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  • Hypoglossal Nerve Palsy

    The tumor arose from the caudal trunk, while the intact rostral trunk entered the hypoglossal canal normally.[] […] nerves Cranial mononeuropathies A cranial nerve mononeuropathy is a condition in which only a single cranial nerve or nerve group is damaged.[] Signs and symptoms of hypoglossal nerve palsy are highly distinctive, the main feature being a unilateral weakness of the tongue.[] […] dissection and thrombus within the left internal carotid artery.[] […] caused by meningeal inflammation.[] Posterior instrumentation in which a C-1 lateral mass screw and C-2 pedicle screw were placed was performed.[] Further slow expansion of the mastoid pneumocele led to a secondary middle fossa pneumatocele.[] Hypoglossal Nerve Palsy (ie ‘paralysis’ of the muscles supplied by the Hypoglossal Nerve ) is well recognised complication of trauma / infection / procedures affecting the floor[] […] [email protected] 2 Department of Radiology, University of Ottawa, The Ottawa Hospital; Ottawa, ON, Canada. 3 Department of Radiology, The University of Texas Medical Branch[] Isolated hypoglossal nerve palsy was noted in 5 patients (31 %) and 7 patients (44 %) had posterior cranial fossa tumour spread.[]

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  • Abducens Nerve Palsy

    Favorites PDF Get Content & Permissions Open Pulmonary arterial stent for pulmonary trunk stenosis after size-mismatched lung transplantation Xiao, Fei; Liang, Chao-Yang;[] The sixth cranial nerve has a long subarachnoid course.[] […] year-old girl presented after a motor vehicle accident with multiple cranial neuropathies, including bilateral abducens nerve pareses and right facial, glossopharyngeal, and hypoglossal[] Magnetic resonance venography of the head and neck revealed thromboses in left internal jugular vein, left cavernous sinus, left superior ophthalmic vein, and left sigmoid[] KEYWORDS: Abducens nerve palsy; Horner syndrome; Zoster meningitis[] The abducens nerve (cranial nerve VI) is known for its very long travel from the brainstem to the ipsilateral lateral rectus muscle, where it provides an important function[] Abstract A 29-year-old man presented with skull base fractures involving the bilateral petrous bones and clivus to the posterior clinoid process manifesting as bilateral abducens[] A brain MRI showed an infiltrative lesion invading the left posterior nasal cavity and pterygopalatine fossa, and extending into the left paracavernous region.[] According to their intraoperative radiographs, the side effect resulted from irregular balloon shape and inflation of the balloon towards the sellar floor.[] Proposed mechanisms include direct compression of the bilateral abducens nerves, vasospasm of the pontine branches of the basilar artery and hydrocephalous.[]

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  • Hemifacial Spasm

    CONCLUSIONS: Reports concerning decompression methods of AICA-PICA common trunk anomaly are very rare.[] Hyperactive dysfunction may affect all cranial nerves in the posterior fossa.[] The authors report an unusual course of the hypoglossal nerve within the posterior cranial fossa observed during microvascular decompression surgery for hemifacial spasm.[] The left common carotid artery and the left Subclavian artery were absent. Right vertebral angiography showed retrograde filling of the left vertebral artery.[] The right petrosal DAVF was reached through the middle meningeal artery using a transfemoral arterial approach and was occluded with Onyx 18 (M.T.I.- ev3, Irvine, CA, USA)[] […] was confirmed at surgery where microvascular decompression of the facial nerve was performed without complication.[] Vascular tortuosity in HFS patients has not been quantified objectively and its relationship with hypertension and posterior fossa volume (PF) is unknown.[] […] could be referable to the facial nerve nucleus involvement and that clinical nuances could be related to the specific somatotropy of the nucleus under the fourth ventricle floor[] Modified AMR monitoring was adopted in our study, with the zygomatic branch of the facial nerve stimulated and the temporal branch, buccal branch, marginal mandibular branch[] Stroke, multiple sclerosis, and basilar meningitis are considered noncompressive lesions. These can elicit spasms. There is no prevention for hemifacial spasms.[]

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  • Cerebellopontine Angle Tumor

    Ultimately if untreated, the acoustic neuroma can compress the cerebellar peduncles ("trunks" of the cerebellum that join the cerebellum to the pontine portion of the brain[] Results and complications from acoustic neuroma excision via middle cranial fossa a SUGGESTED READING Gantz BJ.[] Masseteric nerve grafting resulted in earlier recovery compared with hypoglossal nerve grafting (5.6 vs 10.8 months, P  .005).[] "gaze-evoked" nystagmus in left gaze.[] Mixed tumors composed of neoplastic Schwann and meningeal cells have rarely been reported.[] Preferred Name Craniectomy for excision of brain tumor, infratentorial or posterior fossa; except meningioma, cerebellopontine angle tumor, or midline tumor at base of skull[] RESULTS: The incidence of meningitis in our series of 1146 patients was 4.54 percent; 0.87 percent was culture-proven bacterial meningitis.[] Definition / general Common terminology but inaccurate because does not derive from acoustic branch of CN VIII and is not a neuroma Also called vestibular schwannoma, neurilemmoma[] Solitary intracerebral metastases from prostatic cancer are infrequent, and their location in the posterior fossa with extension in the cerebellopontine angle is quite unusual[] We present the first case of a fetal type extracardiac rhabdomyoma manifesting at a cranial nerve.[]

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  • Glossopharyngeal Palsy

    […] located adjacent to crossed ascending fibers of the spinothalamic tract, producing a “crossed” sensory loss for pain and temperature (ipsilateral face, contralateral arm/trunk[] Sounds like glossopharyngeal nerve ( 9th cranial nerve) palsy. 2.[] Hypoglossal Nerve Palsy Damage to the hypoglossal nerve is a relatively uncommon cranial nerve palsy.[] […] a) Right sided 10th nerve lesion b) Left sided 10th nerve lesion and right sided 9th nerve lesion c) Left sided 9th nerve lesion d) Left sided 9th and 10th nerve lesion Correct[] Conditions which can affect any cranial nerve Diabetes mellitus MS Tumours Sarcoid Vasculitis (eg, polyarteritis nodosa) Systemic lupus erythematosus (SLE) Syphilis Chronic meningitis[] Clinical features include: loss of sensation - tested by the gag reflex loss of taste sensation on the posterior 1/3 of the tongue The competence of cranial nerves IX and[] The nerve may be injured by diseases affecting the lower brain stem, floor of the posterior fossa, jugular foramen, or the nerve's extracranial course.[] Zygomatic branch goes to the zygoma, orbital and intraorbital area 3. Buccal branch to all buccinator mm and upper lip 4. Mandibular branch to lower lip and chin mm 5.[] […] sensation: ophthalmic (V 1 ), maxillary (V 2 ), mandibular nerve (V 3 ) Mucous membranes of the oral and nasal cavity; soft and hard palate Teeth; temporomandibular joint Meninges[] Its sensory fibres supply all sensation to the tonsillar fossa and pharynx (the afferent pathway of the gag reflex), and taste to the posterior third of the tongue.[]

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  • Accessory Nerve Palsy

    , larynx, and esophagus; its spinal trunk continues down the neck to innervate the sternocleidomastoid and trapezius muscles.[] […] nerves Cranial mononeuropathies A cranial nerve mononeuropathy is a condition in which only a single cranial nerve or nerve group is damaged.[] ‘This area, too, is an area through which a massive tangle of facial nerves (including the hypoglossal and accessory nerves) exit the skull to fan out across the face.’[] EMG showed recovery in the left spinal accessory nerve.[] Conditions which can affect any cranial nerve Diabetes mellitus MS Tumours Sarcoid Vasculitis (eg, polyarteritis nodosa) Systemic lupus erythematosus (SLE) Syphilis Chronic meningitis[] nerve recovers.[] Abstract After apparently uncomplicated excision of benign lesions in the posterior cervical triangle, two patients had shoulder pain.[] We conclude that, in cases of apparently isolated accessory nerve palsy, neuroradiological investigations should include the posterior fossa.[] It exits with the vagus nerve through the jugular foramen, pierces the sternocleidomastoid muscle, and descends obliquely across the floor of the posterior triangle of the[] […] axonotmesis of spinal accessory branches to the lower trapezius.[]

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  • Acoustic Neuroma

    Although little information is available on its exact incidence, truncal (trunk, abdomen, chest) ataxia appears to be more common than limb ataxia.[] […] vestibular nerve Benign neoplasm of cranial nerve Benign neoplasm, cranial nerve Bilateral acoustic neuromas Melanocytoma of optic nerve Melanocytoma, optic nerve Neoplasm[] […] reanimating the paralyzed face after AN resection is to restore function of the native facial muscles using available facial nerves or repurposed cranial nerves, mainly the hypoglossal[] Temporal bone CT scanning revealed a medium-sized cerebellopontine angle tumour in the left ear.[] A brief overview was made of post-neurosurgical Gram-negative meningitis.[] […] the retention of facial nerve function and the quality of life.[] E is the most posterior point of posterior wall of auditory canal at the plane that goes through the posterior semicircular canal.[] OBJECTIVE: To analyze postoperative complications after microsurgery for acoustic neuroma (AN) via the middle fossa approach (MFA).[] Feasibility, internal consistency, test-retest reliability, construct validity, and ceiling and floor effects were assessed for the present study.[] Cranial nerves VII and VIII receive their blood supply from small branches of AICA.[]

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  • Oculomotor Nerve Paralysis

    CN III palsy without pupil involvement, as mentioned above pupillary fibers occupy a peripheral location and receive more collateral blood supply that the main trunk of the[] […] nerves Cranial mononeuropathies A cranial nerve mononeuropathy is a condition in which only a single cranial nerve or nerve group is damaged.[] […] sensory component of this reflex is mostly via CN IX) Accessory nerve (CN XI) Sternocleidomastoid muscle Trapezius muscle Weakness with turning of the head Shoulder droop Hypoglossal[] The presence of a left-sided third nerve palsy and right sided pyramidal signs suggested a left midbrain lesion.[] Neurobrucellosis is most frequently observed with meningitis and has numerous complications, including meningocephalitis, myelitis, cranial nerve paralyses, radiculopathy,[] […] oculomotor nerve paralysis Human disease III nerve palsy IIIrd nerve Paralysis Third cranial nerve paralysis, NOS Third cranial nerve paralysis Statements Identifiers Sitelinks[] A mucocele of the right posterior ethmoid sinus was observed with radiology.[] The axons course ventrally and leave the brainstem with the motor component of III medial to the cres cerebri in the lateral part of the intercural fossa.[] Various branches of the oculomotor nerve provide for muscle sense and movement in most of the muscles of the eye, for constriction of the pupil, and for accommodation of the[] […] nerve paralysis after percutaneous intervention. ( 19054794 ) Kocabay G....Bayram T. 2009 5 Transient isolated oculomotor nerve paralysis in neonatal group B streptococcal meningitis[]

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  • Jugular Foramen Syndrome

    […] soft palate on the same side, and, according to Jackson and Jackson, 3 "there may be loss of pain and temperature sense on the opposite side, including the extremities, trunk[] […] syndrome Multiple cranial nerve palsies in sarcoidosis Multiple cranial nerve palsy Oromandibular-limb hypogenesis spectrum Sarcoidosis with multiple cranial nerve palsies[] Examination demonstrated paralysis of the right vagus and hypoglossal nerve.[] Loss of gag reflex was remarkable on the left. Paresis was found on the left vocal cord. There was weakness in rotation of the head to the right.[] […] secondary from the uper cervical lymph nodes) symptoms : - pain in or behind ear due to irritation of the auricular branches of the 9 and 10 - headache due to irritation of the meningeal[] The tumour was resected via suboccipital craniectomy, and diagnosed as a neuroma of the eleventh cranial nerve.[] Despite their rarity, posterior cervical osteophytes can result in the development of jugular foramen syndrome, according to researchers.[] Eustachean tube passes through base of skull between foramen ovale and lacerum to reach nasopharynx Inferior border (floor) is the superior surface of the soft palate Cranial[] The posterior transmits the sigmoid sinus (becoming the internal jugular vein ) and some meningeal branches from the occipital and ascending pharyngeal arteries 4).[] The left jugular foramen was narrowed by a thick bony projection filling the jugular fossa.[]

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  • Meningeal Melanocytoma

    Some studies identify the scalp, neck and trunk as sites with a greater predilection to cerebral metastasis.[] Although it may occur at the base of the brain, it is extremely rare at the anterior cranial fossa.[] Abstract We report a rare case of meningeal melanocytoma in the left frontal region. A 45-year-old man complained of a headache.[] Meningeal melanocytoma is an essentially benign melanotic tumor, derived from the melanocytes of the leptomeninges, and may occur anywhere in the cranial and spinal meninges[] Abstract A case of a meningeal melanocytoma involving the C8 nerve root is presented.[] These lesions, although rare, should be considered in the differential diagnosis of tumors of the posterior fossa.[] Angiography revealed a hypervascular tumor, which was fed from the dorsal sellar floor. We had difficulty resecting the tumor, but achieved total removal.[] Clinically, nevus of Ota presents as a blue or gray patch on the face, which is congenital or acquired and is within the distribution of the ophthalmic and maxillary branches[] Neoplasms › D10-D36 Benign neoplasms, except benign neuroendocrine tumors › D33- Benign neoplasm of brain and other parts of central nervous system › Benign neoplasm of cranial[] On physical examination he had asymptomatic, bluish, speckled, and well-demarcated hyperpigmented macules on the left midface extraorally.[]

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