Sec 2 Approach to Dermatologic Diagnosis

Question 1

Solid elevated lesion less than 0.5cm in which a significant portion projects above the plane pf surrounding skin.

Answer 1

Papule

Question 2

Solid plateau-like elevation that occupies a relatively large surface area in comparison with its height above normal skin level and has a diameter larger than 0.5cm

Answer 2

Plaque

Question 3

A solid, round or ellipsoidal palpable lesion that has a diameter larger than 0.5cm

Answer 3

Nodule

Question 4

General term for any mass, benign or malignant

Answer 4

Tumor

Question 5

An encapsulated cavity or sac lined with a true epithelium that contains fluid or semi-solid material

Answer 5

Cyst

Question 6

A swelling of the skin that is characteristically evanescent, disappearing within hours, which may be tiny papules or giant plaques and may take the form of various shapes

Answer 6

Wheal

Question 7

Deeper edematous reaction that occurs in areas with very loose dermis and subcutaneous tissue such as lip, eyelid or scrotum

Answer 7

Angioedema

Question 8

Arises from proliferation of fibrous tissue that replaces previously normal collagen after a wound or ulceration breaches the reticular dermis

Answer 8

Scar

Question 9

A hair follicle infundibulum that is dilated and plugged by keratin and lipids

Answer 9

Comedo

Question 10

A hyperkeratotic conical mass of cornified cells arising over abnormally differentiated epidermis

Answer 10

Horn

Question 11

Deposits of calcium in the dermis or subcutaneous tissue

Answer 11

Calcinosis

Question 12

Moist circumscribed depressed lesion that results from loss of a portion or all viable epidermal or mucosal epithelium; do not scar

Answer 12

Erosion

Question 13

Defect in which the epidermis and at least the upper papillary dermis have been destroyer; heals with scarring

Answer 13

Ulcer

Question 14

Refers to a dimunition in size of cell, tissue, organ or part of the body

Answer 14

Atrophy

Question 15

Refers to the combination of atrophy, telangiectasia and varied pigmentary changes

Answer 15

Poikiloderma

Question 16

A tract connecting deep suppurative cavities to each other or to the surface of skin

Answer 16

Sinus

Question 17

Linear depressions of the skin that result from changes to the reticular collagen that occur with rapid stretching of the skin

Answer 17

Striae

Question 18

A wavy threadlike tunnel through the outer portion of the epidermis

Answer 18

Burrow

Question 19

Refers to a circumscribed or diffuse hardening or induration of the skin that results from dermal fibrosis

Answer 19

Sclerosis

Question 20

Flat even with surface level of surrounding skin and perceptible only as an area of color different from surrounding skin or mucous membrane

Answer 20

Macule

Question 21

Similar to macule but larger than 0.5cm

Answer 21

Patch

Question 22

Represents the blanchable pink to red color of skin or mucous membrane that is due to dilatatiin of arteries and veins

Answer 22

Erythema

Question 23

Generalized deep redness if the skin involving more than 90% of the body surface within days to weeks

Answer 23

Erythroderma

Question 24

A flat plate or flake arising from the outermost layer of stratum corneum

Answer 24

Scale

Question 25

Excessive cornification, thickening of normal keratin

Answer 25

Hyperkeratosis

Question 26

Hardened deposits that result when serum, blood or purulent exudate dries on the surface of the skin

Answer 26

Crust

Question 27

Surface excavations of epidermjs from scratching

Answer 27

Excoriations

Question 28

Linear loss of continuity or skin’s surface or mucosa from excessive tension or decreased elasticity

Answer 28

Fissure

Question 29

An area of thickened skin with accentuated skin markings induced by repeated rubbing

Answer 29

Lichenification

Question 30

An excessive accumulation of scale that results in yellowish thickening of the skin

Answer 30

Keratoderma

Question 31

Implies tissue necrosis, infarction, deep burns, gangrene or other ulcerating process

Answer 31

Eschar

Question 32

Fluid-filled cavity or elevation smaller than or equal to 0.5cm

Answer 32

Vesicle

Question 33

Fluid-filled cavity or elevation larger than 0.5cm

Answer 33

Bulla

Question 34

Circumscribed raised cavity in the epidermis or infundibulum containing pus

Answer 34

Pustule

Question 35

Deep necrotizing folliculitis with suppuration

Answer 35

Furuncle

Question 36

Localized accumulation of purulent material deep in the dermis or subcutaneous tissue

Answer 36

Abscess

Question 37

Extravasation of red blood from cutaneous vessels into skin or mucous membranes resulting into reddish-purple lesions

Answer 37

Purpura

Question 38

Persistent dilatations of small capillaries in the superficial dermis that are visible as fine bright nonpulsatile red linea or net-like patterns on skin

Answer 38

Telangiectasia

Question 39

Area of cutaneous necrosis resulting from a bland or inflammatory occlusion of blood vessels in skin

Answer 39

Infarct

Question 40

Faulty and accelerated cornification leads to a retention of pyknotic nuclei of epidermal cells

Answer 40

Parakeratosis

Question 41

Premature or abnormal keratinization of individual keratinocytes

Answer 41

Dyskeratosis

Question 42

Loss of cohesion between epidermal cells due to influx of tissue fluid into epidermis

Answer 42

Spongiosis

Question 43

Primary loss of cohesion of epidermal cells characterized by widening and separation of the interdesmosomal regions of the cell membranes of keratinocytes followed by splitting and disappearance of desmosomes

Answer 43

Acantholysis