Notes in 01 Introduction

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Published 05/01/2023 Neuroimaging: Brain FundamentalsAn {{c1::intra}}-axial lesion is within the brain parenchyma itself, underneath the {{c2::pial}} membrane.
Published 05/01/2023 Neuroimaging: Brain FundamentalsAn {{c1::extra}}-axial lesion is external to the {{c2::pial}} membrane. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe CSF spaces include the {{c1::sulci}}, {{c2::fissures}}, {{c3::basal cisterns}}, and {{c4::ventricles}}
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::interhemispheric}} fissure is also known as the {{c2::medial longitudinal}} fissure.
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::central}} sulcus separates the {{c2::primary motor}} cortex from the {{c2::primary somatosensory}} cortex.
Published 05/01/2023 Neuroimaging: Brain FundamentalsTo find the central sulcus on sagittal imaging: Follow the {{c1::cingulate}} sulcus posteriorly on a slight…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::Sylvian}} fissure (also known as the {{c2::lateral}} sulcus) separates the {{c3::frontal}} and {{c3::parieta…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::operculum}} consists of the 3 lobes ({{c2::frontal}}, {{c2::parietal}}, and {{c2::temporal}}) that bord…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::parieto-occipital}} sulcus/fissure separates the {{c3::medial}} surfaces of the {{c2::parietal}} and {{c2::o…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe four recesses of the third ventricle are the: {{c1::chiasmatic}} (also called the {{c1::supraoptic}}) recess;…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::massa intermedia}}, also called the {{c2::interthalamic adhesion}}, is a gray and white matter str…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe choroid plexuses are located in the {{c1::body}} and the {{c1::temporal horn}} of the {{c2::lateral…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::foramen of Monroe}} connects the {{c2::lateral}} ventricle(s) with the {{c2::third}} ventricl…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::cerebral aqueduct}} connects the {{c2::third}} ventricle with the {{c2::fourth}} ventricle.
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::basal}} or {{c1::subarachnoid cisterns}} are CSF-filled spaces around the base of the brain and brainstem a…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::suprasellar}} (also known as the {{c2::chiasmatic}}) cistern is {{c3::pentagonal}} in shape.
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::perimesencephalic}} cistern(s) surround the {{c2::midbrain}}
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe ventricular volume is approximately {{c1::25 }}mL. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsCerebrospinal fluid (CSF) is primarily absorbed by the {{c1::arachnoid granulations}} and to a lesser extent by t…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Communicating}} hydrocephalus is ventricular enlargement due to an increase in CSF volume without obstruction.
Published 05/01/2023 Neuroimaging: Brain FundamentalsNormal pressure hydrocephalus (NPH) is characterized by the clinical triad of {{c2::ataxia}}, {{c3::incontinence}}, an…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Noncommunicating}} hydrocephalus is hydrocephalus due to an obstructing lesion within the ventricular system.
Published 05/01/2023 Neuroimaging: Brain FundamentalsObstructive hydrocephalus usually refers to a {{c1::noncommunicating}} hydrocephalus 
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Hydrocephalus ex vacuo}} refers to ventricular enlargement due to {{c2::FOCAL brain parenchymal volume loss}}.
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Cytotoxic}} edema is cellular swelling caused by damaged {{c2::Na/K ATPase::(molecular mechanism)}}.
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c3::Vasogenic}} edema is a(n) {{c1::interstitial}} edema caused by increased {{c2::capillary permeability}}
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Interstitial}} edema in the brain is most commonly caused by {{c2::acute obstructive hydrocephalus}}.
Published 05/01/2023 Neuroimaging: Brain FundamentalsInterstitial edema presents on imaging as {{c1::periventricular::location}} fluid.
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe meninges and CSF spaces are {{c1::extra::intra/extra}}-axial.
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Published 05/01/2023 Neuroimaging: Brain FundamentalsThe interhemispheric (medial longitudinal) fissure separates the two cerebral hemispheres, and thus contains the&…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::primary motor}} cortex is also known as the {{c2::precentral}} gyrus of the {{c2::frontal}} lobe.
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::primary somatosensory}} cortex is also known as the {{c2::postcentral}} gyrus of the {{c2::parietal}} l…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::cingulate}} sulcus ascends posteriorly as the {{c3::marginal ramus}} ({{c2::pars marginalis}}).
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::paracentral}} lobule is directly anterior to the {{c2::marginal ramus (pars marginalis)}}
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::paracentral}} lobule is the {{c2::medial::medial/lateral}} continuation of the {{c3::pre/postcentr…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe central sulcus forms a{{c2::n inverted omega (Ω)}} around the knob of the {{c1::motor (hand)}}…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::precentral}} sulcus intersects the {{c2::superior frontal}} sulcus in a(n) {{c3::in…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe operculum and its 3 consistent lobes cover the {{c1::insula}}.
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::precuneus}} is the {{c2::medial}} surface of the {{c2::parietal}} lobe.
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c1::cuneus}} is the {{c2::medial}} surface of the {{c2::occipital}} lobe.
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Published 05/01/2023 Neuroimaging: Brain FundamentalsThe fourth ventricle continues inferiorly (at it's tip, the {{c1::obex}}) as the {{c2::central canal of…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe fourth ventricle drains into the basal cisterns {{c2::laterally}} via the {{c1::foramina of Lu…
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Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c2::suprasellar}} cistern surrounds the {{c1::pituitary indundibulum}}. It contains 2 important v…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe {{c5::perimesencephalic}} cisterns are comprised of the:-{{c1::interpeduncular}} cisterns-{{c2::crural}}…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe volume of the subarachnoid space is approximately {{c2::125}}mL. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsCSF production is ~{{c3::500}}mL per day.
Published 05/01/2023 Neuroimaging: Brain FundamentalsThere is approximately {{c1::150}}mL of cerebrospinal fluid (CSF) in the body at any given time. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsCerebrospinal fluid (CSF) circulates via {{c1::bulk}} flow and {{c1::pulsatile}} agitation. 
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c3::Arachnoid granulations}} are evaginations of the {{c1::leptomeninges}} which extend into the {{c2::dur…
Published 05/01/2023 Neuroimaging: Brain FundamentalsProcesses that obstruct {{c1::arachnoid granulation}} reabsorption of Cerebrospinal fluid (CSF) can cause a&…
Published 05/01/2023 Neuroimaging: Brain FundamentalsProcesses that can obstruct arachnoid granulations, leading to communicating hydrocephalus include:-{{c1::subarac…
Published 05/01/2023 Neuroimaging: Brain FundamentalsNormal Pressure Hydrocephalus (NPH) is a form of {{c1::communicating::communicating/non-communicasting}} hyd…
Published 05/01/2023 Neuroimaging: Brain FundamentalsNormal Pressure Hydrocephalus (NPH) is associated with {{c1::normal}} CSF pressure. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsImaging in Normal Pressure Hydrocephalus (NPH) generally shows {{c1::ventriculo}}megaly.
Published 05/01/2023 Neuroimaging: Brain FundamentalsImaging in Normal Pressure Hydrocephalus (NPH) demonstrates a(n) {{c2::acute}} {{c1::collosal}} angle.&…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe collosal angle is the angle between the {{c1::lateral ventricles}} at the {{c2::posterior commissur…
Published 05/01/2023 Neuroimaging: Brain FundamentalsNormal Pressure Hydrocephalus generally shows widened {{c1::Sylvian}} fissures.
Published 05/01/2023 Neuroimaging: Brain FundamentalsNormal Pressure Hydrocephalus generally shows crowding of {{c1::gyri}} at the vertex of the brain.
Published 05/01/2023 Neuroimaging: Brain FundamentalsNoncommunicating hydrocephalus can be caused by a third ventricular {{c1::colloid cyst}}
Published 05/01/2023 Neuroimaging: Brain FundamentalsNoncommunicating hydrocephalus can be caused by {{c2::cerebral aqueduct}} {{c1::stenosis}}
Published 05/01/2023 Neuroimaging: Brain FundamentalsNoncommunicating hydrocephalus can be caused by a mass in the {{c1::posterior fossa}}
Published 05/01/2023 Neuroimaging: Brain FundamentalsObstructive Hydrocephalus can be communicating hydrocephalus's if the obstruction is at the level of the {{c1::su…
Published 05/01/2023 Neuroimaging: Brain FundamentalsWhen the brain swells, it reduces the overall volume of {{c1::blood}} that can reach the brain, as well as the vo…
Published 05/01/2023 Neuroimaging: Brain FundamentalsBrain edema can be caused by {{c1::cell}} death, altered {{c2::capillary}} permeability, or a change in…
Published 05/01/2023 Neuroimaging: Brain FundamentalsCompared to normal brain, edematous brain on CT is {{c1::hypo}}attenuating.
Published 05/01/2023 Neuroimaging: Brain FundamentalsCompared to normal brain, edematous brain on MRI is FLAIR {{c1::hyper}}intense.
Published 05/01/2023 Neuroimaging: Brain FundamentalsCytotoxic edema is most commonly secondary to acute {{c1::ischemia (infarct)}}.
Published 05/01/2023 Neuroimaging: Brain FundamentalsCytotoxic edema occurs wherein fluid moves from the {{c1::extra}}cellular space into the {{c1::intra}}cellul…
Published 05/01/2023 Neuroimaging: Brain FundamentalsCytotoxic edema is followed by {{c3::ionic}} edema, which occurs wherein fluid moves from the {{c1…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c2::Cytotoxic}} edema on MRI appears as abnormally {{c1::restricted}} diffusion
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c2::Ionic}} edema on CT appears as abnormal {{c1::loss of differentiation between gray-white}} matter.
Published 05/01/2023 Neuroimaging: Brain FundamentalsVasogenic edema is caused by {{c1::a diverse range of things, including (but probably not limited to)-neoplasm-in…
Published 05/01/2023 Neuroimaging: Brain FundamentalsVasogenic edema primarily affects {{c1::white::white/gray/both}} matter. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsVasogenic edema on MRI presents as {{c1::facilitated}} diffusion.
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c2::Vasogenic}} edema in the brain on CT presents as {{c1::increased gray-white matter}}&nb…
Published 05/01/2023 Neuroimaging: Brain FundamentalsInterstitial edema occurs when {{c1::increased}} ventricular pressure results in {{c2::transependymal}}…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c2::Interstitial}} edema primarily affects the {{c1::periventricular}} {{c1::white::gray/white}} matt…
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Published 05/01/2023 Neuroimaging: Brain FundamentalsBecause the volume of the posterior fossa is limited, {{c1::cerebellar::brain segment}} infarcts are especia…
Published 05/01/2023 Neuroimaging: Brain FundamentalsA {{c1::subfalcine}} herniation is seen when the {{c2::cingulate gyrus}} slides underneath the&nbs…
Published 05/01/2023 Neuroimaging: Brain FundamentalsA {{c1::subfalcine}} herniation has the potential to compress the {{c2::anterior cerebral artery (…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThrough what mechanism does a subfalcine herniation cause infarction?{{c1::Compression of the anterior cerebral a…
Published 05/01/2023 Neuroimaging: Brain FundamentalsSubfalcine herniation can result in {{c1::contralateral::contralateral/ipsilateral}} {{c2::ventricular}…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThis image indicates a(n) axial {{c1::FLAIR}} MRI showing:Yellow arrows: {{c2::heterogenous::heterogenous/ho…
Published 05/01/2023 Neuroimaging: Brain FundamentalsEffacement of the {{c1::perimesencephalic cisterns}} may be a sign of impending/actual {{c2::transtentorial}…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Uncal}} herniation is {{c2::down}}ward transtentorial herniation of the {{c3::medial tempora…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Central}} herniation is {{c2::down}}ward transtentorial herniation of the {{c3::thalamus}} a…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Central/Uncal (Transtentorial)}} herniation can lead to compression of the {{c2::ipsi::ipsi/contr…
Published 05/01/2023 Neuroimaging: Brain FundamentalsOculomotor (Cranial Nerve III) palsy leads to pupillary {{c1::dilation}} and {{c1::down}}ward and {{c1::out}…
Published 05/01/2023 Neuroimaging: Brain FundamentalsTranstentorial (Central/Uncal) Herniation compressing the {{c1::ipsi::ipsi/contra}}lateral posterior cerebra…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c2::Transtentorial (Central/Uncal)}} Herniation can cause small {{c1::Duret}} hemorrhages. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsDuret hemorrhages occur within the {{c1::medulla}} or {{c1::brainstem}}.
Published 05/01/2023 Neuroimaging: Brain FundamentalsDuret hemorrhages are caused by {{c1::shearing}} forces of {{c2::perforating}} {{c2::basilar}} artery b…
Published 05/01/2023 Neuroimaging: Brain FundamentalsDuret hemorrhages occur when there is {{c1::down}}ward force on the {{c1::brainstem}}.
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Kernohan's notch}} phenomenon is characterized by compression of the {{c2::contra::ipsi/contra}}latera…
Published 05/01/2023 Neuroimaging: Brain FundamentalsKernohan's notch phenomenon is associated with {{c1::ipsi::ipsi/contra}}lateral {{c1::hemiparesis}…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Central::Central/Uncal}} transtentorial herniation can cause progressive impairment of {{c2::brainstem…
Published 05/01/2023 Neuroimaging: Brain Fundamentals* = {{c1::subdural hematoma}}yellow arrow: {{c2::rightward midline shift}}
Published 05/01/2023 Neuroimaging: Brain FundamentalsBlue arrows: {{c1::Duret hemorrhages}} within the {{c1::pons}}Red arrows: effacement of the {{c2::perimesencephal…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Upward}} transtentorial herniation is displacement of the {{c2::upper cerebellum}} secondary to {…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe main complication of {{c1::upward}} transtentorial herniation is {{c2::cerebral aqueduct}} compress…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Cerebellar tonsillar}} herniation occurs downward through the {{c2::foramen magnum}}, usually secondary to&…
Published 05/01/2023 Neuroimaging: Brain FundamentalsCerebellar tonsillar herniation when not caused by mass effect can be secondary to a {{c1::normal}…
Published 05/01/2023 Neuroimaging: Brain FundamentalsCerebellar tonsillar herniation secondary to normal variant or Chiari malformation are referred to with terms lik…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c2::Cerebellar tonsillar}} herniation can cause compression of the {{c1::medullary respiratory centers}}, …
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Extracranial Herniation::Extracranial Herniation/Encephalocele}} is the correct term to refer to brain tissue ou…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Encephalocele::Extracranial Herniation/Encephalocele}} is the correct term to refer to brain tissue outside the …
Published 05/01/2023 Neuroimaging: Brain FundamentalsExtracranial herniation is an {{c1::expected::expected/unexpected}} feature following decompressive craniect…
Published 05/01/2023 Neuroimaging: Brain FundamentalsExtracranial herniation with a "{{c1::mushroom}}"-like appearance suggests a craniectomy defect is {{c2::too smal…
Published 05/01/2023 Neuroimaging: Brain FundamentalsFollowing craniectomy, {{c1::paradoxical}} herniation is also known as {{c2::sunken/sinking skin f…
Published 05/01/2023 Neuroimaging: Brain FundamentalsParadoxical herniation (sunken/sinking skin flap syndrome) is a complication of a {{c1::large craniecto…
Published 05/01/2023 Neuroimaging: Brain FundamentalsParadoxical herniation (sunken/sinking skin flap syndrome) is caused by {{c1::intracranial pressur…
Published 05/01/2023 Neuroimaging: Brain FundamentalsParadoxical herniation (sunken/sinking skin flap syndrome) results in the brain shifting {{c1::awa…
Published 05/01/2023 Neuroimaging: Brain FundamentalsT{{c1::1}} {{c2::shortening}} is {{c3::(bright) hyper}}intense on T{{c1::1}}-weighted images. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsT{{c1::1}} {{c2::prolongation}} is {{c3::(dark) hypo}}intense on T{{c1::1}}-weighted images. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsT{{c1::2}} {{c2::shortening::shortening/prolongation}} is {{c3::(dark) hypo}}intense on T{{c1::2}}-weighted …
Published 05/01/2023 Neuroimaging: Brain FundamentalsT{{c1::2}} {{c2::prolongation}} is {{c3::(bright) hyper}}intense on T{{c1::2}}-weighted images. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsMost brain lesions are {{c1::hypo}}intense on T{{c2::1}}-weighted images.
Published 05/01/2023 Neuroimaging: Brain FundamentalsMelanin is {{c1::hyper}}intense on T{{c2::1}}-weighted images.
Published 05/01/2023 Neuroimaging: Brain FundamentalsFat is {{c1::hyper}}intense on T{{c2::1}}-weighted images.
Published 05/01/2023 Neuroimaging: Brain FundamentalsProteinaceous material is {{c1::hyper}}intense on T{{c2::1}}-weighted images.
Published 05/01/2023 Neuroimaging: Brain FundamentalsMethemoglobin is {{c1::hyper}}intense on T{{c2::1}}-weighted images.
Published 05/01/2023 Neuroimaging: Brain FundamentalsGadolinium, copper, manganese, iron, and {{c3::dispersed}} calcium are {{c1::hyper}}intense on T{{c2::1}}-we…
Published 05/01/2023 Neuroimaging: Brain FundamentalsSlow-flowing blood being T1 hyperintense is a "{{c1::time-of-flight}}" effect called {{c2::flow-related}} en…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c3::Slow-flowing}} blood is {{c1::hyper}}intense on  T{{c2::1}}-weighted {{c2::spin-echo}}&…
Published 05/01/2023 Neuroimaging: Brain FundamentalsT{{c1::1}}-weighted spin-echo sequences have a {{c2::short::short/long}} {{c3::time of repetition …
Published 05/01/2023 Neuroimaging: Brain FundamentalsMost brain lesions are {{c1::hyper}}intense on T{{c2::2}}-weighted images.
Published 05/01/2023 Neuroimaging: Brain FundamentalsMost brain lesions are T2 hyperintense due to {{c1::water}} content causing T2 prolongation.
Published 05/01/2023 Neuroimaging: Brain FundamentalsMost stages of blood (deoxyhemoglobin, intracellular methemoglobin, hemosiderin) are T{{c1::2}} {{c2::hypo}}…
Published 05/01/2023 Neuroimaging: Brain FundamentalsCalcifications are T{{c1::2}} {{c2::hypo}}intense. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsFibrous tissues are T{{c1::2}} {{c2::hypo}}intense. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsHighly cellular tumors are T{{c1::2}} {{c2::hypo}}intense. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsDesiccated secretions in the {{c3::paranasal sinuses}} are T{{c1::2}} {{c2::hypo}}intense. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsLymphoma is T{{c1::2}} {{c2::hypo}}intense. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsMedulloblastoma is T{{c1::2}} {{c2::hypo}}intense. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsTumors with a high nucleus:cytoplasm are T{{c1::2}} {{c2::hypo}}intense.
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c3::Fast-moving}} blood is {{c2::hypo}}intense on T{{c1::2}}-weighted sequences.
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe "time-of-flight" effect which causes fast-moving  blood to be T2 hypointense is called a "{{c1::flo…
Published 05/01/2023 Neuroimaging: Brain FundamentalsMRI FLAIR refers to the addition of a(n) {{c1::inversion pulse}} that {{c2::nulls fluid signal}} (based…
Published 05/01/2023 Neuroimaging: Brain FundamentalsThe MRI {{c1::T2 FLAIR (or just FLAIR)}} sequence is the workhorse of neuroradiology. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsCerebrospinal fluids (CSF) is {{c1::dark}} on T2 Flair.
Published 05/01/2023 Neuroimaging: Brain FundamentalsCerebrospinal fluids (CSF) is {{c1::dark}} on T1-weighted images.
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c3::White}} matter is {{c1::hyper}}intense on T{{c2::1}}-weighted images.
Published 05/01/2023 Neuroimaging: Brain FundamentalsWhite matter is hyperintense on T1-weighted images due to {{c1::fatty myelination}} of white matte…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::White::White/Gray}} matter is {{c2::darker::lighter/darker}} than {{c1::gray::white/gray}} matter on FLAIR.
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::Proton density (PD)}} images have the highest {{c2::signal-to-noise}} ratio of any sequence. 
Published 05/01/2023 Neuroimaging: Brain FundamentalsProton density (PD) sequences may be useful in evaluation of {{c1::multiple sclerosis (MS)}}, particularly i…
Published 05/01/2023 Neuroimaging: Brain Fundamentals{{c1::(DWI) Diffusion}}-weighted imaging depicts {{c2::Brownian motion}} of water protons.
Published 05/01/2023 Neuroimaging: Brain Fundamentals(DWI) Diffusion-weighted imaging depicts that signal strength {{c1::decreases}} with {{c2::increasing}}&nbsp…
Published 05/01/2023 Neuroimaging: Brain FundamentalsIn (DWI) diffusion-weighted imaging, cerebrospinal fluid behaves like {{c1::free water}}, meaning it experie…
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