral hypoglossal palsy, contralateral hemiparesis, and contralateral lemniscal sensory loss.
		Medial medullary stroke: report of seven patients and review of the literature.
	www.strokecenter.org /prof/syndromes/syndromePage2.htm (107 words)

	Nya aspekter på Wallenbergs synd... (Site not responding. Last check: 2007-10-12)
		Medial medullary infarcts often present with a lacunar syndrome mimicking capsular or pontine small vessel
		Lateral medullary infarction - the pattern of vascular occlusion.
		The singular affection of Gaspard Vieusseaux: an early description of the lateral medullary syndrome.
	ltarkiv.lakartidningen.se /artNo29053 (652 words)

	exam2_95
		She exhibitied Horner's syndrome on the right (constriction of the pupil, doping of the upper eyelid, eye appears retracted loss of sweating etc).
		She is diagnosed as suffering from the medial medullary syndrome, involing the left side of the brain.
		Lesions to the lateral portions of the medulla (Lateral Medullary syndrome) results in loss of pain and temperature on the contralateral body and ipsilateral face.
	www2.umdnj.edu /~paneuweb/exam2_95.htm (2596 words)

	Acute Dizziness and Vertigo
		The complete form of Wallenberg’s, like many classic syndromes, is uncommon, but lateral medullary syndromes are being more frequently recognized and isolated vertigo may be the only symptom.
		The classic cause of Wallenberg’s syndrome is infarction involving the lateral or medial branches of the posterior inferior cerebellar artery (PICA).
		Cerebellar and lateral medullary infarctions can be misdiagnosed as peripheral labyrinthitis, because of the prominent symptoms of nausea and vomiting and the frequent absence of focal weakness.
	www.ferne.org /Lectures/Bergey_MS.htm (2760 words)

	C:\FILES\ARTICLES\ws197jun98.htm
		The clinical characteristics of the stroke syndromes of the VB and PCA are often distinct from those of the carotid, middle, anterior and anterior choroidal arteries.
		Lateral medullary infarction produces Wallenberg's syndrome of ipsilateral limb and gait ataxia, dizziness, nystagmus, loss of pain and temperature sensation on the face with loss of corneal reflex, Horner's syndrome, hoarseness and palatal weakness with loss of taste and contralateral loss of pain and temperature sensation on the body.
		from the contralateral anterior spinal is inadequate, infarction of the medial caudal medulla produces contralateral limb but not facial paralysis, contralateral loss of position and vibration and ipsilateral weakness and later atrophy of the tongue: the medial medullary syndrome.
	www.brown.edu /Departments/Clinical_Neurosciences/articles/ws19798.html (4562 words)

	Case 2 Veering Right
		He had a partial Horner's syndrome (his right pupil was smaller than the left but reactive, and his right lid drooped slightly).
		This is because the cranial nerves are uncrossed (except CN 4) while axons in the two major somatosensory pathways for the body (the spinothalamic tract and medial lemniscus) have crossed the midline at or below the caudal medulla.
		Horner's syndrome (ptosis, miosis, anydrosis, enophthalmos) caused by a lateral medullary lesion is due to interruption of reticulospinal fibers.
	www.umassmed.edu /strokestop/module_five/case2.html (481 words)

	Imigraine.Net B. Todd Troost, M.D.
		This pathway lies in the reticular substance of the medulla medial to the descending root of the trigeminal nerve and the spinothalamic tract, and evidently receives fibers from these two tracts.
		We have previously discussed the thalamic syndrome of Déjerine and Roussy (1906) that occurs primarily from thrombosis of the thalamogeniculate artery.
		In this syndrome, there is complete contralateral hemianalgesia (and homonymous hemianopia) that is usually transient, giving way to painful sensations of a peculiarly disagreeable quality upon stimulation of the opposite side of the body.
	imigraine.net /other/central.html (1086 words)

	Sensory Sequelae of Medullary Infarction : Differences Between Lateral and Medial Medullary Syndrome -- Kim and ...
		involvement of the spinothalamic tract by LMI and the medial
		Medial medullary syndrome: Report of 18 new patients and a review of the literature.
		Spontaneous neuronal hyperactivity in the medial and intralaminar thalamic nuclei of patients with deafferentation of pain.
	stroke.ahajournals.org /cgi/content/full/30/12/2697 (3651 words)

	Skeletal Dysplasias
		These physicians certainly realized that this child had an unusual syndrome outside of their experience, did their best to figure it out, and told the parents that the child would be massively mentally retarded.
		Unfortunately, this syndrome is associated with an increased likelihood (up to 10 %, depending upon which study one quotes) that one or more of these osteochondromas will undergo malignant degeneration into something awful, usually a chondrosarcoma.
		Radiology of syndromes, metabolic disorders, and skeletal dysplasias.
	www.rad.washington.edu /mskbook/dysplasia.html (4747 words)

	ICP monitors
		The motor nucleus of V is medial to the chief sensory nucleus, and supplies the muscles of mastication (branchial motor).
		• Occlusion of a medullary branch of a vertebral artery.
		Hypoglossal nucleus, nucleus solitarius, and nucleus of the spinal trigeminal tract from medial to lateral.
	www.ucsf.edu /nreview/02.1-Anatomy-Brain&SC/Brainstem.html (3416 words)

	Arquivos de Neuro-Psiquiatria - Acquired Ondine's curse: case report (Site not responding. Last check: 2007-10-12)
		In the present clinical case, findings from both medullary syndromes were found with acute involvement of the pontine cranial nerves (V, VII, IX and X) and of the inferior cerebellar peduncle were found.
		The vertebral arteries are the main blood supply to the medulla, reaching not only the lower three fourths of the pyramids, but also the medial lemnisci and the most of the retroolivar region (lateral medullary region), the restiform body and the inferior and posterior portions of the cerebelar hemisphere.
		The signs and symptoms presented by the patient, as well as their relation to recognized medullary syndromes, are summarized in Table 1.
	www.scielo.br /scielo.php?script=sci_arttext&pid=S0004-282X2004000300027&lng=en&nrm=iso&tlng=en (2577 words)

	MerckMedicus : Dorland's Medical Dictionary (Site not responding. Last check: 2007-10-12)
		capsulare an open-angle glaucoma associated with the exfoliation syndrome, and with particles of iris pigment scattered in the anterior angle.
		In official anatomic nomenclature, it is divided by the medial medullary lamina into two parts, lateral and medial (see g.
		a type seen in patients with the nephrotic syndrome, characterized by diffuse glomerular proliferation of mesangial and endocapillary cells and mesangial matrix; IgM deposits and complement 3 are often found in the mesangium.
	www.merckmedicus.com /pp/us/hcp/thcp_dorlands_content.jsp?pg=/ppdocs/us/common/dorlands/dorland/dmd_g_07.htm (4196 words)

	Unit 5, 2000: Vasculature
		Be familiar with the major clinical syndromes related to occlusion of branches of the vertebral and basilar arteries, relating each to the appropriate vessel and the appropriate brain stem region.
		Horner's Syndrome (miosis, ptosis, anhydrosis) ipsilateral to lesion
		It receives tributaries from the medial aspects of the cerebral hemispheres and drains into the straight sinus, which is located at the attachment of the falx cerebri to the tentorium cerebelli.
	www.med.uiuc.edu /m1/neurosci/Web_Neuro_2001/protected/curriculum/Unit_06_01_Vasculature/Vasculature.htm (3139 words)

	Medulla oblongata - Psychology Wiki - A Wikia wiki
		A blockage (such as in a stroke) will injure the pyramidal tract, medial lemniscus and the hypoglossal nucleus.
		The posterior inferior cerebellar artery, a major branch of the vertebral artery, supplies the posterolateral part of the medulla, where the main sensory tracts run and synapse.
		Lateral medullary syndrome can be caused by occlusion of either the PICA or the vertebral arteries.
	psychology.wikia.com /wiki/Medulla_oblongata (623 words)

	Arch Neurol -- Abstract: The medial medullary syndrome, June 1981, Ho and Meyer 38 (6): 385 (Site not responding. Last check: 2007-10-12)
		Arch Neurol -- Abstract: The medial medullary syndrome, June 1981, Ho and Meyer 38 (6): 385
		inferior olivary nucleus, medial lemniscus, and hypoglossal nerve.
		Central facial weakness due to medial medullary infarction: the course of facial corticobulbar fibres
	archneur.ama-assn.org /cgi/content/abstract/38/6/385 (152 words)

	RedOrbit NEWS \| Unusual Osteochondroma of the Medial Part of the Clavicle Causing Subclavian Vein Thrombosis and ...
		We have described a rare case of thoracic outlet syndrome, with axillary-subclavian vein thrombosis and brachial plexus compression, secondary to an atypical medial clavicular osteochondroma.
		Sagittal computerized tomographic scan of the medial part of the left side of the chest, demonstrating an osseous lesion projecting posteriorly from the medial aspect of the clavicle and confirming cortical and medullary continuity between the lesion and the host clavicle.
		This medial (sternal) secondary ossification center and physis contribute almost 80% of the clavicle's longitudinal growth, whereas the primary ossification centers contribute little to the increase in clavicular length15.
	www.redorbit.com /modules/news/tools.php?tool=print&id=113881 (1724 words)

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