Chapter 3 Pathology Flashcards
Abscess
Collection of pus in skin.
Acne
Inflammatory disease of sebaceous glands and hair follicles resulting in papules and pustules.
Acne Rosacea
Chronic form of acne seen in adults involving redness, tiny pimples, and broken blood vessels, primarily on nose and cheeks.
Acne Vulgaris
Common form of acne seen in teenagers; characterized by comedos, papules, and pustules.
Albinism
Genetic condition in which body is unable to make melanin; characterized by white hair and skin and res pupils due to lack of pigment.
Basal Cell Carcinoma
Cancerous tumor of basal cell layer of epidermis; frequent type of skin cancer that rarely metastasizes or spreads; these cancers can arise on sun-exposed skin.
Cellulitis
Diffuse, acute infection and inflammation of connective tissue found in skin.
Cicatrix
A scar.
Decubitus Ulcer
Open sore caused by pressure over bony prominences cutting off blood flow to overlying skin; can appear in bedridden patients who lie in one position too long and can be difficult to heal; also called a bedsore or pressure sore.
Dermatitis
Inflammation of the skin.
Dermatosis
General term indicating presence of abnormal skin condition.
Dry Gangrene
Late stages of gangrene characterized by affected area becoming dried, blackened, and shriveled; referred to as mummified.
Eczema
Superficial dermatitis of unknown cause accompanied by redness, vesicles, itching, and crusting.
Gangrene
Tissue necrosis usually due to deficient blood supply.
Ichthyosis
Condition in which skin becomes dry, scaly, and keratinized.
Impetigo
Highly infectious bacterial infection of skin with pustules that rupture and become crusted over.
Kaposi’s Sarcoma
Form of skin cancer frequently seen in acquired immunodeficiency syndrome (AIDS) patients; consists of brownish-purple papules that spread from skin and metastasize to internal organs.
Keloid
Formation of raised thickened hypertrophic scar after injury or surgery.
Keratosis
Term for any skin condition involving overgrowth and thickening of epidermis layer.
Laceration
Torn or jagged wound; incorrectly used to describe cut.
Malignant Melanoma
Dangerous form of skin cancer caused by uncontrolled growth of melanocytes; may quickly metastasize or spread to internal organs.
Pediculosis
Infestation with live, eggs by lice are called nuts and cling tightly to hair.
Psoriasis
Chronic inflammatory condition consisting of papules forming “silvery scale” patches with circular borders.
Rubella
Contagious viral skin infection; commonly called German measles.
Scabies
Contagious skin disease caused by egg-laying mite that burrows through skin and causes redness and intense itching; often seen in children.
Sebaceous Cyst
Sac under skin filled with sebum or oil from sebaceous gland; can grow to large size and may need to be excised.
Squamous Cell Carcinoma
Cancer of epidermis layer of skin that may invade deeper tissue and metastasize; often begins as sore that does not heal.
Strawberry Hemangioma
Congenital collection of dilated blood vessels causing red birthmark that fades a few months after birth.
Systemic Lupus Erythematosus
Chronic disease of connective tissue that injures skin, joints, kidneys, nervous system, and mucous membranes; autoimmune condition meaning that body’s own immune system attacks normal tissue of body; may produce characteristic red, scaly butterfly rash across cheeks and nose.
Tinea
Fungal skin disease resulting in itching, scaling lesions.
Tinea Capitis
Fungal infection of scalp; commonly called ringworm.
Tinea Pedis
Fungal infection of foot; commonly called athlete’s foot.
Varicella
Contagious viral skin infection; commonly called chickenpox.
Verruca
Commonly called warts; benign growth caused by virus; has rough surface removed by chemicals and/or laser therapy.
Vitiligo
Disappearance of pigment from skin in patches, causing milk-white appearance; also called leukoderma.
Wet Gangrene
Area of gangrene that becomes secondarily infected by pus-producing bacteria.
