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01 Paranasal sinuses, nasal cavity, & anterior skull base
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Published
05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The paranasal sinuses are lined with {{c1::ciliary mucosa::tissue ty…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The {{c1::ostiomeatal unit (OMU)}} is the common drainage pathway…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base Several air passages and a single bony structure ({{c1::the un…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseIsolated sinus disease of the maxillary sinus is most likely due to obs…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseSinus disease affecting the {{c2::maxillary}}, {{c2::frontal}}, and {{c…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The maxillary sinus drains via ciliary action through…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The {{c1::basal lamella}} demarcates the boundary …
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The lateral wall of the ethmoid sinus is the {{…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The anterior ethmoids drain via the {{c1::f…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The frontal sinus is {{c1::absent::p…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The frontal sinus drains into the {{c…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The sphenoid sinus drains into the…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The superior meatus is {{c1::ad…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The middle meatus is the air…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base The inferior meatus is {{…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base Chronic sinusitis is t…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base When reporting chro…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base A dehiscent…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base A dehisc…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base {{c1::CT}}…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base A {{c1:…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base MRI is …
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base In imag…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseThe {{c3::agger nasi}} (Latin for nasal mound) cell is the most {{c1::a…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseA large {{c1::agger nasi}} cell may cause obstruction of the {{c2:…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseA {{c3::Haller}} cell is an {{c1::ethmoid}} cell located {{c2::inferior…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseA {{c1::Haller}} cell may compromise the {{c2::maxillary}} ostium …
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseAn {{c4::Onodi}} cell is the most {{c1::posterosuperior}} {{c2::ethmoid…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseAn {{c2::Onodi}} cell may be mistaken for the {{c1::sphenoid sinus}} en…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base{{c3::Concha bullosa}} is formed when the {{c1::inferior bulbous}} port…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseA concha bullosa may cause {{c1::septal deviation::nose pathology?…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseImaging in acute sinusitis is indicated only if a {{c1::complication of…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseWhen imaging paranasal sinuses, an air–fluid level may represent {{c1::…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseSinus mucosal thickening most commonly represents {{c1::chronic::a…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseChronic sinusitis is inflammation of the paranasal sinus mucosa that la…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseImaging in chronic sinusitis is reserved for {{c1::presurgical planning…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base{{c2::Chronic}} sinusitis is thought to be caused by {{c1::obstruction …
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseDirect spread of infection from the sinuses to the orbit may cause {{c2…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseDirect spread of infection into the cranial cavity can cause {{c2::cave…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseIntracranial abscesses secondary to sinusitis may be {{c1::epidura…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseNotable complications of sinusitis may include {{c1::orbital::tissue?}}…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseAmong bony complications of sinusitis, chronic inflammation of the muco…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseIn bony complications of sinusitis, {{c3::osteomyelitis}} of the {{c1::…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseA {{c2::mucus retention cyst}} in sinonasal disease represents obstruct…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseDiagnosis? {{c1::Allergic fungal sinusitis}}.
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseChronic allergic fungal sinusitis is a noninvasive disease caused by {{…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseMost patients with allergic fungal sinusitis are immunocompetent b…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseIn chronic allergic fungal sinusitis, the affected sinus is {{c1::expan…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseIn chronic allergic fungal sinusitis, the sinus contents are typically …
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseAcute invasive fungal sinusitis is an aggressive infection that occurs …
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseThe imaging of early invasive fungal sinusitis shows nonspecific {{c1::…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseUnlike chronic allergic fungal sinusitis, invasive fungal sinusitis is …
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseDiagnosis? {{c1::Antrochoanal polyp}}.
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseAn {{c1::antrochoanal polyp}} is a benign polyp extending from the {{c2…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull base{{c1::Complete resection::What treatment?}} of an antrochoanal pol…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseDiagnosis? {{c1::Mucocele.}}
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseA mucocele is an {{c2::expanded::size?}} {{c2::airless::air c…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseMucocele may be secondary to {{c1::inflammatory sinus disease}} (most c…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseIn mucocele, there is {{c1::thinning::thickness?}} of the sinus walls.&…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseMRI signal intensity of sinus content in mucocele is {{c1::variable}} a…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseIn mucocele, with increasing chronicity, signal {{c2::increases::increa…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseDiagnosis? {{c1::Inverted papilloma.}}Arrow: {{c2::Reactive bony sclero…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseDiagnosis? {{c1::Inverted papilloma.}}Arrows: {{c2::lobulated::shape?}}…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseAn inverted papilloma is a {{c1::benign::benign or malignant?}} lobulat…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseThe classic imaging finding in inverted papilloma is a {{c1::cerebrifor…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseIn an inverted papilloma, in contrast to a mucocele or obstructed secre…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseTreatment of an inverted papilloma is {{c1::surgical resection}} and re…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseThe sinuses develop at different times in children. At birth, the {{c1:…
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05/01/2023
Neuro Imaging Head & Neck: Paranasal sinuses, nasal cavity, anterior skull baseThe variable depth of the {{c1::olfactory fossa}}, which is bounded by …
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