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MT, Anatomy & Physiology > Skin Pathology > Flashcards

Skin Pathology Flashcards

1
Q

Crust

A

Collection of dried serum and cellular debris
* a scan is a crust.

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2
Q

Cyst

A

thick-walled, closed sac or pouch containing fluid or semisolid material.

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3
Q

Erosion

A

wearing away or loss of epidermis
* do not penetrate below the dermoepidermal junction and heal without scaring

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4
Q

Fissue

A

groove or crack like sore

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5
Q

Macule

A

Flat pigmented lesion measuring less than 1 cmin diameter
*freckle, flat mole

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6
Q

Nodule

A

Soild round oval elevated lesion 1cm or more in diameter

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7
Q

Papule

A

Small (less than 1 cm) solid elevation (bump) on the skin ** skin tags pimple

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8
Q

Pustule

A

Papule containing pus

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9
Q

Ulcer

A

open sore on skin or mucous membrane (deeper erosion)
**bed sore

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10
Q

Vesicle

A

small collection of clear fluid ; blisters

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11
Q

Wheal

A

Smooth, Edematous (swollen) papule or plaque that is centrally redder than surrounding skin

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12
Q

Ecchymosis

A

Blusish/purple mark (bruise) on skin
*Ec=out chym/o=pour are caused by hemorrhages into skin caused by trauma

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13
Q

Petechia

A

Small pin point hemorrhage
** smaller version of ecchymoses each forms of purpura (bleeding into skin)

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14
Q

Pruritus

A

itching

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15
Q

Acne

A

Chronic papular and pustular eruption of the skin with increased production of sebum

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16
Q

Comedo, Comedone(s)

A

Blackhead

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17
Q

Bullous Pemphigoid

A

Rare Autoimmune skin condition causing large fluid filled blisters ** occures when autoantibodies attack proteins that hold together the basal layer

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18
Q

First -degree burn

A

superficial epidermal lesions, erythema, hyperesthesia and no blisters

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19
Q

Second- degree burn

A

Epidermal and derma lesions, erythema, hyperesthesia and blisters, wound is very painful and very sensitive to touch and air currents

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20
Q

Third- degree burn

A

Epidermal and derma are destroyed (narcosis of skin) and subcutaneous layer is damaged leaving charred white tissue. wound its self is insensate (does not respond to pin prick)

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21
Q

Cellulitis

A

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

22
Q

Eczema (atopis dermatitis)

A

Inflammatory skin disease with erythematous, papulovesicular or papulosquamous lesions

23
Q

exanthematous viral disease

A

Rash (exanthem) of the skin due to a viral infection
**ex. Rubella (german measles), Measles (rubeola), varicella(chickenpox), hand foot mouth

24
Q

scabies

A

contagious parasitic infection of the skin intense pruritus(ithching)

25
Q

Psoriasis

A

Chronic, recurrent dermatosis marked by ithching, scaly red plaques covered by silver gray scales

26
Q

Gangrene

A

death of tissue associated with loss of blood flow * causes frost, bite diabetes

26
Q

Impetigo

A

Bacterial inflammatory skin disease charaterized by vesicles, pustules, and crust-over lesions

27
Q

Systemic lupus erythematous

A

Chronic autoimmune disease of collagen in skin joints and internal organs

28
Q

Scleroderma

A

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

29
Q

Tinea

A

Infection of the skin caused by a fungus
*Tinea corporis (ring worm)
Tinea Barbae (skin under beard)
Tinea pedis (athletes foot)

30
Q

Urticaria (hives)

A

acute allergic reaction in which red round wheals develop on skin

31
Q

Vitiligo

A

loss of pigment (depigmentation) in areas of skin (milk-white patches)8 form of leukoderma

32
Q

Callus

A

increased growth of cekls in the keratin layer of the epidermis caused by pressure or fricktion

33
Q

Keloid

A

Excess hypertrophied, thickend scar developing after trauma or surgical incision

34
Q

Cicatrix

A

Normal scar left by wound

35
Q

Keratosis

A

Thickened and round lesion of the epidermis; associated with aging or skin damage

36
Q

Leukoplakia

A

White thickend patches on mucous membrane tissue of the tongue or cheek (evolves to squamous cell carcinoma)

37
Q

Nevus (pl Nevi)

A

Pigmented lesion of the skin (MOLE)

38
Q

Verruca, Verrucae

A

Epidermal Growth caused by virus (WART)
*vulgaris (normal wart)
PLantar (feet)

39
Q

Squamous cell carcinoma

A

Malignant tumor of squamous epithelial cells in teh epidermis

40
Q

Basal cel carcinoma

A

Malignant tumor of the basal cell layer of the epidermis ***MOST COMON CANCER IN HUMANS AND MOST COMMON SKIN CANCER

41
Q

Malignant melanoma

A

Cancerous growth composed of melancytes

42
Q

The A,B,C,D,Es of Melanoma

A

Asymmetry: one half unlike other
Border: irregular
Color: varies from one area to another; tan,black,ect
Diameter: usually larger then 6mm
Evolution: change in lesion over time

43
Q

Kaposi Sarcoma

A

Malignant vascular neoplastic growth characterized by cutaneous nodules.

44
Q

Bacterial analyses

A

samples of skin are examined for presence of microorganism’s

45
Q

Crysosurgery

A

use of subfreezing temperature achieved with liquid nitrogen application to destroy tissue

45
Q

Fungal tests

A

Scrapping from skin lesions, hair, nail, are sent to lab for culture and microscopic identification of fungal infection

46
Q

Curettage

A

use of a sharp derma curette to srape away skin lesion

47
Q

electrodesiccation

A

Tissue is destroyed by burning with electric spark

48
Q

Mohs Surgery

A

thin layer of malignant tissue are removed, and each slice is examined microscopically

49
Q

Punch biopsy

A

removing of core tissue obtained by rotation of its sharp, circular edge

50
Q

Skin test

A

substance are injected intradermally or applied to skin and observed

MT, Anatomy & Physiology (104 decks)

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