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381 Terms
dark blue
phleboliths
light blue
triticeous cartilage and thyroid cartilage
dark green
calcified lymph nodes
light green
tonsilloliths
purple
calcified atheromatous plaque
orange
antrolith
beige
ossified stylohyoid ligament
red
sialoliths
what’s goin on here?
long standing cyst that has residual calcifications
what is this?
dystrophic calcification of the tonsils
what is this?
dystrophic calcification of lymph nodes
what is this?
calcification of the carotid artery
what is this?
calcifications of the carotid artery on MDCT
in the 5 pixels this image is comprised of, what do you see?
calcification of the facial artery
what is this?
phleboliths
what is this?
phleboliths
what is this?
sialolith
what is this?
sialolith
what do you see in this ~reconstructed pano~
antrolith
what is this?
antrolith
what is circled in red?
triticeal cartilage
what is the white arrow pointing to?
calcified thyroid cartilage
what is A?
calcification of triticeous cartilage
what is B?
calcification of thyroid cartilage
what are the white arrows pointing at?
calcified thyroid cartilage
what are the white arrows pointing at?
ossification of the stylohyoid ligament
what are the white arrows pointing at?
ossification of the stylohyoid ligament
what is this?
osteoma cutis
1?
alveolar crest
2?
CEJ
3?
lamina dura
4?
PDL space
5?
alveolar bone proper
what is the arrow pointing to?
early bone changes
what kind of bone loss is this?
horizontal
what kind of bone loss is this?
vertical
what are the arrows pointing at?
interdental craters
what can be seen in these images?
buccal/lingual cortical plate loss
what are these arrows pointing at?
osseous deformities in furcations
what is the arrow pointing at?
periodontal abscess
what’s going on here?
aggressive periodontitis
what is a, and how can you tell?
squamous cell carcinoma- irregular bone destruction and this is the only area affected
what is b, and how can you tell?
malignant tumor- loss of the floor of the maxillary sinus and irregular PDL widening (metastasis)
what is c, and how can you tell?
langerhans’ cell histiocytosis- bone destruction with epicenter at the midroot region, scooped out, usually no other pathology
what is the epicenter of this lesion and what does that tell you?
within the IAN
neural or vascular origin
punched-out
sharp boundary but no radiopaque line
surrounding bone appears normal
sclerotic
thick radiopaque border of reactive bone
indicates slow growth, potential of the lesion to stimulate production of bone
soft tissue capsule
radiolucent at the periphery
usually indicates a benign tumor
blending
gradual transition between adjacent normal and abnormal bone
focus on trabecular, not marrow
invasive
area of few or no trabeculae
focus on marrow spaces creating finger like projections
rapid growth, malignancy
what shape is this lesion?
scalloped
how would you describe these lesions?
well defined, irregular
a?
air/gas
b?
fat
c?
fluid
e?
bone marrow
blue line?
soft tissue
purple line?
enamel
green line?
metal
pink line?
cortical bone
red line?
trabeculae
what trabeculation pattern is this?
ground glass
what trabecular pattern is this?
orange peel
how would you describe this trabecular pattern?
increased number or size of trabeculation
internal septation
strands of bone, can divide lesion into compartments- multilocular
can be curved or straight, coarse or fine
dystrophic calcification
occurs in damaged soft tissue like lymph nodes or chronically inflammed cysts
amorphous bone
homogenous, dense amorphous structure
tooth structure
enamel, dentin, pulp
a lesion that apically displaces teeth is typically…
follicular cyst or odontomas
a lesion that anteriorly displaces teeth is typically…
cherubism
a lesion that superiorly displaces teeth is typically…
lymphoma, leukemia, langerhan’s
uniform widened PDL with intact lamina dura is typically…
orthodontic movement
irregular widened PDL with destruction of lamina dura is typically…
malignancy, quickly grows throughout PDL space
if you see tooth floating in the air on a radiograph, it is likely…
malignancy
superior displacement of the IAN is typically associated with…
fibrous dysplasia
widening of the IAN is typically associated with…
benign neural or vascular lesion
irregular widening of the IAN with cortical destruction is typically associated with…
malignancy
ossifying fibroma grows…
concentrically
fibrous dysplasia…
enlarges bone but maintains bone shape
periosteal reaction
exudate from inflammatory lesion lifts periosteum off of the surface
when it occurs multiple times, can result in onion-skin appearance
most commonly seen with osteomyelitis
less common but can be seen in leukemia and langerhan’s
what is this?
periapical inflammatory lesion
what is this?
periostitis
what do all of these images have?
periapical inflammatory lesion
what is this?
acute phase osteomyelitis
what is this?
periosteal bone reaction
what is this? (there are more pics so look at the ppxt)
osteomyelitis
the two images on the left show…. while the two images on the right show…
radiographic manifestations of malignancies
radiographic manifestations post radiation treatment
what is this? (there are more pics so look in the ppxt)
osteoradionecrosis
what is this? (there are more pics so look in the ppxt)
antiresorptive agent- induced ONJ
what is this?
pericoronitis
a and d?
ethmoidal sinuses
b?
maxillary sinuses
c?
frontal sinuses
e?
sphenoidal sinuses
a?
hiatus semilunaris
b?
middle meatus
c?
ethmoid bulla
d?
infundibulum
e?
uncinate process
f?
maxillary ostium