Create
Learn
Share

Radi-what-ogy?

rename
lunalovegood's version from 2016-06-15 15:38

Section

Question Answer
Dense bone islandidiopathic osteosclerosis
Enostosisidiopathic osteosclerosis
Bone rxn to low-grade periapical or periodontal diseasesclerosing osteitis
Ill-defined at the apex of a non-vital toothsclerosing osteitis
Associated with Paget's diseasehypercementosis
Associated with Gardner's syndromehypercementosis
Dysplastic remodeling of bone adjacent to PDL spaceperiapical cemental dysplasia (cemento-osseous dysplasia)
Benign, CT proliferation originating from cellular elements of the PDLperiapical cemental dysplasia (cemento-osseous dysplasia)
Localized change in bone metabolismperiapical cemental dysplasia (cemento-osseous dysplasia)
Destroys lamina dura, replacing bone with fibrous tissue that calcifiesperiapical cemental dysplasia (cemento-osseous dysplasia)
Most often seen in vital mandibular teeth in AA females over the age of 30periapical cemental dyspasia (cemento-osseous dysplasia)
Stage 1. Fibrous 2. Intermediate 3. Cementoblasticperiapical cemental dysplasia (cemento-osseous dysplasia) (lucent --> mixed --> opaque)
Smoothly contoured dense opacity devoid of trabecular patternperiapical cemental dysplasia (cemento-osseous dysplasia)
Very defined borders, radiopaque rim, radiolucent haloperiapical cemental dysplasia (cemento-osseous dysplasia)
Neoplasm of cementoblastscementoblastoma
Occurs in young mencementoblastoma (<20 yo)
Most often in mandibular first molar of the young ladscementoblastoma
Wheel spoke patterncementoblastoma
Mottled or dense mass, attached to roots, resorbing them, must extract (mass comes out with tooth)cementoblastoma
Occurs in male childrenosteoblastoma (avg age 17)
Predilection for maxillaosteoblastoma
Extremely rare in jaws, but very painfulosteoid osteoma (mostly seen in femur or tibia)
Nocturnal pain, small lesion, males 2:1, <30yo, mandibular molar regionosteoid osteoma
"Target lesion"osteoid osteoma
Avg age 35, females, posterior mandible, asymp, slow growing, mixed density, well-defined, can cause disfigurementcemento-ossifying fibroma
Favorable prognosis, but looks uggggggggggggggggggglycemento-ossifying fibroma
Cellular and fibrous tissue with calcified material behaving like a benign bone neoplasmcemento-ossifying fibroma
memorize

 

Pericoronal Lesions
Question Answer
Normal follicleradiolucent
Hyperplastic follicleradiolucent
Dentigerous cystradiolucent
Odontogenic Keraocystradiolucent
Ameloblastomaradiolucent
Ameloblastic fibromaradiolucent
Odontomamixed density
AOTmixed density
CEOTmixed density
CEOCmixed density
Ameloblastic fibro-odontomamixed density
memorize

 

Pericoronal Lesions
Question Answer
Most common developmental odontogenic cystdentigerous cyst
Accumulation of fluid in space b/n follicle & toothdentigerous cyst
CEJ all the way to other CEJ - 3rd molars most common sitedentigerous cyst
Sometimes, can see blue-ish hue and swelling in areadentigerous cyst
Lumen filled with keratinodontogenic keratocyst
Cheesy foul smelling contentsodontogenic keratocyst (ewwww... OKC Okcupid men - also cheesy, and foul smelling. heh heh.)
What does OKC have in common with OKCupid?male predilection
Arise from cell rests of dental laminaodontogenic keratocyst
Enucleation and curettage is treatment of choiceodontogenic keratocyst
Radiographically indistinguishable from dentigerous cystodontogenic keratocyst
Dentigerous cyst has straight border, ___ ___ has wavy borderodontogenic keratocyst
Plexiform, luminal, muralameloblastoma
Plexiform & luminal treated by decompression (marsupulization) followed by enucleation. Mural treated by conventional resection.ameloblastoma
10-12 yo age, 1st mandibular molar most common ameloblastic fibroma
Treat with surgical excisionameloblastic fibroma
High recurrence because of misdiagnosis as dentigerous cystameloblastic fibroma
SUBMIT TISSUE FOR MICROSCOPIC EXAM BECAUSE IT COULD BE...ameloblastic fibroma
Compound vs Complexodontoma
Odontoma - shows histologic differentiationcompound odontoma
Odontoma - shows ONLY histologic differentiation of enamel, dentin & pulpcomplex odontoma
Odontoma - ant > post, max > mandcompound odontoma
Odontoma - post > ant, mand > mandcomplex odontoma
Anterior region, young teenage females, associated with maxillary canineAOT (adenomatoid odontogenic tumor)
"Duct-like" epithelial structuresAOT (adenomatoid odontogenic tumor)
Epithelial rosettes & calcifications surrounded by a capsuleAOT (adenomatoid odontogenic tumor)
Soft tissue components of ameloblast fibroma & hard tissue elements of odontomaameloblastic fibro-odontoma
A rare odontogenic lesion from odontogenic epithelial restsCEOC (calcifying odontogenic cyst)
Gorlin cyst or Ghost cell odontogenic tumorCEOC/CEOT
Benign, locally aggressive tumor from remnant of dental laminaCEOT (calcifying epithelial odontogenic tumor)
Epithelial islands w/ pleomorphic neoplastic cellsCEOT (calcifying epithelial odontogenic tumor)
Spherical calcification (Liesegang rings)CEOT (calcifying epithelial odontogenic tumor)
Amyloid depositsCEOT (calcifying epithelial odontogenic tumor)
"Snow flakes"CEOT (calcifying epithelial odontogenic tumor)
memorize

 

Male vs. Female
Question Answer
OKCmale
AOTfemale (adenomatoid odontogenic tumor)
CEOTmale (calcifying epithelial odontogenic tumor)
Periapical cemental dysplaisafemale (AA)
memorize

 

Age
Question Answer
Ameloblastomalate teenage
Ameloblastic fibromachildhood age 10-12 yo
AOTyoung teenage (adenomatoid odontogenic tumor)
Ameloblastic Fibro-Odontomayoung
CEOCwide age range (calcifying odontogenic cyst)
Periapical cemental dysplasia>age 30
memorize

 

Area
Question Answer
Dentigerous Cyst3rd molars >> mand 2nd premolars, maxillary canine
OKCMANDIBLE - 3rd molar (or impacted tooth)
Ameloblastomamandibular 3rd molar (or impacted tooth)
Ameloblastic fibroma1st mandibular molar
AOTanterior regions & maxillary canine (adenomatoid odontogenic tumor)
CEOTposterior, mandible (calcifying epithelial odontogenic tumor)
Idiopathic osteosclerosisposterior, mandibular molars/premolars (vital teeth)
Sclerosing Osteitisapex of non-vital/hypovital tooth, inflammation
Hypercementosispremolars/molars
Periapical cemental dysplasia90% mandible
memorize