Basic Terminology Flashcards Preview

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Flashcards in Basic Terminology Deck (19):
1

Plaque

In skin, a circumscribed, elevated, superficial and solid area greater than
1.0 cm in diameter

2

Papule

A circumscribed, solid elevation in skin or mucosa

3

Macule

A circumscribed flat area, up to 1.0 cm in diameter, perceptibly different in
color from the surrounding tissue

4

Pustule

A circumscribed, superficial elevation of the skin, up to 1.0 cm in diameter,
containing purulent material

5

Vesicle

A small (less than 1.0 cm in diameter) circumscribed elevation of the skin or
mucosa containing fluid

6

Bulla

A fluid-filled blister greater than 1.0 cm in diameter appearing as a
circumscribed area of separation between the epidermis and the underlying
dermis

7

Biopsy

– Removal of a sample of tissue from the body for examination
– Gold standard of diagnosis

8

Cytology

Microscopic examination of cells for the diagnosis
of disease

9

Cancer

General term frequently used to indicate any of various types of malignant neoplasms, most of
which invade surrounding tissues, may metastasize to several sites, & are likely to recur after attempted removal & to cause death to the patient unless adequately treated

10

Tumor

Swelling

11

Harmatoma

Disorganized overgrowth of normal tissue in its normal location

12

Choristoma

Growth of normal tissue in an abnormal location

13

Neoplasm

Growth of abnormal tissue may be either benign or malignant

14

Adenoma

Usually a benign neoplasm pleomorphic adenoma, oncocytoma

15

Carcinoma

Malignant neoplasm derived from epithelial cells

16

Sarcoma

Malignant neoplasm derived from cells of mesodermal origin =

17

Metastasis

– Spread of
disease from one
part of the body
to another
– Tumor implants
are discontinuous
with the primary
tumor

18

Benign Characteristics

• Bilateral
• Rapid onset (ulceration, soft
tissue swelling)
• Pain
• Growth around native
structures
• Slow expansion (osseous)
• Smooth root resorption

19

Malignant Characteristics

• Unilateral
• Chronic, persistent
(ulceration)
• Absence of pain/presence
of paresthesia
• Invasion/destruction of
native structures
• Cortex destruction
• Spiking root resorption