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CT/MR Sinuses/Facial

QuestionAnswer
What is the superior portion of the bony nasal septum? perpendicular plate
What is the largest immovable facial bone? maxilla
Name the small bone that forms the medial wall of the orbit and is posterior to the nasal bone? lacrimal
What is the proper name for the cheek bone? Zygoma
What is the inferior portion of the bony nasal septum? vomer
What sinus is inferior to the pituitary gland? sphenoid
What is the smallest cranial bone? ethmoid
What facial bone helps with filtration and circulation of air in the nose? nasal conchae
What facial bone makes up the bridge of the nose? nasal bone
What is the largest movable facial bone? mandible
What structure anchors the brain anteriorly? cristi galli
Which sinus is the most superior? frontal
What are four functions of the sinus? resonating chamber for voice; helps to warm and moisten air; shock absorbers; possible help in control of immune system
What are the two functions of the facial bones? provide structure and shape for face; provide support for face
What is the cranial bone between the orbits? ethmoid
What part of the ethmoid bone that contains foramina for the olfactory nerves? cribiform plate
Which of the three sets of nasal conchae are cranial bones? superior and middle nasal conchae
Name the 14 facial bones volmer-1; inferior nasal conchae-2; nasal-2; maxilla-2; mandible-1;palatine-2;zygomatic-2; lacrimal-2
What 3 cranial bones does the Zygoma articulate with? frontal, temporal, sphenoid
Name the four sinuses. frontal, maxillary, ethmoid, sphenoid
How many sinuses are found on cranial bones? 3- frontal, ethmoid, sphenoid
What imaging modality is best to image the sinuses? CT or MR CT
What imaging modality is best to image the facial bones: CT or MR? CT
How are axial slice for sinuses imaging orientated? parallel with the OML
How are coronal images of the sinuses orientate? perpendicular to the OML
What is an appropriate slice thickness for sinuses? 2-5 mm
When would contrast be used for imaging of the sinuses? suspected mass or abscess or cellulitis
What is sinusitis? inflammation of the sinuses; can be viral, bacterial, or fungal
Created by: jacook3
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