Characterization of Soft Tissue Lesions

Question 1

Define Excisional Biopsy

Answer 1

Remove entire lesion to view under microscope.

Question 2

Define Incisional Biopsy

Answer 2

Remove part of lesion to view under microscope.

Question 3

Define Differential Diagnosis

Answer 3

Short list of possible lesion diagnoses using available information and specifying which one is most likely.

Question 4

Elevated fluid filled lesion

Answer 4

Blisterform

Question 5

Elevated fluid filled lesion <5mm diameter

Answer 5

Vesicle

Question 6

Elevated fluid filled lesion ≥5mm diameter

Answer 6

Bulla

Question 7

Elevated fluid filled lesion with pus

Answer 7

Pustule

Question 8

Elevated lesion with no fluid

Answer 8

Non-blisterform

Question 9

Elevated non-fluid filled lesion <5mm diameter

Answer 9

Papule

Question 10

Elevated non-fluid filled lesion ≥5mm diameter

Answer 10

Nodule

Question 11

Slightly elevated non-fluid filled lesion with stuck or pasted on appearance

Answer 11

Plaque

Question 12

Partial loss of epithelium

Answer 12

Erosion; can become an ulcer

Question 13

Complete loss of epithelium

Answer 13

Ulcer

Question 14

Properties of ulcers

Answer 14

Lamina propria undergoes necrosis & bacterial invasion
Inflammation
Yellow, white or grey
Variable size, number, border and depth

Question 15

Epithelial lined pocket

Answer 15

Pit/fissure

Question 16

Lesion at same level as surrounding mucosa

Answer 16

Flat lesion/macule

Question 17

Intravascular distention of blood vessel lumen

Answer 17

Dilatation

Question 18

Intravascular increase in number of blood vessels

Answer 18

Proliferation

Question 19

Intravascular blanching of cells on slide

Answer 19

Diascopy test

Question 20

Pinpoint extravascular lesions

Answer 20

Petechia

Question 21

Diffuse extravascular bleed (bruise)

Answer 21

Ecchymosis (flat)

Question 22

Localized discrete collection of blood

Answer 22

Hematoma (superficial or deep)

Question 23

Ring-like appearance

Answer 23

Annular

Question 24

Straight appearance

Answer 24

Linear

Question 25

Firm on palpitation

Answer 25

Indurated

Question 26

Lesion taller than wide

Answer 26

Pedunculated

Question 27

Lesion wider than tall

Answer 27

Sessile

Question 28

Roughened lesion with or without finger-like projections

Answer 28

Papillated

Question 29

What is a symptom?

Answer 29

A feature subjectively noticed by the patient.

Question 30

What is a sign?

Answer 30

A feature objectively noticed by the dentist.