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44 terms

Language of Medicine Chapter 16- Pathology

Chabner's Language of Medicine, 9th edition. Pathology for Chapter 16- Skin/Integumentary system
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basal cell carcinoma
malignant tumor of the basal cell layer of the epidermis
squamous cell carcinoma
malignant tumor of the squamous epithelial cells in the epidermis
malignant melanoma
Cancerous growth composed of melanocytes; due to intense exposure to sunlight
callus
increased growth of cells in the keratin layer of the epidermis caused by pressure or friction
keloid
hypertrophied, thickened scar developing after trauma or surgical incision
keratosis
thickened and rough lesion of the epidermis; associated with aging or skin damage
alopecia
absence of hair from areas where it normally grows
ecchymosis, ecchymoses
Bluish-purplish mark (bruise) on the skin.
petechia, petechiae
small, pinpoint hemorrhage
pruritus
itching
urticaria (hives)
acute allergic reaction in which red, round wheals develop on the skin
acne
chronic papular and pustular eruption of the skin with increased production of sebum
burn
Injury to tissues caused by heat contact.
cellulitis
diffuse, acute infection of the skin marked by local heat, redness, pain, and swelling
eczema
inflammatory skin disease with erythematous, papulovesicular lesions
gangrene
death of tissue associated with decreased blood supply
impetigo
Bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted-over lesions.
psoriasis
chronic, recurrent dermatosis marked by itchy, scaly, red plaques covered by silvery gray scales
scabies
contagious, parasitic infection of the skin with intense pruritus
vitiligo
loss of pigment (depigmentation) in areas of the skin (milk-white patches)
lesion
An area of abnormal tissue anywhere on or in the body; may be caused by disease or trauma.
crust
Collection of dried serum & cellular debris;scab; a common skin lesion
cyst
thick-walled, closed sac or pouch containing fluid or semisolid material; a common skin lesion
erosion
wearing away or loss of the epidermis; a common skin lesion
fissure
Groove or crack-like sore; a common skin lesion
macule
flat lesion measuring less than 1 cm in diameter; a common skin lesion
nodule
solid, round or oval elevated lesion more than 1 cm in diameter; a common skin lesion
papule
Small (less than 1 cm in diameter), solid elevation of the skin (pimples); a common skin lesion
polyp
growth extending from the surface of mucous membrane; a common skin lesion
pustule
papule containing pus; a common skin lesion
ulcer
open sore on skin or mucous membranes (deeper than an erosion); a common skin lesion
vesicle
small collection (papule) of clear fluid (serum); blister; a common skin lesion
wheal
smooth, edematous (swollen) papule or plaque that is redder or paler than the surrounding skin; a common skin lesion
first-degree burns
superficial epidermal lesions, erythema, hyperesthesia, and no blisters
second-degree burns (partial-thickness burn injury)
epidermal and dermal lesions, erythema, blisters, and hyperesthesia
third-degree burns (full-thickness burn injury)
Epidermal and dermis are destroyed (necrosis of skin), and subcutaneous layer is damaged, leaving charred, white tissue.
exanthematous viral diseases
Rash (exanthem) of the skin due to a viral infection; ex) rubella (German measles), rubeola (measles), and varicella (chickenpox)
scleroderma
chronic progressive disease of the skin and internal organs with hardening and shrinking of connective tissue
systemic lupus erythematosus (SLE)
chronic autoimmune inflammatory disease of collagen in skin, joints, and internal organs
tinea
infection of the skin caused by a fungus
leukoplakia
white, thickened patches on mucous membrane tissue of the tongue or cheek
nevus, nevi
pigmented lesion of the skin
verruca
epidermal growth (wart) caused by a virus
Kaposi sarcoma
malignant, vascular, neoplastic growth characterized by cutaneous nodules