Notes in Neuro-onc

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Published	04/01/2024	{{c2::Ependymoma}} spinal tumors usually begin within the central cord and present with {{c1::central cord}} syndrome.
Published	04/01/2024	{{c1::Oligodendroglioma}} is a primary CNS adult tumour of oligodendrocytes that presents with "fried-egg" cells with round nuclei and clear cyto…
Published	04/01/2024	A patient experiences numbness between her 3rd and 4th toes. There is a clicking sensation when palpating the space between those toes while squeezing…
Published	04/01/2024	What is the most common type of brain tumor in children? {{c1::Pilocytic astrocytoma}}
Published	04/01/2024	Parinaud syndrome (dorsal midbrain syndrome) presents as limitation of upward gaze and is characteristic of{{c1:: pineal gland }} tumors.
Published	04/01/2024	Which two neural tumors occur with increased frequency in patients with neurofibromatosis 2?1. {{c1::Meningiomas}}2. {{c2::Vestibular schwan…
Published	04/01/2024	Glassy plumb-colored intranuclear inclusions in oligodendrocytes w/ enlarged bizarre-appearing astrocytes and areas of demyelination. What is the most…
Published	04/01/2024	what % of cancers will develop brain mets? {{c1::20%}}
Published	04/01/2024	Do prostate cancers metastasize to the brain? {{c1::No, they metastasize to the spinal cord (batons plexus)}}
Published	04/01/2024	What does this show? {{c1::optic pathway glioma associated with NF1}}
Published	04/01/2024	Iris hamartomas and glomus tumors, think what?{{c1::NF1also optic pathway glioma}}
Published	04/01/2024	Odds of developing PML on Tysabri? {{c1::1%::%}}
Published	04/01/2024	Most common tumor in: NF1? {{c1::optic glioma, meningioma is also common}}NF2? {{c2::acoustic neuroma is most common in NF2}}
Published	04/01/2024	Most common cause of nasopharyngeal malignancies in:kids? {{c1::rhabdomyosarcoma or lymphoma }}adults? {{c2::carcinoma }}
Published	04/01/2024	Most common intraspinal mass? {{c1::Schwannoma}}
Published	04/01/2024	Subacute neurologic deficits (can vary) in setting of immunosuppression: {{c1::PML::condition}}
Published	04/01/2024	Radiographic appearance of {{c1::PML::condition}}: Multifocal areas of white matter demyelination with no {{c2::vascular}} territory, no mass effect, …
Published	04/01/2024	Known etiologies of PML (7):{{c1::CRAM CANCyclophosphamideRituximabAlemtuzumabMycophenolateCorticosteroidsAIDSNatalizumab}}
Published	04/01/2024	What condition is this image consistent with? {{c1::Neurofibromatosis type 1 (NF1)}}
Published	04/01/2024	drop mets (enhancing):{{c1::Medulloblastoma (posterior fossa)Pineal region neoplasmsEpendymomasGBM, Germinoma::4}}
Published	04/01/2024	What condition is this image consistent with? Pilocytic astrocytoma
Published	04/01/2024	What does this image show? {{c1::Neurofibroma}}
Published	04/01/2024	{{c1::Cervical meningioma::Mass}}: intradural extramedullary dural based enhancing mass
Published	04/01/2024	A child presents with Horner syndrome and b/l periorbital ecchymosis (racoon eyes). Most likely diagnosis? {{c1::Metastic Neuroblastoma}}
Published	04/01/2024	Vertebral body neoplasm findingsIsolated or noncontiguous involvement. {{c1::Pedicles}} typically affected. {{c1::Low}} T1 an…
Published	04/01/2024	The two most important prognostic factors for primary CNS lymphoma are {{c1::age and performance status.::2 most important factors}}
Published	04/01/2024	The majority of primary CNS lymphomas are of the {{c1::non-germinal center}} subtype. The B-cell receptor signaling pathway is affected by frequent re…
Published	04/01/2024	Giant-cell astrocytomas are {{c2::nonmalignant::malignant or non-malignant}} and are treatable with {{c1::rapamycin}} but may cause obstruction of the…
Published	04/01/2024	What is the diagnosis for a rare tumor that originates from paraganglia, specialized cells derived from the neural crest, and can be found in various …
Published	04/01/2024	Paramyotonia congenitaInheritance: {{c2::Autosomal dominant::inheritance method}}Classified as a {{c1::sodium}} channelopathy ({{c1::SCN4A}} gene)Musc…
Published	04/01/2024	Radiation Necrosis:Commonly occurs {{c1::6 to 24}} months postradiation. Enhancing lesion with mass effect and ring enhancement. Or multiple foci of e…
Published	04/01/2024	CNS lymphoma imaging characteristics:Best Diagnostic Clue: {{c1::Enhancing lesion(s) within basal ganglia and/or periventricular white matter.}}Locati…
Published	04/01/2024	Radiation LeukoencephalitisOccurs {{c1::6 to 9::#}} months after treatment in excess of 40 Gy. MRI: {{c2::Confluent high T2}} signal within white…
Published	04/01/2024	Extra-axial tumors: Extra-axial tumors refer to tumors that {{c1::develop outside of the brain parenchyma, which is the functional tissue of the …
Published	04/01/2024	The {{c1::caudal vermis}} syndrome, which results from injury to the flocculonodular lobe, is characterized by {{c1::truncal ataxia}}. Medulloblast…
Published	04/01/2024	POEMS syndrome stands for: {{c2::polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, skin changes}} Also known as {{c1::Cro…
Published	04/01/2024	Describe associated tumor with each of the following pathology findings:Rosenthal fibers: {{c1::Pilocytic astrocytoma, Alexander disease}}Pseudopa…
Published	04/01/2024	e81ddce02b084875819a8a9f276c61b0-ao-1
Published	04/01/2024	Arachnoid cysts occur more frequently in the {{c1::middle}} cranial fossa and {{c1::posterior}} fossa compared to epidermoids.
Published	04/01/2024	Treatment that may inhibit growth of hamartomas and its analogues in tuberous sclerosis complex: {{c1::Rapamycin::medication}}
Published	04/01/2024	Sphenoid wing dysplasia: {{c1::Neurofibromatosis type 1::associated condition}}
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