Type cranial nerve neoplasms. Medical search. Frequent questions

Primary brain tumors arise from CNS tissue and account for roughly half of all cases of intracranial neoplasms. (medscape.com)
Presenting complaints of patients with an intracranial neoplasm tend to be similar for primary brain tumors and intracranial metastases. (medscape.com)
Tumors of the cranial nerve sheath constitute 5% to 10% of all intracranial neoplasms, yet few articles have described their CT and MR characteristics. (ajnr.org)
Cranial nerve sheath tumors constitute 5% to 10% of all intracranial neoplasms. (ajnr.org)
When the origin could be identified, almost all these tumors were histologically proved to be schwannomas of the glossopharyngeal nerve. (ajnr.org)
Pituitary gland neoplasms and tumors arising from cranial nerves are considered secondary brain tumors. (vin.com)
Clinically, these tumors may present as a cranial neuropathy, abdominal or soft tissue mass, intracranial lesion, or with spinal cord compression. (ed.ac.uk)
Pituitary tumors may compress adjacent structures, including the HYPOTHALAMUS, several CRANIAL NERVES, and the OPTIC CHIASM. (embl.de)
Symptoms from posterior fossa tumors also occur when the tumor damages local structures, such as the cranial nerves. (medlineplus.gov)
In the transsphenoidal approach, tumors invading the CS through its medial wall are approached inferomedially following the direction of tumor growth, which spares the cranial nerves. (surgicalneurologyint.com)
The functions of the lower cranial nerves are formally established for large and giant tumors with inferior extension. (neurosurgicalatlas.com)
Despite extension of the large and giant tumors through the jugular foramen, they are microsurgically dissected off of the lower cranial nerves without significant risk. (neurosurgicalatlas.com)
Although thyroid neoplasms are the most common endocrine tumors in head and neck, thyroid cancer is a relatively uncommon neoplasm [ 4 ]. (biomedcentral.com)
Visual pathway gliomas are the most common type of tumor encountered, but other types of low-grade and less frequently high-grade, primary central nervous system tumors may occur. (medlink.com)
Then, papilledema , visual deficits, and symptoms suggestive of a central nervous system (CNS) infection of any etiology (bacterial, viral, fungal ) may be seen if the nerve is compromised in the subarachnoid space, as various tumors, sarcoidosis , pseudotumor cerebri and meningitis have been described as potential etiologies [1]. (symptoma.com)

Vestibular schwannomas (VSs), also called acoustic neuromas , account for 8% to 10% of intracranial neoplasms. (neurosurgicalatlas.com)
Neurofibromatosis 1 is an autosomally dominated inherited genetic condition that predisposes those involved to the development of intracranial neoplasms. (medlink.com)

In their study, "Facial Nerve Paralysis Secondary to Occult Malignant Neoplasms," the researchers conclude that facial nerve exploration should be considered for patients with a history of pain or regional skin cancer, involvement of other cranial nerves, and prolonged facial paralysis. (news-medical.net)
Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms . (lookformedical.com)
Mucoepidermoid carcinoma is a malignant neoplasm of exocrine glands that arises predominantly in salivary glands. (bvsalud.org)
Skin Neoplasms Malignant And Unspec. (drugcite.com)
Only 20% of these neoplasms are malignant and 50% of these neoplasms arise from the deep lobe of the parotid gland or minor salivary glands [ 3 ]. (biomedcentral.com)
Majority of malignant intracranial tumours were WHO grade I. Rare variant like clear cell type was also observed. (jebmh.com)
Malignant peripheral nerve sheath tumours. (ijorl.com)
Abducens nerve palsy may occur due to a myriad of infectious, inflammatory, genetic, or malignant diseases. (symptoma.com)
Malignant morphology, and 3 (1.6%) did not register histology and coded neoplasms of gum, floor of mouth and other and unspecified parts topography to ICD-9. (who.int)

A very large vestibular schwannoma may cause ninth cranial nerve palsy. (ajnr.org)
A physical examination revealed isolated left abducens nerve palsy. (hindawi.com)
This report is unique in two aspects: the unilateral abducens nerve palsy as the initial and isolated symptom of ENKL, and the primary sphenoidal sinus ENKL. (hindawi.com)
Abducens nerve palsy is a common clinical finding in neurology practice and the etiology of the palsy is complicated. (hindawi.com)
The common causes of unilateral abducens nerve palsy are neoplasm and vascular disease in middle-aged people [ 1 ]. (hindawi.com)
Multiple cranial nerve deficits or bilateral abducens nerve palsy associated with ENKL have been reported [ 3 ], but isolated unilateral abducens palsy is rarely reported. (hindawi.com)
Herein we report a case with unilateral abducens nerve palsy as initial symptom in the primary sphenoidal sinus ENKL and investigated the clinical feature of the diagnosis and therapy. (hindawi.com)
He was found to have isolated left abducens nerve palsy. (hindawi.com)
The objectives of this study were to examine the differential palsy rates between the left and right RLNs, and the role of intraoperative nerve swelling as a risk factor of postoperative palsy. (symptoma.com)
Bell palsy is an acute, unilateral, peripheral, lower-motor-neuron facial nerve paralysis that gradually resolves over time in 80-90% of cases. (medscape.com)
Bell palsy is one of the most common neurologic disorders affecting the cranial nerves, and it is the most common cause of facial paralysis worldwide. (medscape.com)
Bell's palsy is the most common peripheral paralysis of the facial nerve or cranial nerve VII, has an incidence of 20 per 100,000 and carries a lifetime risk of 1 in 60. (emboardbombs.com)
Bells palsy is a unilateral facial weakness due to palsy in the facial nerve itself, thus involving the forehead. (emboardbombs.com)
Bilateral facial nerve palsy is classically associated with Lyme disease and is the correct answer on every test question, but it's not just tick-borne illnesses you need to look out for. (emboardbombs.com)
In the correct clinical context of bilateral facial nerve palsy and suggestion of intracranial mass, get advanced imaging. (emboardbombs.com)
The most common neurological finding in Lyme disease is facial nerve palsy. (emboardbombs.com)
However, in this case, there is dysfunction of the ipsilateral abducens nerve resulting in a lateral gaze palsy. (emboardbombs.com)
In fact, abducens nerve palsy is one of the most frequent nerve palsies encountered in clinical practice, with an established incidence rate of 11.3 per 100 000 individuals [3]. (symptoma.com)
Certain authors have divided the pathologies that cause abducens nerve palsy according to their anatomical sites (the brain stem, subarachnoid space, the petroclival region, the cavernous sinus , and the orbit), and numerous conditions, both localized and systemic, may cause this condition [1] [2]. (symptoma.com)
The principal symptom of abducens nerve palsy is the presence of binocular horizontal diplopia , as the eye is not able to perform abduction, resulting in lateral displacement [4] [5]. (symptoma.com)
For example, contralateral hemiparesis , ipsilateral palsy of the facial, but also trigeminal and vestibulocochlear nerves is seen in conditions affecting the brainstem, such as Raymond's syndrome, Millard-Gubler syndrome and Foville's syndrome [1]. (symptoma.com)
On the other hand, epistaxis , rhinorrhea , and serous otitis media , typically encountered in nasopharyngeal carcinoma , can also be seen together in abducens nerve palsy [1]. (symptoma.com)
A 53-year-old male patient with diabetes presented 6 weeks after lumbar disc surgery with persistent headache, a fluctuant swelling at the operated site, and diplopia secondary to left abducens nerve palsy. (symptoma.com)

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 by stimulating abduction of the eye [1] [2]. (symptoma.com)

The spectrum of neurologic manifestations and neoplasms associated with voltage-gated potassium channel (VGKC) autoimmunity is broader than previously recognized. (qxmd.com)
It is one of the most common neurologic disorders of the cranial nerves (see the image below). (medscape.com)
When the patient cannot track motion this means neurologic damage involving cranial nerves III, IV, or VI. (usc.edu)
Neck nerve trunks schwannomas: clinical features and postoperative neurologic outcome. (ijorl.com)

The nerves outside of the brain and spinal cord, including the autonomic, cranial, and spinal nerves. (lookformedical.com)
Notes = A neoplasm that arises from SCHWANN CELLS of the cranial, peripheral, and autonomic nerves. (ed.ac.uk)
Schawnnoma or neurilemmoma is a benign slow-growing neoplasm of Schwann cells that can arise from any cranial, peripheral or autonomic nerve. (omicsonline.org)

Dysfunction of one or more cranial nerves causally related to a traumatic injury. (lookformedical.com)
As they grow, VSs typically cause dysfunction of cranial nerve (CN) VIII, followed by dysfunction of CN VII. (neurosurgicalatlas.com)
Dysfunction of the nerve causes lateral rectus muscle weakness , resulting in horizontal diplopia that is maximal when the affected eye is abducted and esotropia. (symptoma.com)

A case study by Fukai et al of a patient with perineural spread of adenoid cystic carcinoma along the mandibular nerve suggested that progression of this lesion is associated with elevated expression of ephrin type-A receptor 2 and a transition of the tumor cells from an epithelial to a mesenchymal phenotype. (medscape.com)

Schwannomas of the jugular foramen, usually with origin from the ninth nerve, are rare, but the presenting symptoms may be similar to those of a vestibular schwannoma owing to mass effect by tumor growth in the posterior cranial fossa (2-4) . (ajnr.org)
In distinction, an individual is diagnosed to have neurofibromatosis 2 if the person has bilateral eighth nerve masses seen with appropriate imaging techniques or a first degree relative with neurofibromatosis 2 and either: (1) a unilateral eighth nerve mass, (2) Two or more of the following: neurofibroma, meningioma, glioma, schwannoma, or juvenile posterior subcapsular lenticular opacity. (medlink.com)
Most of the tumours encountered are not related to any identifiable risk factors except for irradiation and some hereditary syndromes like subependymal giant cell astrocytoma, glioblastoma multiforme, cerebellar haemangioblastoma, meningioma, Schwannoma of 7th cranial nerve. (jebmh.com)
The aim is to report a rare case of laryngeal schwannoma and to review 50 cases of a similar entity from the literature in terms of age, sex, presenting symptoms, site, size, the nerve of origin, mode of surgery and outcome. (ijorl.com)

See here for a tabular overview of primary, secondary, in situ, and benign neoplasms. (wikipedia.org)
VSs are slow-growing benign neoplasms arising from the transition zone between the central and peripheral myelin, a point of origin typically found in the medial aspect of the internal auditory canal (IAC), approximately 8 to 12 mm from the pial surface of the pons. (neurosurgicalatlas.com)

Neuroepithelial tumours were the most common histological type followed by pituitary tumours and meningiomas. (jebmh.com)

Commonly associated conditions include neoplasms, CRANIOCEREBRAL TRAUMA, ischemia (especially in association with DIABETES MELLITUS), and aneurysmal compression. (bvsalud.org)
and trauma to the facial region are conditions associated with cranial nerve injuries. (lookformedical.com)
The common abnormalities include disease of the muscle itself (myopathy), and motor nerve damage in peripheral/spinal cord/brain from cancer or trauma. (usc.edu)
Other causes include trauma, autoimmune conditions, and neoplasms. (emboardbombs.com)

They most commonly arise from the vestibular portion of the eighth cranial nerve (1) . (ajnr.org)
Neoplasms which arise from or metastasize to the PITUITARY GLAND. (embl.de)
Most VSs arise from one of the vestibular nerves, most commonly from the superior one. (neurosurgicalatlas.com)
The components of CN VII that reach the tongue include the chorda tympani and the greater petrosal nerve, which arise from the nervus intermedius (smallest afferent branch of the facial nerve). (medscape.com)

Scope and Contents Typed case summary, notes, photographs and correspondence relating to male from Great Britain (excluding Scotland) aged 27 at first examination in 1933. (ed.ac.uk)
Scope and Contents Typed case summary, reports, photographs, charts and correspondence relating to male patient from Edinburgh and the Lothians aged 24 at first examination in 1934. (ed.ac.uk)
Scope and Contents Typed case summary, correspondence, notes, newspaper, black and white photographs and charts relating to male from Scotland (outside Edinburgh and the Lothians) aged 53 at first examination in 1941. (ed.ac.uk)
Scope and Contents Typed case summary, report and chart relating to male soldier from outside Great Britain aged 36 at first examination in 1945. (ed.ac.uk)

Around 70% of facial nerve palsies will be diagnosed as Bell's. (emboardbombs.com)
Abducens nerve palsies, or sixth nerve palsies, results in weakness of the ipsilateral lateral rectus muscle. (symptoma.com)

Neoplasms involving the brain stem may result in cranial nerve deficits. (vin.com)
Visual deficits may accompany masses that involve the visual pathways from the occipital lobe of the cerebrum to the optic nerve. (vin.com)
There were not any cranial nerve deficits other than the paralysis of the right vocal cord. (biomedcentral.com)

Nerve Root Injury and Plexus Disorders (incl. (healthgrades.com)

Perineural spread of a tumor, or spread of tumor along a nerve, is one of the more insidious forms of tumor growth. (medscape.com)
The most accepted current theory is that nerves provide a pathway of least resistance for tumor growth. (medscape.com)

Although the cord nerves are usually working correctly, the inflammation can give vocal cord paralysis-like signs and symptoms. (symptoma.com)

Is meningioma a type of cancer? (wanderluce.com)
You have not received chemotherapy or immunotherapy for this type of cancer before. (withpower.com)
AML also may occur as a secondary cancer after chemotherapy or radiation therapy for a different type of cancer. (msdmanuals.com)

The image below depicts the pertinent nerve branches related to the trigeminal nerve and the pterygopalatine fossa. (medscape.com)
This pictorial diagram lists the pertinent nerve branches related to the trigeminal nerve and the pterygopalatine fossa, as well as the facial nerve and its relation to the pterygopalatine fossa. (medscape.com)
MRI also provides a more accurate assessment of intracranial spread to the Meckel cave, the cavernous sinus, the cisternal portion of the trigeminal nerve, and the facial nerve in the internal auditory canal (IAC) or cerebellopontine angle (CPA). (medscape.com)
Third division of trigeminal nerve innervates masseter and temporalis, so you should check for contraction of both muscles! (usc.edu)
The trigeminal nerve provides sensory supply to the face and mouth. (usc.edu)
The corneal reflex has two parts: the sensory, or afferent, part of the reflex is mediated by the ophthalmic branch of the trigeminal nerve, and the motor, or efferent, part of the reflex is mediated by the facial nerve. (usc.edu)
Trigeminal neuralgia is a disorder characterized by recurrent unilateral brief electric shock-like pains, abrupt in onset and termination, limited to the distribution of one or more divisions of the trigeminal nerve. (radiologyassistant.nl)
This can help you to systematically study all the important regions in the course of the trigeminal nerve. (radiologyassistant.nl)
The pathology of the trigeminal nerve is related to the location. (radiologyassistant.nl)
In the illustration the five different segments of the trigeminal nerve are presented, which will be discussed in more detail in the following chapters. (radiologyassistant.nl)
The trigeminal nerve originates from two separate nuclei in the pons: the sensory division from the sensory nucleus (green dot) and the motor division from the motor nucleus (red dot). (radiologyassistant.nl)
From these nuclei, the trigeminal nerve courses anteriorly, to the ventrolateral surface of the pons to continue with the cisternal segment in the prepontine cistern. (radiologyassistant.nl)
The trigeminal nerve is the largest of all cranial nerves. (radiologyassistant.nl)

Cerebral meningioma is the most frequently reported primary brain tumor of cats and accounts for almost 10% of all nonhematopoietic neoplasms. (vin.com)
Transfer of a neoplasm from its primary site to lymph nodes or to distant parts of the body by way of the lymphatic system. (lookformedical.com)
Renal cell carcinoma is responsible for 80%-85% of all primary renal neoplasms. (lecturio.com)

The neoplasms may be histologically the same or different, and may be found in the same or different sites. (lookformedical.com)
Neoplasms encountered (confirmed histologically in 33%) included 18 carcinomas, 5 adenomas, 1 thymoma, and 3 hematologic malignancies. (qxmd.com)

The process was initially thought to occur via spread through lymphatics within the nerve sheath, but this concept was rejected after the discovery that lymphatic channels do not penetrate the epineurium. (medscape.com)
Laryngeal schwannomas are rare, nerve sheath tumours usually located in the supraglottic larynx. (ijorl.com)
Optic nerve decompression surgery (also known as optic nerve sheath decompression surgery) involves cutting slits or a window in the optic nerve sheath to allow cerebrospinal fluid to escape, thereby reducing the pressure around the optic nerve. (aetna.com)
Initial results of uncontrolled studies suggested that optic nerve sheath decompression was a promising treatment of progressive visual loss in patients with NAION. (aetna.com)

Diseases of the ninth cranial (glossopharyngeal) nerve or its nuclei in the medulla. (nih.gov)
Surgical findings showed schwannomas of the glossopharyngeal nerve in seven patients and tumor involvement of both the glossopharyngeal and vagal nerves in one patient. (ajnr.org)
Taste is mediated by 3 cranial nerves: the facial (VII), glossopharyngeal (IX), and vagus (X), as displayed in the images below. (medscape.com)
The glossopharyngeal (IX) is the most important nerve for the sense of taste. (medscape.com)
The glossopharyngeal nerve lies anteriorly in the jugular foramen and exits it to course 10-20 mm in the cerebellopontine angle (CPA). (medscape.com)

Visual loss secondary to optic nerve drusen. (aetna.com)

Acute myeloid leukemia has a number of subtypes and precursor neoplasms that are distinguished from each other by morphology, immunophenotype, cytochemistry, and genetic abnormalities (see also The 2016 World Health Organization [WHO] Classification of myeloid neoplasms ) all of which have important implications for prognosis and treatment. (msdmanuals.com)

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. (nih.gov)
Posterior fossa tumor is a type of brain tumor located in or near the bottom of the skull. (medlineplus.gov)
Neoplasms of the posterior fossa. (medlineplus.gov)
It is caused by infarction of the short posterior ciliary arteries supplying the anterior optic nerve. (aetna.com)

Now, otolaryngologist - head and neck surgeons at the Mayo Clinic have determined that malignancy of the facial nerve can be another cause of unilateral facial paralysis in patients with otherwise normal clinical and imaging findings. (news-medical.net)

Diamox, Lasix, corticosteroids), and disc swelling with visual field loss progresses, direct fenestration of the optic nerve sheaths via medial or lateral orbitotomy has been shown to be an effective and relatively simple procedure for relief of papilledema. (aetna.com)
There is no direct treatment for NAION, although corticosteroids are sometimes used to reduce optic nerve edema. (aetna.com)
To resolve the controversy over the effectiveness of optic nerve decompression for NAION, the National Eye Institute sponsored the Ischemic Optic Neuropathy Decompression Trial, a multicenter, randomized controlled clinical trial of optic nerve decompression surgery for patients with NAION. (aetna.com)
The investigators concluded that optic nerve decompression surgery is not an effective treatment for NAION, and in fact, may increase the risk of progressive visual loss in NAION patients. (aetna.com)
A structured evidence review (Dickersin and Manheimer, 2002) concluded that "[r]esults from the Ischemic Optic Neuropathy Decompression Trial indicate that optic nerve decompression surgery for nonarteritic ischemic optic neuropathy is not effective. (aetna.com)
A Cochrane review (Dickersin et al, 2012) concluded that results from the single trial indicate no evidence of a beneficial effect of optic nerve decompression surgery for NAION. (aetna.com)
Optic nerve swelling or jumpy eye movements (nystagmus) may occur at any age and warrants immediate work-up for a central nervous system tumor. (symptoma.com)

Diseases of the oculomotor nerve or nucleus that result in weakness or paralysis of the superior rectus, inferior rectus, medial rectus, inferior oblique, or levator palpebrae muscles, or impaired parasympathetic innervation to the pupil. (bvsalud.org)
A nerve which originates in the lumbar and sacral spinal cord (L4 to S3) and supplies motor and sensory innervation to the lower extremity. (lookformedical.com)
Strokes can cause unilateral facial weakness, but in almost all cases, they spare the forehead muscles because the impairment is that of an upper motor neuron type (due to bilateral innervation to this area). (emboardbombs.com)
Cranial nerve V is not affected (provides innervation to the face). (emboardbombs.com)
Diagram showing lingual innervation via cranial nerves VII, IX, and X. (medscape.com)

Abstract We report a case of sarcoidosis in which the presenting features were hoarseness of voice, hilar lymphadenopathy and paralysis of the left recurrent laryngeal nerve. (symptoma.com)

The second neoplasm may have the same or different histological type and can occur in the same or different organs as the previous neoplasm but in all cases arises from an independent oncogenic event. (lookformedical.com)

Peripheral nerves contain non-neuronal cells and connective tissue as well as axons. (lookformedical.com)
Benign tumours of peripheral nerves. (ijorl.com)

Simultaneous presentation of facial nerve neuroma and otosclerosis. (omeka.net)

Diseases of the first cranial (olfactory) nerve, which usually feature anosmia or other alterations in the sense of smell and taste. (lookformedical.com)

The simultaneous occurrence of facial nerve neuroma and otosclerosis is discussed, with emphasis on a thorough evaluation of all unilateral mixed hearing losses, including those attributable to otosclerosis. (omeka.net)

Set of nerve fibers conducting impulses from olfactory receptors to the cerebral cortex. (lookformedical.com)
What is the ICD 9 code for neoplasm of cerebral meninges? (wanderluce.com)
ICD-9-CM Diagnosis Code 225.2 : Benign neoplasm of cerebral meninges Free, official info about 2015 ICD-9-CM diagnosis code 225.2. (wanderluce.com)

The facial nerve has multiple functions as it supplies motor and parasympathetic function, taste to the anterior two-thirds of the tongue, as well as control of the salivary and lacrimal glands. (emboardbombs.com)

Ability of neoplasms to infiltrate and actively destroy surrounding tissue. (lookformedical.com)

Traumatic injuries to the OLFACTORY NERVE. (lookformedical.com)

Abnormal growths of tissue that follow a previous neoplasm but are not metastases of the latter. (lookformedical.com)
Other types of pathology in the brain stem segment are neoplasms (mostly glioma and metastases), vascular lesions (infarction, cavernoma) and infections (rhombencephalitis). (radiologyassistant.nl)

Tumour size, cavernous sinus invasion, traction or displacement of intracranial pain-sensitive structures such as blood vessels, cranial nerves and dura mater, and hormonal hypersecretion are implicated causes. (medscape.com)

Anatomy27

Diseases27

Analytical, Diagnostic and Therapeutic Techniques and Equipment3

Phenomena and Processes1

Tumors15

Intracranial neoplasms2

Malignant9

Palsy23

Brainstem1

Neurologic4

Autonomic3

Dysfunction3

Lesion1

Schwannoma4

Benign neoplasms2

Meningiomas1

Trauma4

Arise4

Scope and Contents Typed4

Palsies2

Deficits3

Disorders1

Tumor growth2

Symptoms1

Cancer3

Trigeminal nerve13

Primary3

Histologically2

Sheath4

Glossopharyngeal5

Secondary1

Abnormalities1

Posterior4

Facial paralysis1

Optic nerve7

Innervation5

PARALYSIS1

Arises1

Peripheral Nerves2

Presentation1

Diseases1

Unilateral1

Cerebral3

Salivary1

Infiltrate1

Injuries1

Metastases2

Cavernous1