AnatomyDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesDisciplines and OccupationsInformation ScienceHealth Care
DiplopiaCraniotomyOrbital FracturesOcular Motility DisordersExophthalmosAbducens Nerve DiseasesNeurosurgical ProceduresStrabismusOrbitBrain NeoplasmsOculomotor Nerve DiseasesPneumocephalusOculomotor MusclesSkull Base NeoplasmsTomography, X-Ray ComputedMagnetic Resonance ImagingMeningeal NeoplasmsFrontal BoneOphthalmologic Surgical ProceduresTumor Markers, BiologicalBlepharoptosisFrontal SinusTumor BurdenTumor Necrosis Factor-alphaHematoma, Subdural, AcuteEnophthalmosTrochlear Nerve DiseasesCell Line, TumorTrephiningMeningiomaGraves OphthalmopathyCranial Nerve NeoplasmsSupratentorial NeoplasmsHead Injuries, PenetratingWilms TumorOrbital NeoplasmsDelayed Emergence from AnesthesiaHematoma, SubduralDura MaterIntracranial AneurysmCranial Fossa, PosteriorSurgical Fixation DevicesAbducens Nerve InjuryTreatment OutcomeDecompression, SurgicalNeoplasms, ExperimentalGenes, Tumor SuppressorPostoperative ComplicationsMicrosurgeryCavernous SinusArachnoid CystsCarcinoid TumorSubdural SpaceTumor Suppressor Protein p53Retrospective StudiesHemangioma, CavernousSphenoid SinusOrbital PseudotumorNeuroendocrine TumorsOrbital DiseasesGlasgow Coma ScaleHematoma, Epidural, CranialScleral BucklingTumor Suppressor ProteinsTemporal BoneHematoma, Subdural, ChronicCerebrospinal Fluid RhinorrheaFatal OutcomeAnesthesia, LocalTumor MicroenvironmentFourth VentricleStereotaxic TechniquesExotropiaCranial Fossa, AnteriorMucoceleOphthalmoplegiaNeurosurgeryHeadacheCranial Nerve DiseasesMammary Neoplasms, ExperimentalBrain AbscessGliomaHydrocephalusEyeglassesGraves Disease
Intracranial tumorsResectionSuboccipital craniotomyBenignMeningiomasMetastaticCranialVascularAriseVertigoSkull baseCavernousLesionsTrigeminalDermoidUnderwentCystsBiopsyVentricularSurgicalTemporal boneResidualPediatricNeurologicalSymptomsPatientsBrainCapillaryStructuresDiagnosisAxialDisplacementMorbidityPhysicalClassificationChemotherapyPresentRemovalCasesHeadRarePrimaryLocationVisionMassDevelop
Intracranial tumors3
  • Colloid cysts represent 0.5-1.0% of intracranial tumors. (wikipedia.org)
  • They are the most common primary intra-axial tumor located in the posterior fossa in adults comprising ~2.5% of all intracranial tumors. (surgicalneurologyint.com)
  • The frequency of meningiomas in Africa is nearly 30% of all primary intracranial tumors. (medscape.com)
Resection5
  • A larger craniotomy for extensive resection may then be recommended. (medscape.com)
  • The main management options are observation, craniotomy for microsurgical resection, neuroendoscopic removal, stereotactic drainage, and CSF diversion with bilateral ventriculoperitoneal shunting placement. (wikipedia.org)
  • The patient underwent emergent ventriculostomy to relieve hydrocephalus followed by suboccipital craniotomy with gross total resection of the mass. (openneuroimagingjournal.com)
  • We report the case of a 42-year-old man presenting with vertigo and diplopia found to have a CPA tumor with imaging resembling VS. He underwent retrosigmoidal resection of his tumor, which was found to be a hemangioblastoma. (surgicalneurologyint.com)
  • The gross appearance of the tumor was suggestive of a highly vascular lesion, and so intraoperatively, a decision was made to attempt an en-bloc resection. (surgicalneurologyint.com)
Suboccipital craniotomy1
  • This tumor was treated through a far lateral approach and suboccipital craniotomy following a superselective embolization of feeding arteries. (medscape.com)
Benign7
  • Hemangiomas of the skull are benign vascular bone tumors composed of cavernous or capillary vascular channels. (medscape.com)
  • Dermoid and epidermoid tumors are benign lesions of the skull that develop in the cranial vault, paranasal sinuses, orbit, and petrous bone. (medscape.com)
  • These tumors are monoclonal expansions of immunoglobulin-secreting plasma cells and may present as solitary benign bone tumors called plasmacytomas (see the image below). (medscape.com)
  • Paragangliomas, such as glomus jugulare tumors, are benign neuroendocrine tumors that arise from chromaffin cells in the bony canals of temporal bone. (medscape.com)
  • Hemangioblastomas are well-differentiated, vascular, benign tumors primarily located in the posterior cranial fossa. (surgicalneurologyint.com)
  • Orbital tumors can be benign or malignant and arise primarily within the orbit or secondarily from an adjacent source, such as the eyelid, paranasal sinus, or intracranial compartment. (msdmanuals.com)
  • I do not believe vascular sacrifice and revascularization are indicated for benign meningiomas in an era when radiosurgery can effectively control small residual tumors. (neurosurgicalatlas.com)
Meningiomas3
  • On plain head CT scans, meningiomas are usually dural-based tumors that are isoattenuating to slightly hyperattenuating. (medscape.com)
  • Meningiomas Meningiomas are tumors of the meninges that can compress adjacent brain tissue. (msdmanuals.com)
  • When symptomatic, sphenoid wing meningiomas are treated with debulking via craniotomy, sometimes followed by a course of radiation therapy. (msdmanuals.com)
Metastatic3
  • Metastatic tumors also present in the skull base and may produce mass effect or invade adjacent tissue. (medscape.com)
  • Orbital tumors can also be metastatic from distant sites. (msdmanuals.com)
  • Stereotactic radiosurgery is an especially valuable option for patients with controlled systemic disease even if they have multiple metastatic brain tumors. (thejns.org)
Cranial6
  • These tumors often arise from the paranasal sinuses but may develop in the frontal bone (arising from the area of the frontal sinus), cranial vault, mastoid sinus, or mandible. (medscape.com)
  • Osteomas have been associated with Gardner syndrome, an autosomal-dominant variant of familial adenomatous polyposis, which consists of multiple cranial osteomas, colonic polyposis, and soft-tissue tumors. (medscape.com)
  • The tumor was circumferentially dissected from the cranial nerve VII/VIII complex as well as from the choroid plexus at the foramen of Luschka. (surgicalneurologyint.com)
  • Gabriel Zada, MD, a neurosurgeon at Keck Medicine of USC, discusses cranial tumor surgery, including a review of the current catalogue of minimally invasive endoscopic surgical techniques available to treat adult brain and skull base tumors. (keckmedicine.org)
  • These tumors arise along the upper two-thirds of the clivus, superior to the jugular foramen and medial to the cranial nerves' foramina at the petroclival junction. (neurosurgicalatlas.com)
  • The lateral aspect of the tumor is often draped by thinly splayed cranial nerves lying between the surgeon and the tumor. (neurosurgicalatlas.com)
Vascular2
  • Following this, vascular feeders of the tumor were coagulated and the tumor was excised. (surgicalneurologyint.com)
  • Imaging of the vasculature is helpful to better assess displacement or encasement of vascular structures by the tumor, the patency of venous sinuses, and location of temporal venous drainage such as the vein of Labbé. (neurosurgicalatlas.com)
Arise3
  • Chondromas are rare, slow-growing tumors that arise from the cartilaginous portion of bones formed by enchondral ossification. (medscape.com)
  • These tumors usually arise in the midline, in the diploe of the bone, where they expand both the inner and outer tables of the skull. (medscape.com)
  • Meningioma refers to a set of tumors that arise contiguously to the meninges (see the image below). (medscape.com)
Vertigo1
Skull base7
  • Many histologic tumor types present in the skull base. (medscape.com)
  • The anatomy relevant to surgery greatly varies and depends on the location of the tumor and adjacent skull base structures. (medscape.com)
  • Skull base tumors can be classified based on their tissue of origin, histologic characteristics, and common anatomic locations. (medscape.com)
  • Contraindications to surgical correction of skull base tumors are based on the patient's comorbidities and his or her ability to tolerate surgery. (medscape.com)
  • The image below depicts a CT scan revealing a skull base tumor. (medscape.com)
  • This article offers an overview of tumors that develop at the skull base and their surgical management. (medscape.com)
  • Dr. Zada is a board-certified neurosurgeon and internationally recognized expert in brain, skull base and pituitary tumor surgery, as well as a variety of endoscopic and minimally invasive neurosurgical techniques. (keckmedicine.org)
Cavernous3
Lesions2
  • In patients who harbor aggressive malignant lesions, which often preclude surgical cure, biopsy can prevent the need for an extensive craniotomy. (medscape.com)
  • Tumors of the lower one-third of the clivus, inferior to the jugular foramen, are primarily foramen magnum lesions and are discussed in the chapter dedicated to the Foramen Magnum Meningioma . (neurosurgicalatlas.com)
Trigeminal1
  • On the right side, the tumor advanced along the orbital apex and trigeminal nerve. (juniperpublishers.com)
Dermoid1
Underwent1
Cysts2
  • Patients with third-ventricular colloid cysts become symptomatic when the tumor enlarges rapidly, causing cerebrospinal fluid (CSF) obstruction, ventriculomegaly, and increased intracranial pressure. (wikipedia.org)
  • Imaging tests: Computed Tomography scans help in locating the exact site of the polyps, tumors, cysts etc. (revexcare.com)
Biopsy4
Ventricular1
  • An endoscope is inserted into the brain via a small incision and then moved toward the tumor in the ventricular compartment. (wikipedia.org)
Surgical2
  • Tumors and surgical approaches are classified based on the involved area. (medscape.com)
  • Case 1: Surgical view of the tumor. (medscape.com)
Temporal bone1
Residual1
Pediatric1
  • and inclusion in the 2007 World Health Organization (WHO) classification of tumors of the nervous system, several pediatric cases of the PTPR were described up to date. (surgicalneurologyint.com)
Neurological1
Symptoms3
  • The symptoms and life expectancy of the patient, natural history of the disease, and structures involved by the tumor all must be considered before recommending treatment. (medscape.com)
  • Larger tumors may cause symptoms related to cerebellar and brain stem compression. (medscape.com)
  • Patients with tumors 2.5-3 cm in initial size went on to develop new or worsened symptoms 17% of the time. (medscape.com)
Patients2
  • The clinical features of patients with cerebellar GBM are similar to those of other aggressive fast growing infratentorial tumors. (openneuroimagingjournal.com)
  • Sustained local tumor control was achieved in 73% of the patients. (thejns.org)
Brain7
  • A colloid cyst is a non-malignant tumor in the brain. (wikipedia.org)
  • American Brain Tumor Association. (wikipedia.org)
  • Tumors of the pineal region account for about 3-11% of all brain tumors in childhood. (surgicalneurologyint.com)
  • Mark Shiroishi, MD, a radiologist at Keck Medicine of USC, provides information about the state-of-the-art neuroimaging services and customized patient care offered at the USC Brain Tumor Center. (keckmedicine.org)
  • The dura is opened, and the meningioma can be seen extending en plaque over the surface of the brain. (medscape.com)
  • To evaluate the role of stereotactic radiosurgery (SRS) in the management of brain metastases from melanoma, the authors assessed clinical outcomes and prognostic factors for survival and tumor control. (thejns.org)
  • IIH mimics a brain tumor, so you will exhibit signs of papilledema. (visioncenter.org)
Capillary1
  • Reticulin and CD34 staining outlined the dense reticular capillary network of the tumor, but the typical dense pericellular network found in schwannoma was not present. (surgicalneurologyint.com)
Structures1
  • Other mesodermal structures also may give rise to similar tumors (eg, hemangiopericytomas or sarcomas). (medscape.com)
Diagnosis1
  • Hemangioblastoma, though rare in the CPA, should be considered in the differential diagnosis of CPA tumors. (surgicalneurologyint.com)
Axial2
Displacement1
  • Some types of orbital tumors usually cause proptosis and displacement of the globe in a direction opposite the tumor. (msdmanuals.com)
Morbidity1
  • When craniotomy is undertaken, the goals of surgery are to minimize morbidity and to maximize the extent of tumor removal. (medscape.com)
Physical1
Classification1
  • The classification of all of these tumors together is controversial. (medscape.com)
Chemotherapy1
Present1
Removal1
Cases2
  • In some cases these tumors show evidence of slow, steady growth, but in others, growth is sporadic. (neurosurgicalatlas.com)
  • It is a slow-growing tumor that increases ICP in 27% of cases. (visioncenter.org)
Head1
Rare2
  • Papillary tumor of the pineal region (PTPR) represents a rare and histologically distinct subgroup of tumors originating in the pineal region. (surgicalneurologyint.com)
  • Papillary tumor of the pineal region (PTPR) is a rare neuroepithelial tumor originating in this area. (surgicalneurologyint.com)
Primary2
  • Osteomas are the most common primary tumor of the bone of the calvaria. (medscape.com)
  • Hemangioblastomas are the most common primary tumor of the posterior fossa. (surgicalneurologyint.com)
Location1
  • The characteristics of the tumor are evaluated, including size, location, and the presence of calcification. (neurosurgicalatlas.com)
Vision1
  • A patient who is experiencing digoxin toxicity may report nausea, vomiting, diplopia, blurred vision, light flashes, and yellow-green halos around images. (rnpedia.com)
Mass1
  • T1 contrast-enhanced midsagittal MRI displays a tumor mass located in the pineal region, demonstrating heterogeneous post contrast opacification, signs of hemorrhage, and cystic areas (a and b). (surgicalneurologyint.com)
Develop1
  • A neuroendocrine tumor (NET) can develop anywhere in the body, but is mainly found in the pancreas, gastrointestinal tract, and lungs. (biomedcentral.com)