Radiology Finale boomboomboomboom Flashcards by Tim Agee

Describe the shape of a lymph node calcification

number of these?

Cauliflower

often grouped

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Submandibular Sialoliths are what shape?

They are usually superimposed where?

A periapical film usually reveals what part of a Sialolilth?

Smooth, like dense bony island

on the Mandible

upper part

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9:1 female to male

African Americans, Asians overrepresented

Vital Teeth!

Periapical cemental dysplasia

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2 types of Fibro-osseous (specifically cemento-osseous) lesions of the jaws

Periapical cemeto-osseous dysplasia

Florid cemento-osseous dysplasia

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What do we not do with Periapical/Florid cemento-osseous dysplasias

Tx/RCT

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Periapical Cemental Dysplasia 3 stages:

Radiolucent (loss of lamina dura)

Mixed

Mature

***at root tips

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Periapical Cemento-osseous dysplasias are often found in the anteriors and the posterior Mandible (after Mn1M extraction)

True

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Florid osseous dysplasia differs from periapical how?

still female prediliction (not as much)

still African americans/asians

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epicenters of Florid osseous dysplasia will be above the…

IAC

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SCC presentation (3 aspects)

permeates, invades, destroys bone

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Osteosarcoma affect the ______ space and produce _____

How does this affect the trabeculation/cortical outline of the Mn?

PDL, bone

Destroyed, missing

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Stylohyoid ligament ossification has what symptoms?

The stylohyoid ligament ossified and _______

Associated w/ ______ syndrome, in which head turning causes pain and there is loss of vision with otalgia

Asymptomatic

Elongates

Eagle Syndrome

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Elongated stylohyoid process different from Calcified stylohyoid complex, a type of _____ ossification

Heterotrophic

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Fibro-osseous disease in young people

Fibrous Dysplasia

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3 descriptors of Fibrous Dysplasia

Granular pattern

Cotton Wool

Orange Peel

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Fibrous dysplasia may arise next to ______ sinuses

the expansion displaces sinus borders and affects facial _______

Most often found in the Posterior _____

Lesion is poorly defined

paranasal

symmetry

Maxilla

True

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What is the most common oral cavity fracture?

2nd most common?

Mn condyles

Angle of body

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A discontinuity in the normal bony outline can be a fracture, including ______

opacity line in the Mn

Hypoplasia of the condyle usually affects:

Hyperplasia affects:

just condyle

condyle, ramus, post Mn

Subchondral bone cyst (small round radiolucent areas w/ irregular margins)

Osteophyte - new bone formation

Joint mice - osteophyte breaks off

TMJ degeneration

Lymph (calcified) radio presentation:

Tonsils:

Sialolith:

Phlebolith:

Cauliflower

Opaque grouping, angle of Mn

Round, smooth

dispersed “snowy” associated w/ hemangioma in veins

Calcified Atheroma can occur where?

Around what spinal location?

In what type of radiograph?

Carotid Bifurcation

C3-C4 (up to C5)

Pano

Uncomplicated Crown Fracture:

Complicated Crown Fracture:

Enamel only, or Enamel + Dentin (no pulp)

Enamel, dentin, exposure of pulp

LeFort Fractures, Type I:

Type II

Type III

Horizontal force, body of Mx

Triangular, IO rim, pterygoid plates

Lateral orbital walls, ethmoid, zygomatic arches

Best imaging modality for LeFort's:

CBCT

Multiple Myeloma presentation:

Punched out (like paper punch) No Cortical border multilocular, bilateral

Paget's Disease (vs Multiple Myeloma) Is systemic so entire Mn will _____ Spacial relationship w/ IA canal

Cotton Wool Enlarge above and below

Osteoporosis: has thin ______ Osteopetrosis

Older women, loss density cortical boundaries No osteoclasts, diffuse hazy radiopacity

Arthritis in the Condyle: Synovial chondromatosis: Condylar hyperplasia: Rheumatoid arthritis:

Sharpened pencil cartilaginous nodules (radiopaque loose bodies around condylar head) Elongation/Bend, more radiopaque Puzzle pieces (fibrous/bony/ankylosed)

Retention pseudocyst: Mucocele: Inflammatory Sinus: Sinus Infection:

Dome Shaped Mx sinus Blocked sinus ostium (unilateral opacity of entire sinus space) Thickening Strip/elevate periosteal lining ("halo sign")

Cherubism:

Think young, multiple unerupted teeth

Teeth floating in Air:

Langerhan's cell Histiocytosis

Malignancy, Histiocytosis, SCC, Lymphoma, Leukemia, can all cause Teeth Floating in Air

True

Fibrous Dysplasia unique radiographic appearance:

Ground Glass Granular appearance

Periapical Osseous Dysplasia could just be one tooth, like a lower Molar or go from canine to canine Lucent/Mixed/Opaque Stages

True

Mucositis is a thickening of lining of the sinus/inflammation due to tooth pathology/origin and has a _____ sign Presents as what in the Mx sinus?

Halo Thickening

Sinusitis, look for inflammation at exit of the sinus Acute sinusitis is the most common complication of what?

True common cold

Sialoliths commonly occur in what 3 areas?

Submandibular gland Sublingual gland Wharton's duct

Hyperpituitarism is _____ if onset in children ______ if adult

Gigantism Acromegaly

Acromegaly, very large jaw often w/ Class III open bite occlusion

True

Premature loss of primary teeth suggests what?

Hypophosphatasia

Chipmunk/rodent face

Thallasemia

Mx cysts/lesions can do what 3 things to the Mx sinus?

Bone intact Sinus floor raised Sinus perforated

How do you image the discs of the TMJ?

MRI