16 Skin Pathology and cutaneous lesions Flashcards Preview

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Flashcards in 16 Skin Pathology and cutaneous lesions Deck (44):
1

crust

collection of dried serum and cellular debris, (scab) eczema, impetigo, seborrhea

2

cyst

thick-walled, closed sac or pouch containing fluid or semisolid material (pilonidal cyst, sebaceous cyst)

3

erosion

wearing away or loss of epidermis

4

fissure

groove or crack like sore

5

macule

flat lesion measuring less than 1 cm in diameter. freckles, tattoo marks, flat moles

6

nodule

solid, round oval elevated lesion 1 cm or more in diameter. enlarged lymph nodes or solid growth

7

papule

small (less than 1cm in diameter), solid elevation of skin. pimples

8

polyp

growth extending from the surface of mucous membrane

9

pustule

papule containing pus. small abscess on the skin

10

ulcer

open sore on the skin or mucous membrane (deeper than erosion) decubitus ulcer-laying in place to long

11

vesicle

small collection (papule) of clear fluid (serum); blister. form in burns, allergies, dermatitis. bulla- large vesicle

12

wheal

smooth, edematous (swollen) papule or plaque that is redder or paler than the surrounding skin. hives, anaphylaxis, insect bites

13

alopecia

absence of hair from areas where it normally grows

14

ecchymosis, ecchymoses

bluish-purplish mark (bruise) on the skin (ec-=out, chym/o=pour) caused by hemorrhages into the skin

15

petechia, petechiae

small, pinpoint hemorrhage

16

pruritus

itching

17

urticaria (hives)

acute allergic reaction in which red, round wheals develop on the skin

18

acne

chronic papular and pustular eruption of the skin with increased productions of sebum (acne vulgaris)

19

burns

injury caused by heat 1st-superficial no blisters, 2nd-epidermal and dermal, blisters, hyperesthesia. 3rd- epi and derm destroyed, subq layer damaged leaving charred, white tissue

20

cellulitis

diffuse, acute infection of the skin marked by local heat, redness, pain, and swelling

21

eczema

inflammatory skin disease with erythematous, papulovesicular lesions

22

exanthematous viral disease

rash (exantehm) of the skin due to viral infection (rubella, rubeola, varicella)

23

gangrene

death of tissue associate with loss of blood supply

24

impetigo

bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted over lesions. contagious pyoderma

25

psoriasis

chronic, recurrent dermatosis marked by itch, scaly, red plaques covered by silvery gray scales. ai disease

26

scabies

contagious, parasitic infection of the skin with intense pruritus

27

scleroderma

chronic progressive disease of the skin and internal organs with hardening and shrinking of connective tissue, ai disease

28

systemic lupus erythematosus (SLE)

chronic autoimmune inflammatory disease of collagen in skin, joints, and internal organs

29

tinea

infection of the skin caused by fungus, corporis- wing worm

30

vitiligo

loss of pigment in areas of the skin, form of leukoderma, autoimmune

31

callus

increased growth of cell in the keratin layer of the epidermis caused by pressure or friction, corn is a tpe of callus

32

keloid

hypertrophied, thickened scar developing after trauma or surgical incision

33

keratosis

thickened and rough lesion of the epidermis; associated with aging or skin damage

34

leukoplakia

white, thickened patches in mucous membrane tissue of the tongue or cheek

35

nevus, nevi

pigmented lesions of the skin, moles

36

verruca

epidermal growth (wart) caused by virus. verruca vulgaris is common wart, plantar wart on feet

37

basal cell carcinoma

malignant tumor of the basal cell layer of the epidermis

38

squamous cell carcinoma

malignant tumor of squamous epithelial cells in the epidermis

39

malignant melanoma

cancerous growth composed of melanocytes

40

ABCDE of melanoma

asymmetry, border, color, diameter, evolution

41

kaposi sarcoma

malignant, vascular, neoplastic growth characterized by cutaneous nodules, associated with AIDS

42

Bx

biopsy

43

SC

subcutaneous

44

SLE

systemic lupus erythematosus

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