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Oral Pathology 1/2/16 > Lec 1: Course Intro & Descriptions > Flashcards

Lec 1: Course Intro & Descriptions Flashcards

1
Q

Oral Pathology definition

A

Specialty of dentistry and pathology which deals with the nature, identification, and management of diseases affecting the oral and maxillofacial regions

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2
Q

What does an OMP do?

A

Studies the causes of diseases, mechanisms which produce them, sites where they occur and the resulting morphologic and functional alterations.

Diagnose disease using clinical, radiographic, microscopic, biochemical or other examinations

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3
Q

An oral pathologist diagnoses disease using clinical, ____, ______, biochemical or other examinations

A

radiographic, microscopic

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4
Q

What kinds of diseases do OMPs diagnose and manage?

A

oral soft tissue, bony
salivary glands
oral manifestations of systemic diseases
head and neck pain

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5
Q

The purpose of clinical differential diagnosis determines

A

the appropriate next step in patient management.

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6
Q

Decision tree

A

encourages the clinician to make a series of step-by-step decisions and consider a number of different lesions when formulating a clinical differential diagnosis

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7
Q

The Hail Mary Pass

A

Making your one best diagnostic guess by simply looking at the lesion

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8
Q

Surface lesions of oral mucosa do not exceed

A

2-3 mm in thickness

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9
Q

3 categories of surface lesions:

A

White
Pigmented (brown, blue, red, gray, black)
Red

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10
Q

Lumps and Bumps

2 categories:

A

Reactive enlargements

Tumor

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11
Q

tumor aka

A

neoplasm

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12
Q

tumors/neoplasm show

A

persistent and progressive growth

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13
Q

In decision tree, “tumor” is based on ______, not _____features

A

clinical behavior; microscopic

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14
Q

Reactive Soft Tissue Enlargements

A
  • Usually regress, sometimes painful
  • Relatively rapid growth rate (hours to weeks)
  • Sometimes fluctuate in size
  • Sometimes associated with tender lymphadenopathy & systemic manifestations (but not always)
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15
Q

Once it’s determined an enlargement is reactive, then determine

A

what the lesion is reacting to, eg. pulpal necrosis, periodontitis, injury or trauma

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16
Q

Tumor features

A
  • Persistent and progressive
  • Usually asymptomatic, at least early in development
  • Growth rate varies from weeks to years
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17
Q

If a soft tissue enlargement is a tumor, next determine if it is?

A

benign or malignant

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18
Q

Benign tumor features

A

Usually slowly growing (months-years)
Overlying mucosa is normal
Sometimes freely-movable (not attached to surrounding structures)
Asymptomatic

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19
Q

Benign tumors 4 categories

A

Epithelial
Mesenchymal
Salivary gland
Soft tissue cysts

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20
Q

Malignant tumor features

A

Rapidly growing (weeks-months)
Overlying mucosa is sometimes ulcerated
Fixed to surrounding structures
More often symptomatic

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21
Q

Complete and accurate description required for:

A

Medicolegal documentation
Determination of clinical diagnosis
Development of differential diagnosis

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22
Q

Elementary lesion are:

A

morphologic alterations

Generic terms used to describe diseases

Several diseases can affect the oral cavity

Various diseases are clinically similar

Identification of elementary lesions is a necessary step toward the diagnosis of diseases

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23
Q

Macule

A

Flat change in color <1cm

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24
Q

Patch

A

Flat change in color > 1 cm

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25
Q

Plaque

A

Solid, slightly raised, flat or bumpy

26
Q

Pseudomembrane

A

Removable plaque

27
Q

Papule

A

Solid raised lesion < 1 cm

28
Q

Nodule

A

Solid raised lesion > 1 cm

29
Q

Tumor

A

Solid raised lesion > 5 cm

30
Q

Does tumor equal cancer?

A

NO

31
Q

Vesicle

A

Raised, fluid-filled, lesion < 1 cm

32
Q

Bulla

A

Raised, fluid-filled, lesion > 1 cm

33
Q

Pustule

A

Raised, contains purulent (pus) material

34
Q

Erosion

A

Lesion with partial loss of epithelium

35
Q

Ulcer

A

Lesion with complete loss of epithelium

36
Q

An elementary lesion can have the appearance of being (3)

A

Flat
Elevated
Depressed

37
Q

Flat can be a

A

macule or patch

38
Q

Elevated can be

A

fluid-filled

solid

39
Q

Depressed

A

Erosion

Ulcer

40
Q

A=

A

A = Anatomic location

41
Q

B=

A

B = Border

42
Q

C=

A

C = Color, Consistency, Configuration

43
Q

D=

A

D = Diameter, Distribution

44
Q

E=

A

E = Elementary lesion

45
Q

Anatomic lesions around lips

A

Upper, lower, commissure, vermillion, labial mucosa

46
Q

Anatomic lesions around papilla

A

Near tooth #, mucobuccal fold, parotid papilla

47
Q

Anatomic lesions around gums

A

Free, attached, near tooth #, maxillary, mandibular

48
Q

Anatomic lesions around tongue

A

Ant 1/3, mid 1/3, post 1/3, dorsal, ventral, lat borders

49
Q

Anatomic lesions under tongue

A

Lingual frenum, sublingual folds, near tooth #

50
Q

Anatomic lesions at roof of mouth

A

Hard, soft, midline, incisive papilla

51
Q

Anatomic lesions back of throat

A

Pillars, midline, uvula

52
Q

Border limits

A

Well-defined or poorly defined

53
Q

Border contours

A

regular or irregular

54
Q

Consistency examples

A

soft, firm, hard

55
Q

Configuration surface

A 
smooth, 
papillary, 
granular (small grains or particles), 
ulcerated,
verrucous (trumpy), 
warty (numerous surface projections)
56
Q

Only this type of lesion has a base?

A

elevated

57
Q

Types of bases

A

pedunculated, sessile, not applicable

58
Q

pedunculated

A

stalk base (base is smaller than mass)

59
Q

sessile

A

broad base (base is equal to or larger than mass)

60
Q

Diameter is measured in

A

centimeters

Oral Pathology 1/2/16 (11 decks)

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