Principles of Radiographic differential Diagnosis Flashcards
1
Q
what do you consider when developing a differential dx
A
- recognition
- describe the lesion
- patient contribution: demographics, med hx
- possibilities: references
- probabilities: pattern recognition, differential diagnosis
2
Q
how does the process of diff dx work
A
- med history
- oral exam
- radiographic exam
3
Q
what are the patient factors that contribute to diff dx
A
- age, gender, race
- current medical conditions and meds
- supplemetns
- social hx
- oral habits
- past med history: surgeries, chemo/radiation, previous treatments for current problem
4
Q
in describing the lesion ____ will emerge
A
patterns
5
Q
what are the basic ingredients to defining the lesio
A
- size
- shape
-color - borders
- texture
- consistency
- location
6
Q
what are the DDx of periapical lucency
A
- PA abscess
- PA granuloma/cyst/scar
- odontogenic keratocyst
- early periapical/focal cemento-osseous dysplasia
- ameloblsatoma
- nasopalatine duct cyst/median palatal cyst
- artifact- mental foramen, nasal foramen
- dentin dysplasia type 1
- vitamin D resistant rickets- hypophophatemia
7
Q
what is the DDx pericoronal unilocular radiolucency in an adult
A
- hyperplastic follicle
- dentigerous cyst
- OKC(small, early)
- ameloblastoma
8
Q
what is the DDx for “floating teeth”
A
- langerhans cell histiocytes- scooped out radiolucency
- burkitt lymphoma
- melanotic neuroectodermal tumor of infancy
- leukemia - especially if destroying follicle
- always an ominous sign
9
Q
_____ and ____ are most important
A
recognition and action
10
Q
DDx helps _____
A
organize your thoughts
- gives you justifications for your actions and ways to communicate with the patient
11
Q
A
