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82 Cards in this Set

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what to find out or do before getting to DD.
Hx of illness, 2. Review Medical and family Hx., 3. Clinical exam
How do you confirm a diagnosis?
1. look and know
2. biopsy
3. History--> diagnosis sometimes
4. Put pt. on medication. if cures, then you know the disease
Macule is?

Most common ex?
color change, NOT ELEVATED OR DEPRESSED.

Oral Melanotic Macule
Papule is?
Small nodule <5mm. sold. (like mass in the tissue)
Nodule is a...?

Color?
solid, riased, >5mm.

normal
sessile vs. pedunculated?
Sessile: nodule with base of lesion larger than rest.
Pedunculated: lesion larger than base
Papillary means?
surface change due to inflammatory reactive process.
Verrucous is
rough, warty surface change. very minimal change to tissue
Vesicle vs. bulla?
1. vesicle is <5mm. bulla is <5mm.
2. Vesicle does not last as long as a bulla (bulla are deeper in the tissue???)
what happens to oral vesicles?
they rupture (don't last long and they are rare in the oral environment). then blister.
Pustule color/ is?/

Seen with?
yellow/ little vesicles less than 1mm

recurrent herpes
Ulcer occurs when? is?
bullous lesion ruptures. is a loss of surface epi and sometimes some underlying CT too. usually depressed or cavitated.
Erosion is a _____ Lesion?
superficial that is not all the way through the surface of epi. (true definition says it can go all the way through the epi.)
Fissure is a
narrow slit like ulceration/groove.
Fissures are worth watching because?
can get increased infections.
Plaque color? it is?
white usually. slightly elevated (thickened epi or elongation of rete ((ridges)).
Leukoplakia is a?

____% will be displastic? % increases with
white plaque

20%. irregularity.
Acanthosis is
thickening of epi.
Petechia are
small areas of vascular dilation (round pinpoint area of hemorrhage).
causes palatal petechia?
1. trauma
2. TTP, ITP (idiopathic thrombocytopenia)
3. URI
4.Ecchymosis
Ecchymosis is a?

Increases with?
rupture of vessels under the skin

age
Telangiectasia is a
hemangioma that forms at birth/ shortly after.
Telangiectasia growth ?
grows faster than child (at first) then goes away during adolescence.
Telangiectasia/ vascular lesion caused by
dilation fo small superficial blood vessels.
if telangiectasia clots?
turns hard and does not blanch
Blanching for charge:
making lots of $$$
Dioscopy
Cyst is
pathologic epi-lined cavity usually filled with liquid or semi-solid contents. (general pathologists do not require epi-lined.
called cysts but not true cysts (just some exs)
simple bone cysts, psuedocyst
Cysts types
developmental and inflammatory
white vs. red cysts
white is bad and red is good (90% or better with red)
If it is a lesion that is rough and vesicular think:
1. papilloma, 2. VV 3. Condyloma acuminatum. Know these three.

others: SCC, Verrucous carcinoma, Giant cell fibroma, Veruciform zanthoma, focal epi hyperplasia.
Verucous carcinoma is
subtype of SCC that is superficial growth. it can grow lateral for 5 yrs then goes vertical (becomes normal SCC)
Red lesion DD is (you can differentiate a lot of these based on location). 5 total
1. erythematous candidiasis (dentures stomatitis and angular cheilitis).
2. trauma. 3. erythema migrans (geographic tongue. 4. burns. 5. erythroplakia
___% of erythroplakias are cncerous?
90%
types of pigmented lesions?
1. Melanocytic (and subtypes
2. Foreign body
3. Vascular
Second monst common Melanocytic lesion?
melanotic macule
Melanotic macule appears? causes?
diffent color with no elevation
smokers melanosis, drugs, addisons disease, neurofibromatosis, Albright's disease
Neurofibromatosis is coast of ?
California
Albright's disease is coast of
maine
Worst type of fibrous dysplasia is ? distinguished by
albrights
percusious puberty
Melanocytic pigmented lesions include
melanotic macule
2. nevus
3. melanotic neuroectidermal tumor of infancy
4. melanoma (only true malignancy)
Nevus types?
junctional, compound, intramucosal, and blue
Tx for blue nevus?
disappears with age. quote was "born with them die without."
Melanoma most common location? others with the same most common location?
palate

amalgam tatoo and macule
location where nevus has never been seen?
dorsal surface of tongue
How to tell if a pigmented lesion is vascular?
if it blanches
DD for Brown/Grey/Black lesions?
1. Racial pigmentation, 2. amalgam tattoo, 3. hairy tongue, 4. melanotic macule, or 5. smokers melanosis
Upper lip DD?
1. irritation fibroma, 2. salivary gland tumor, 3. salivary duct cyst, 4. minor gland sialoliths, 5. Other mesenchymal tumors, 6. Nasolabial cyst (Cleidstat cyst)
Minor glands % benign vs malignant?

Where/what is the exception?
1. 50/50%

2. Upper lip is only 80/20%
Lower lip order of DD?
1. Mucocele, 2. Irritation fibroma, 3. SCC, 4. Mesenchymal tumors, 5. Salivary duct cyst, 6. Salivary gland tumor, 7. Keratoacanthoma
Which lip is more likely to be malignant?
Lower, so upper lip is better off.
Keratoacanthoma is
SCC that is extremely well differentiated.
Keratoacanthoma tx?
After 1 yr, goes away on own (but not often diagnosed so may receive tx like SCC)
DD of redundant tissue of upper lip?
Double lips, asher's syndrome
Asher's syndrome symptoms?
Droopy eye lids, hyperthyroidism, Double upper lip
Double upper lip is due to
negative suction habit
Negative suction habit on the cheak called?
linea alba
Gingival lesions DD?
1. Pyogenic granuloma,
2. Peripheral giant cell granuloma (PGCG)
3. POF
4. Peripheral fibroma
Which of the gingival lesions are unique to the gingiva?
PGCG and POF
An epulis is
a lump on the gingiva
POF is unique and differs from PGCG because
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)
PG recurrence?
5%
When is it a peripheral fibroma?
if it is only fibrous tissue
the game given to the group of gingival lesions?
Inflammatory fibrous hyperplasia
Systemic diseases that have gingival lesions?
Brown tumor of hyperthyroidism and Paget's
PGCG has a calcium level that is
negative (perform this test and a serum phosphatase on any centrally located lesion)
2 syndromes associated with supernumeraries?
Cleidocranial and gardners sundrome.
Hyperdontia is more commonly due to
idiopathic supernumeraries or cleft lip/palate
most common supernumerary/
mesiodense
Twinning is
has multiple definitions. can mean funny looking, large teeth or supernumerary (this is why it is not preferred by the author)
Gemination vs fusion (and tooth count for each
Gem: tooth bud splits: normal tooth count
Fus: two teeth grow together: loss of tooth count by 1
Attrition vs abrasion
Att: tooth to tooth (bruxism)
Abrasion: tooth brush
Erosion types?
Perimolysis: from within the body
Acid erosion: acid source is from outside the body
Abfraction is
stress fracture on tooth. Tooth must crack/chip (microstructure) of dentin and enamel. (can't usually see)
Erosion and abfraction can be fixed by
saliva
If it is DD for unilocular RL, think
1. OKC
2. Dentigerous Cyst
Ameloblastoma
Why is the term hyperplastic dental follicle not used?
insurrance wont pay
Dentigerous cyst same lesion as (other close lesions, 2)
1. Eruption cyst,
2. Orthokeratinizing odontogenic cyst
If the RL lesion is in the anterior maxilla, think ____ for DD
Dentigerous Cyst,
OKC
AOT (instead of ameloblastoma, which is rarely in the anterior)
Lesions that early on are RO?
COC, CEOT, AFO
Intraosseou MEC
Which lesion has the thirds rule?
AOT (but not sure what this rule is, I forget)
Median rhomboid glossitis is caused by?

Lesion color?
Candidiasis

Red