Derm Terms

Question 0

Patch

Answer 0

large macule (>1cm) or a coalescence of macules (vitiligo)

-Macule= freckle

Question 1

Macule

Answer 1

Freckle

-flat, circumscribed region with different color or texture

Question 2

Papule

Answer 2

palpable (able to touch), circumscribed change in consistency or contour of the skin

ex: acne

Question 3

Nodule

Answer 3

papule > 1 cm in diameter

Question 4

Tumor

Answer 4

large nodule (large papule)

Papule<Tumor

Ex: lymphoma

Question 5

Plaque

Answer 5

a coalescence of papules

ex: psoriasis

Question 6

Cyst

Answer 6

encapsulated nodule (large papule) filled with soft material

ex: epidermal cyst

Question 7

Vesicle

Answer 7

circumscribed, clear, fluid-filled lesion
–> BLISTER

Ex: herpes simplex

Question 8

Bulla

Answer 8

large vesicle (blister)

Ex: bullous pemphigoid

Question 9

Pustule

Answer 9

A vesicle (blister) filled with inflammatory cells

Ex: acne vulgaris
–> Neutrophils= pus

Question 10

Wheal

Answer 10

a palpable, circumscribed, area of edema with central pallor and peripheral erythema (red) that usually disappear quickly (1. edema 2. erythemia)

Ex: hives

Question 11

Purpura

Answer 11

discoloration of the skin due to the presence of blood in the tissue, outside of blood vessels; will not blanch with pressure unlike wheals

ex: vasculitis

Question 12

Petechiae

Answer 12

a punctate(studded with tiny dots) region of purpura (tiny dots)

Question 13

Comedo

Answer 13

a plug within a hair follilcle canal which is composed of keratin and sebum = blackhead

ex: acne vulgaris

Question 14

Milium

Answer 14

A white papule composed of whorls of keratinized epidermal cells beneath the skin surface

(probs skip this one… it’s just white dots)

Question 15

Burrow

Answer 15

horizontal tunnel in the stratum corneum produced by a parasite

Ex: scabies

Question 16

Scaly

Answer 16

exfoliation of surface keratin cells

ex: psoriasis

Question 17

Hyperkeratotic

Answer 17

having very thick scale

ex: icthyosis

Question 18

Crusted

Answer 18

displaying dried exudate of fluid and/or cellular components on the skin

Question 19

serous

Answer 19

composed of serum or tissue fluid

ex: contact dermatitis

Question 20

Purulent

Answer 20

containing pus

ex: infection

Question 21

hemorrhagic

Answer 21

containing red cells; a scab

Ex: healing herpes zoster

Question 22

Eroded

Answer 22

showing a superficial defect in the skin surface which does not penetrate through the epidermis

-scratching

Question 23

Ulcerated

Answer 23

showing a skin defect which penetrates through the epidermis

ex: diabetic foot ulcer

Question 24

Excoriated

Answer 24

eroded or ulcerated, often in a linear fashion, due to scratching ex: dermatits factitia

Question 25

Fissured

Answer 25

split horizontally ex: chronic dermatitis

Question 26

Erythematous

Answer 26

reddened; due to vasodilation with increased blood flow -Blanches with pressure Ex: viral exanthem (widespread rash with symptoms)

Question 27

Edematous

Answer 27

Swollen; due to extravasation of seruma and lymph into tissue -leaky blood vessels ex: urticaria

Question 28

Pigmented

Answer 28

Showing changes in color due to melanin pigment Melanocytes-->melanin-->pigment

Question 29

Hyperpigmented

Answer 29

dark; due to increased amount of melanin ex: nevus (mole)

Question 30

Hypopigmented

Answer 30

light; due to decreased amount of melanin ex: vitiligo

Question 31

Lichenified

Answer 31

Showing thickening with accentuation of the normal skin markings - usually a sign of chronicity associated with scratching or rubbing - Thickened Skin; Hyperkeratotic Ex: atopic dermatitis

Question 32

Verrucous

Answer 32

Velvety or roughened wart-like change =wart Ex: verruca vulgaris

Question 33

Telangiectatic

Answer 33

showing dilated small arterioles or capillaries coursing parallel to the skin surface - you can see the blood vessels ex: spider telangiectasia

Question 34

Atrophic

Answer 34

emaciated or thinned Ex: striae

Question 35

Scarred

Answer 35

showing fibrous connective tissue replacement; a result of dermal injury ex: keloid

Question 36

Acanthosis

Answer 36

epidermal hyperplasia

Question 37

Acantholysis

Answer 37

separation of keratinocytes due to loss of intercellular attachments (desmosomes)

Question 38

Cytoid (civatte or colloid) bodies

Answer 38

apoptotic keratinocytes

Question 39

Dyskeratosis

Answer 39

abnormal keratinization of keratinocytes

Question 40

Exocytosis

Answer 40

penetration of the epidermis by inflammatory cells

Question 41

Erosion

Answer 41

focal loss of the epidermis

Question 42

Hyperkeratosis

Answer 42

thickening of stratum corneum

Question 43

Lentiginous

Answer 43

linear, non-nested proliferation of melanocytes along the basal layer

Question 44

Parakeratosis

Answer 44

retention of nuclei within the keratinocytes of the stratum corneum

Question 45

Papillomatosis

Answer 45

rounded epidermal hyperplasia in association with elongation or widening of the dermal papillae

Question 46

Spongiosis

Answer 46

intercellular edema of the epidermis

Question 47

Vacuolization

Answer 47

formation of vacuoles within cells usually due to intracellular edema

Question 48

Ulcer

Answer 48

focal loss of epidermis and dermis/subcutis