Chapter 4 D (Pathology) Flashcards
Abscess
Localized collection of puss and other exudate, usually accompanied by swelling and redness
Acne
Inflammatory eruption of the skin, occurring in or near sebaceous glands on the face, neck, shoulder, or upper back
Actinic Keratosis
Overgrowth of horny skin that forms from overexposure to sunlight (sunburn)
Albinism
Rare, congenital condition causing either partial or total lack of pigmentation
alopecia areata
loss of hair in patches
basal cell carcinoma
slow-growing cancer of the basal cells of the epidermis, usually a result of sun damage
comedo
open hair follicle filled with bacteria and sebum, common in acne, black head
bulla
bubble-like blister on the surface of the skin
callus
Mass of hard skin that forms as a cover over broken skin on certain areas of the body, especially feet and hands
candidiasis condition
yeastlike fungus on the skin, caused by Candida, characterized by pruritus, white exudate, peeling, and easy bleeding, examples are thrush and diaper rash
Carbuncle
Infected area of the skin producing pus and usually accompanied by fever
Cellulitis
Severe inflammation of the dermis and subcutaneous portions of the skin, usually caused by an infection that enters the skin through an opening, as a wound; characterized by local heat, redness, pain, and swelling
Cherry angioma
A dome-shaped vascular angioma lesion that usually occurs in the elderly
chloasma
Group of fairly large pigmented facial patches, often associated with pregnancy
cicatrix
growth of fibrous tissue inside a wound that forms a scar, also general term for scar
cold sore
Eruption around the mouth or lips; herpes simplex virus Type 1
cyst
abnormal sac containing fluid
decubitus ulcer
chronic ulcer on skin over bony parts that are under constant pressure; pressure sore
dermatitis
inflammation of the skin
discoid lupus erythematosus
mild form of lupus
ecchymosis
purplish skin patch (bruise) caused by broken blood vessels beneath the surface
eczema
severe inflammatory condition of the skin, usually of unknown cause
erosion
wearing away of the surface of the skin, especially when caused by friction
exanthematous viral disease
viral disease that causes a rash on the skin
excoration
Injury to the surface of the skin caused by a scratch, abrasion, or burn, usually accompanied by some oozing
fever blister
eruption around the mouth or lips; herpes simplex virus type 1
first degree burn
least severe burn, causes injury to the surface of the skin without blistering
fissure
deep slit in the skin
furuncle
localized skin infection, usually in a hair follicle and containing pus; boil
gangrene
death of an area of skin, usually caused by loss of blood supply to the area
herpes
an inflammatory skin disease caused by viruses of the family herpesviridae
Herpes simplex virus type 1
Herpes that recurs on the lips and around the area of the mouth, usually during viral illnesses or states of stress
Herpes simplex virus type 2
Herpes that recurs on the genitalia; can be easily transmitted from one person to another through sexual contact
herpes zoster
Painful herpes that affects nerve roots; shingles
impetigo
a type of pyoderma (any inflammation of the skin that produces pus)
Kaposi’s sarcoma
Skin cancer associated with AIDS
Keloid
Thick scarring of the skin that forms after an injury of surgery
Keratosis
Lesion on the epidermis containing keratin
Lesion
Wound, damage, or injury to the skin
Leukoderma
Absence of pigment in the skin or in an area of the skin
Leukoplakia
White patch of mucous membrane on the tongue or cheek
Macule
Small, flat noticeably colored spot on the skin
Malignant Melanoma
Virulent skin cancer originating in the melanocytes, usually caused by overexposure to the sun
Neoplasm
Abnormal tissue growth
Nevus
Birthmark
Nodule
Small knob of tissue
Onychia, onychitis
Inflammation of the nail
Onychopathy
Disease of the nail
Papule
Small, solid elevation of the skin
Paronychia
Inflammation, with pus, of the fold surrounding the plate
Patch
Small area of skin differing in color from the surrounding area; (plaque)
Pediculated polyp
Polyp that projects upward from a slender stalk
Pediculosis
Lice infestation
Pemphigus blister
Autoimmune disease that causes skin blistering
Petechia
A tiny hemorrhage beneath the surface of the skin
Pilonidal
Cyst containing hair, usually found at the lower end of the spinal column
Polyp
Bulging mass of tissue that projects outward from the skin surface
Pruritus
Itching
Psoriasis
chronic skin condition accompanied by scaly lesions with extreme pruritus
Purpura
Skin condition with extensive hemorrhages underneath the skin covering a wide area
Pustule
Small elevation on the skin that produces pus
Pyoderma
Any inflammation of the skin that produces pus
Ringworm
Fungal infection; tinea
Rosacea
Vascular disease that causes blotchy, red patches on the skin, particularly on the nose and cheeks
Roseola
Skin eruption of small, rosy patches, usually caused by a virus
Rubella
Disease that causes a viral skin rash; German measles
Rubeola
Disease that causes a viral skin rash; measles
Scabies
Skin eruption caused by a mite burrowing into the skin
Scale
Small plate of hard skin that falls off
Scleroderma
Thickening of the skin caused by an increase in collagen formation
Sebaceous cyst
Cyst containing yellow sebum
Seborrhea
Overproduction of sebum by the sebaceous glands
Second-degree burn
Moderately severe burn that affects the epidermis and dermis; usually involving blistering
Sessile poly
Polyp that projects upward from a broad base
Shingles
Viral disease affecting peripheral nerves and caused by herpes zoster
Squamous cell Carcinoma
Cancer of the squamous epithelium
Systemic Lupus Erythematosus (SLE)
Most severe form of lupus, involving internal organs
Telangiectasia
A permanent dilation of the small blood vessels
Third-degree burn
Most severe type of burn; involves complete destruction of an area of skin
Tinea
Fungal infection; ringworm
Urticaria
Group of reddish wheals, usually accompanied by pruritus and often caused by an allergy
Varicella
Contagious skin disease, usually occurring during childhood, and often accompanied by the formation of psutules; (chicken pox)
Vascular lesion
Lesion in a blood vessel that shows through the skin
Verruca
Flesh-colored growth, sometimes caused by a virus; wart
Vesicle
Small, raised sac on the skin containing fluid
Vitiligo
Condition in which white patches appear on otherwise normally pigmented skin
Wheal
Itchy patch of raised skin
Whitehead
Closed comedo that does not contain the dark bacteria present in blackheads