Skin diseases and disorders
the study of the causes of diseases
Etiology
Changes in the structure of the skin during the early stages of change and development
Primary skin lesions
Cracks to the skin
Fissures
Pearly white enclosed keratin-filled cysts that contain sebum, dead skin cells and bacteria that form a hard ball beneath the outer layer of the skin
Milia
Inability to sweat normally
Anhidrosis
a term used it identify conditions that are brief and severe
Chronic
Discoloration appearing on the skins surface
Macules
Mechanical abrasions to the epidermis or injuries to the epidermis
Excoriations
A condition of dry scaly skin with reduced sebum production
Asteatosis
Body odor
Bromidrosis
Sometimes referred to as contact dermatitis
Dermatitis venenata
Hardened red elevations of the skin in which no fluid is present
Papules
Appear as a disease progresses into the later stages of development
Secondary skin lesions
Subcutaneous tumor of the sebaceous glands filled with sebum.
Steatoma
Infection in the hair follicules caused by bacteria, shaving or clothing irritation
Folliculitis
Caused by exposure to substances or materials such as fragrances, cosmetics, soaps, hair dyes, latex gloves
Allergic contact dermatitis
Solid masses in the skin, may be elevated or deep
Tumors
Identify overgrowth or excess of skin.
examples callus , verruca and skin tags
Hypertrophies
Appear in the dermal layer and the epidermis and are caused by an acute bacterial infection. They are localized infection of the hair follicles.
Furuncle
Over production of perspiration caused by excessive heat or general body weakness and requires medical attention
Hyperhidrosis
Caused by contact with acids, alkaline materials such as soaps and detergent, hair dyes or perm solutions
Irritant contact dermatitis
A contagious, chronic condition characterized by a single vesicle or a group of vesicles on a red swollen base
Herpes simplex virus
Crusty material may contain blood, pus, sebum, epithelial tissue or bacterial debris
Scab
A chronic inflammatory congestion of the cheeks and nose observed as redness with papules and sometimes pustules present
Rosacea
A medical term for razor bumps or irritation following shaving
Pseudofolliculitis barbea