Radiology Finale boomboomboomboom Flashcards
Describe the shape of a lymph node calcification
number of these?
Cauliflower
often grouped
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
9:1 female to male
African Americans, Asians overrepresented
Vital Teeth!
Periapical cemental dysplasia
2 types of Fibro-osseous (specifically cemento-osseous) lesions of the jaws
Periapical cemeto-osseous dysplasia
Florid cemento-osseous dysplasia
What do we not do with Periapical/Florid cemento-osseous dysplasias
Tx/RCT
Periapical Cemental Dysplasia 3 stages:
Radiolucent (loss of lamina dura)
Mixed
Mature
***at root tips
Periapical Cemento-osseous dysplasias are often found in the anteriors and the posterior Mandible (after Mn1M extraction)
True
Florid osseous dysplasia differs from periapical how?
still female prediliction (not as much)
still African americans/asians
epicenters of Florid osseous dysplasia will be above the…
IAC
SCC presentation (3 aspects)
permeates, invades, destroys bone
Osteosarcoma affect the ______ space and produce _____
How does this affect the trabeculation/cortical outline of the Mn?
PDL, bone
Destroyed, missing
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
Elongated stylohyoid process different from Calcified stylohyoid complex, a type of _____ ossification
Heterotrophic
Fibro-osseous disease in young people
Fibrous Dysplasia
3 descriptors of Fibrous Dysplasia
Granular pattern
Cotton Wool
Orange Peel
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
What is the most common oral cavity fracture?
2nd most common?
Mn condyles
Angle of body
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
