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82 Cards in this Set
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what to find out or do before getting to DD.
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Hx of illness, 2. Review Medical and family Hx., 3. Clinical exam
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How do you confirm a diagnosis?
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1. look and know
2. biopsy 3. History--> diagnosis sometimes 4. Put pt. on medication. if cures, then you know the disease |
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Macule is?
Most common ex? |
color change, NOT ELEVATED OR DEPRESSED.
Oral Melanotic Macule |
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Papule is?
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Small nodule <5mm. sold. (like mass in the tissue)
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Nodule is a...?
Color? |
solid, riased, >5mm.
normal |
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sessile vs. pedunculated?
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Sessile: nodule with base of lesion larger than rest.
Pedunculated: lesion larger than base |
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Papillary means?
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surface change due to inflammatory reactive process.
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Verrucous is
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rough, warty surface change. very minimal change to tissue
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Vesicle vs. bulla?
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1. vesicle is <5mm. bulla is <5mm.
2. Vesicle does not last as long as a bulla (bulla are deeper in the tissue???) |
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what happens to oral vesicles?
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they rupture (don't last long and they are rare in the oral environment). then blister.
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Pustule color/ is?/
Seen with? |
yellow/ little vesicles less than 1mm
recurrent herpes |
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Ulcer occurs when? is?
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bullous lesion ruptures. is a loss of surface epi and sometimes some underlying CT too. usually depressed or cavitated.
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Erosion is a _____ Lesion?
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superficial that is not all the way through the surface of epi. (true definition says it can go all the way through the epi.)
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Fissure is a
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narrow slit like ulceration/groove.
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Fissures are worth watching because?
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can get increased infections.
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Plaque color? it is?
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white usually. slightly elevated (thickened epi or elongation of rete ((ridges)).
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Leukoplakia is a?
____% will be displastic? % increases with |
white plaque
20%. irregularity. |
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Acanthosis is
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thickening of epi.
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Petechia are
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small areas of vascular dilation (round pinpoint area of hemorrhage).
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causes palatal petechia?
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1. trauma
2. TTP, ITP (idiopathic thrombocytopenia) 3. URI 4.Ecchymosis |
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Ecchymosis is a?
Increases with? |
rupture of vessels under the skin
age |
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Telangiectasia is a
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hemangioma that forms at birth/ shortly after.
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Telangiectasia growth ?
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grows faster than child (at first) then goes away during adolescence.
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Telangiectasia/ vascular lesion caused by
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dilation fo small superficial blood vessels.
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if telangiectasia clots?
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turns hard and does not blanch
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Blanching for charge:
making lots of $$$ |
Dioscopy
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Cyst is
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pathologic epi-lined cavity usually filled with liquid or semi-solid contents. (general pathologists do not require epi-lined.
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called cysts but not true cysts (just some exs)
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simple bone cysts, psuedocyst
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Cysts types
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developmental and inflammatory
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white vs. red cysts
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white is bad and red is good (90% or better with red)
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If it is a lesion that is rough and vesicular think:
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1. papilloma, 2. VV 3. Condyloma acuminatum. Know these three.
others: SCC, Verrucous carcinoma, Giant cell fibroma, Veruciform zanthoma, focal epi hyperplasia. |
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Verucous carcinoma is
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subtype of SCC that is superficial growth. it can grow lateral for 5 yrs then goes vertical (becomes normal SCC)
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Red lesion DD is (you can differentiate a lot of these based on location). 5 total
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1. erythematous candidiasis (dentures stomatitis and angular cheilitis).
2. trauma. 3. erythema migrans (geographic tongue. 4. burns. 5. erythroplakia |
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___% of erythroplakias are cncerous?
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90%
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types of pigmented lesions?
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1. Melanocytic (and subtypes
2. Foreign body 3. Vascular |
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Second monst common Melanocytic lesion?
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melanotic macule
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Melanotic macule appears? causes?
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diffent color with no elevation
smokers melanosis, drugs, addisons disease, neurofibromatosis, Albright's disease |
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Neurofibromatosis is coast of ?
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California
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Albright's disease is coast of
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maine
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Worst type of fibrous dysplasia is ? distinguished by
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albrights
percusious puberty |
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Melanocytic pigmented lesions include
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melanotic macule
2. nevus 3. melanotic neuroectidermal tumor of infancy 4. melanoma (only true malignancy) |
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Nevus types?
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junctional, compound, intramucosal, and blue
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Tx for blue nevus?
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disappears with age. quote was "born with them die without."
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Melanoma most common location? others with the same most common location?
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palate
amalgam tatoo and macule |
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location where nevus has never been seen?
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dorsal surface of tongue
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How to tell if a pigmented lesion is vascular?
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if it blanches
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DD for Brown/Grey/Black lesions?
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1. Racial pigmentation, 2. amalgam tattoo, 3. hairy tongue, 4. melanotic macule, or 5. smokers melanosis
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Upper lip DD?
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1. irritation fibroma, 2. salivary gland tumor, 3. salivary duct cyst, 4. minor gland sialoliths, 5. Other mesenchymal tumors, 6. Nasolabial cyst (Cleidstat cyst)
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Minor glands % benign vs malignant?
Where/what is the exception? |
1. 50/50%
2. Upper lip is only 80/20% |
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Lower lip order of DD?
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1. Mucocele, 2. Irritation fibroma, 3. SCC, 4. Mesenchymal tumors, 5. Salivary duct cyst, 6. Salivary gland tumor, 7. Keratoacanthoma
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Which lip is more likely to be malignant?
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Lower, so upper lip is better off.
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Keratoacanthoma is
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SCC that is extremely well differentiated.
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Keratoacanthoma tx?
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After 1 yr, goes away on own (but not often diagnosed so may receive tx like SCC)
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DD of redundant tissue of upper lip?
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Double lips, asher's syndrome
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Asher's syndrome symptoms?
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Droopy eye lids, hyperthyroidism, Double upper lip
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Double upper lip is due to
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negative suction habit
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Negative suction habit on the cheak called?
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linea alba
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Gingival lesions DD?
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1. Pyogenic granuloma,
2. Peripheral giant cell granuloma (PGCG) 3. POF 4. Peripheral fibroma |
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Which of the gingival lesions are unique to the gingiva?
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PGCG and POF
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An epulis is
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a lump on the gingiva
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POF is unique and differs from PGCG because
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it is a periodontal lesion. If no tooth, cannot be POF
PGCG can be edentulous and is a lesion of the periostium (unique to alveolar bone) |
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PG recurrence?
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5%
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When is it a peripheral fibroma?
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if it is only fibrous tissue
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the game given to the group of gingival lesions?
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Inflammatory fibrous hyperplasia
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Systemic diseases that have gingival lesions?
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Brown tumor of hyperthyroidism and Paget's
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PGCG has a calcium level that is
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negative (perform this test and a serum phosphatase on any centrally located lesion)
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2 syndromes associated with supernumeraries?
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Cleidocranial and gardners sundrome.
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Hyperdontia is more commonly due to
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idiopathic supernumeraries or cleft lip/palate
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most common supernumerary/
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mesiodense
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Twinning is
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has multiple definitions. can mean funny looking, large teeth or supernumerary (this is why it is not preferred by the author)
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Gemination vs fusion (and tooth count for each
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Gem: tooth bud splits: normal tooth count
Fus: two teeth grow together: loss of tooth count by 1 |
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Attrition vs abrasion
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Att: tooth to tooth (bruxism)
Abrasion: tooth brush |
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Erosion types?
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Perimolysis: from within the body
Acid erosion: acid source is from outside the body |
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Abfraction is
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stress fracture on tooth. Tooth must crack/chip (microstructure) of dentin and enamel. (can't usually see)
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Erosion and abfraction can be fixed by
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saliva
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If it is DD for unilocular RL, think
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1. OKC
2. Dentigerous Cyst Ameloblastoma |
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Why is the term hyperplastic dental follicle not used?
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insurrance wont pay
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Dentigerous cyst same lesion as (other close lesions, 2)
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1. Eruption cyst,
2. Orthokeratinizing odontogenic cyst |
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If the RL lesion is in the anterior maxilla, think ____ for DD
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Dentigerous Cyst,
OKC AOT (instead of ameloblastoma, which is rarely in the anterior) |
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Lesions that early on are RO?
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COC, CEOT, AFO
Intraosseou MEC |
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Which lesion has the thirds rule?
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AOT (but not sure what this rule is, I forget)
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Median rhomboid glossitis is caused by?
Lesion color? |
Candidiasis
Red |