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oral pathology lesson I


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this disease is a genetic trait. Individuals have a gene that causes the gingiva to enlarge with dense irregular fibrous connective tissue. This is an autozomal disease; doesn't affect the sex chromosomes. Equally expressed in males and females
fibromatosis gingivae
developmental condition that is commonly seen in patients with removeable appliances( dentures, partials). Can occasionally be seen in pts with a high depth in their arch. It has a cobblestone or cauliflower appearance.
inflammatory papillary hyperplasia
what is a lesion
any abnormality including an anomoly. you want to know what type it is and how it got there.
coral pink or pink best decribes what
natural color
what is erythmatous?
A white patch that does not rub off can indicate what?
That there has been irritation, the keratin layer thickens. The oral cavity stays wet which causes the area to stay white.
A white patch that can be rubbed off indicates what?
That there is yeast in the mouth.
The color blue-black or reddish purple implies what?
That there is amalgm, a vascular lesion or melanin
describe a nodule?
a small firm palpable lesion above or below the surrounding surface level. They can be found anywhere in the oral cavity.
name two types of nodules
pedunculated- a narrow base which grows on a stalk.
sessile- a wide base without a stalk
what is hypertrophy?
an increase of tissue size due to an increase in cell size
what is hyperplasia?
an increase of tissue size due to an increase in cell numbers
what is a papule?
a small elevated growth usually less than 5mm in diameter
what is a macule?
a small non-elevated lesion usually of a different color
what is a vesicle?
a fluid filled (blister) les than 5mm in diameter
what is a bulla?
a fluid filled blister greater than 5mm in diameter
what is a pustule?
a vesicle or bulla filled with pus
what is corrugated?
wavy elevations and depressions, also wrinkled. Usually seen in individuals that use smokeless tobacco.
what is fissured?
Deep grooves with no cracks or ulcerations
what is papillary?
a rough surface with small multiple projections (cauliflower-like)
what is unilocular?
Only one radiolucent compartment
what is multilocular?
several radiolucent compartments with the same or varied sizes
what is honey-combed?
Several radiolucent compartments of the same size.
What is well-circumsribed?
a well-defined border with clearly defined margins
what is diffuse?
Poorly identifiable margins that blend into normal tissue
what is sclerotic?
Appears more radiopaque than normal
what is a tumor?
what is a neoplasm?
new growth
What is harmartoma?
An increase in tissue that is native to a given area
what is choristoma?
Tissue that is not native to a given area. (ex. tumor of cartilage)
what does the suffix -oma mean?
Tumor or neoplasm. When -oma is attached to a tissue name (ex. fibroma), indicates a benign neoplasm of that tissue.
Give some examples using -oma?
adenoma: glandular tumor
myoma: muscle tumor
rhabdomyoma: benign tumor of striated muscle
lieoyoma: benign tumor of smooth muscle
what is meant by differential diagnosis?
(DX) Your best three to four educated guess as to what you think is wrong
name some exceptions of the -oma rule
melanoma: benign or malignant
hepatoma: malignant tumor of the liver
what are carcinomas?
Tumor of ecto or endo origin.
meso: sarcomas
adenocarcinoma: malignant glandular tissue
fibrosarcoma: malignant tumor of connective tissue
lipsarcoma: malignant tumor of fat

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