Pathology

dermatology

study of skin

anhidrosis

abnormal condition of being without sweat

depigmentation

without normal skin color or pigment

diaphoresis

profuse sweating

ecchymosis

abnormal condition of ski discoloration caused by blood collecting under the skin

erythema

redness of flushing skin

hirutism

state of excessive hair growth over body

hyperemia

excessive volume of blood flow in a specific tissue or organ

hyperhidrosis

abnormal condition of excessive sweat

hyperpigmentation

abnormal, excessive amount of pigmentation in skin

leukoderma

skin condition that appears white due to lack of normal skin pigment

lipoma

fatty mass

macule

freckle, birthmark (small discolored area flush with skin surface)

necrosis

abnormal condition of death

nodule

small solid mass of cells in skin larger than 0.5cm in diameter

onychomalacia

abnormal softening of the nails

papule

small, solid, circular raised spot on surface of skin lass than 0.5cm in diameter

photosensitivity

condition in which skin reacts abnormally when exposed to light, such as UV rays of the sun

pustule

small, raised spot on skin containing pus

pyoderma

condition of presence of pus on or in layers of skin (sign of bacterial infection)

scleroderma

condition in which skin has lost its elasticity and become hardened

seborrhea

oily discharge

urticaria

hives (skin condition with eruptions that are pale reddish wheals with severe itching)

vesicle

small fluid-filled raised sac on skin (blister)

xeroderma

condition in which skin is abnormally dry

actinic keratosis

abnormal condition of hard, horny, wartlike lesion that envelops on sundamaged skin

albinism

state of being white (genetic condition where body is unable to make melanin characterized by white hair and skin and red pupils due to lack of pigment)

basal cell carcinoma

pertaining to a tumour of basal cell layer of epidermis

cellulitis

inflammation of the skin

ichthyosis

abnormal condition in which skin becomes dry, scaly, and keratinized

kaposi sarcoma

a cancerous tumour of the connective tissue (flesh) of the skin

keratosis

abdominal skin condition involving hard, horny, overgrowth and thickening of epidermis layer

malignant melanoma

black tumour

pediculosis

abnormal condition of infestation of lice

psoriasis

chronic inflammatory condition consisting of papules forming “silvery scale” patches with circular borders

sebaceous cyst

sac under skin filled with sebum or oil from sebaceous gland

seborrheic keratosis

benign skin growth that often looks as if it is “stuck” on the skin

squamous cell carcinoma

cancerous tumor of epidermis layer of skin that may invade deeper tissue and metastasize

strawberry lupus erythematosus

chronic disease of connective tissue that injures skin, joints, kidneys, nervous system, and mucous memebranes

trichomycosis

abnormal condition of hair fungus

onychis

condition of infected nail bed

onychomycosis

abnormal condition of nail fungus

onychophagia

nail eating (nail biting)

paronychia

condition of infection of skin fold around (beside) a nail

eczema

acne of adolescnece

nevus

birthmark

urticaria

redness, vesicles, itching, crusts

bedsore

decubitus ulcer

acne rosacea

hives

acne vulgaris

acne commonly seen in adults

alopecia

baldness

gangrene

caused by deficient blood supply

albinism

lack of skin pigment