Skin
Contusion - Region of injured tissue or skin in which blood capillaries have been ruptured - also called Bruise
Callus - A growth of new bone tissue in and around a fractured area, ultimately replaced by mature bone, an acquired localized thickening
Moles - Area where melanocytes replicate, without threating to invade surrounding tissues, melanocytes produce extra melanin causing symmetrical brown, black, or purple growths - also called Nevi or Nevus
Port-Wine Stains - Markings that affect blood vessels near the surface of the skin, often large and completely harmless
Acne Rosacea - Excessive oiliness of the skin and chronic inflammatory condition of the cheeks and nose - redness owing to dilation of blood vessels and formation of papules and pustules
Urticaria - Rash of round, red welts on the skin that itch intensely, sometimes with dangerous swelling, caused by an allergic reaction - also called Hives
Scars - Forms after the healing of an injury or skin condition that has penetrated the dermal layer
Striae - A linear mark, slight ridge, or groove on a surface, often one of a number of similar parallel features - also called Stretch Marks
Leukoderma - Abnormal light patches of skin caused by congenital defective pigmentations - also called Vitiligo
Erythema - Superficial reddening of the skin, usually in patches, as a result of injury or irritation causing dilatation of the blood capillaries - also called Erythema Multiforme
Hemangioma - Localized benign tumor of the skin and subcutaneous layer that results from an abnormal increase in blood vessels - also called Birthmark
Hair
Head Lice - Tiny, jumping arthropods that suck blood from the scalp, they lay eggs called nits and their saliva causes itching - also called Head Louse
Crab Lice (Pubic Lice) - Tiny arthropods that do not jump and look like miniature crabs
Nails
Cyanosis - A blue or purple discoloration, most easily seen in the nail beds and mucous membranes, that results from an increased concentration of deoxygenated hemoglobin - also called Blue Skin
Glands
Acne - Chronic inflammatory disorder of the skin, related to hormonal changes and overactive sebaceous glands - also called Acne Simplex or Acne Vulgaris
Seborrheic Keratosis - Overactivity and excessive secretion of sebaceous glands
Steatoma - Subcutaneous tumor of the sebaceous glands that contain sebum - als0 called Sebaceous Cyst or Wen
Cyst - An abnormal, usually noncancerous growth filled with liquid or a semisolid substance, sometimes causing pain.
Warts - Raised, rough surface caused by papillomavirus on the hands - also called Verruca Vulgaris
Plantar Warts - Raised, rough surface, growing inward caused by papillomavirus on the soles of the feet
Cystic Warts
Plane Warts
Molluscum Contagiosum
Genital Warts
Butcher's Warts
Focal Epithelia Hyperplasia
Epidermoplasia Verrucifomis
Staphylococcal Infections of the Skin
Boils - Bacteria that enters the skin through hair follicles, subcutaneous abscess that fills with pus - also called Furuncle
Folliculitis
Methicillin-Resistant Staphylococcus Aureus
Hidradenitis Supporitiva
Pilonidal Cysts
Herpes Simplex - Viral infection and tends to lie dormant in its carrier until stress or a depressed immune system creates an outbreak - also called Cold Sore or Fever Blister
Oral Herpes
Genital Herpes
Herpes Whitlow
Herpes Gladiatorum
Herpes Sycosis
Eczema Herpeticum
Ocular Herpes
Animal Parasites
Body Lice
Fungal Infections of the Skin
Tinea Capitis
Tinea Cruris (Jock Itch)
Tinea Pedis (Athlete's Foot) - Scaling, itching and painful lesions between the toes
Tinea Manuum
Onychomycosis
Tinea Versicolor
Scabies Mites - Skin disease marked by itching and small raised red spots, caused by the itch mite - also called Seven-Year Itch or Sarcoptes Scabiei
Tinea Corporis - Scaling, itching and painful lesions on any part of the body - also called Ringworm
Streptococcal Infections of the Skin
Cellulitis - Inflammation of subcutaneous connective tissue
Erysipelas - A streptococcal infection of the skin that may become systemic and involve the lymphatic and circulatory system, very sharp margin between the red and tender involved skin and uninvolved skin
Necrotizing Fasciitis
Impetigo - Bacterial skin infection forming pustules, yellow, crusty sores - also called School Sores
Ecthyma
Secondary skin infection of wounds, dermatitis, scabies,
Decubitus Ulcers - Injuries to skin and underlying tissue resulting from prolonged pressure on the skin, most often develop on skin that covers bony areas of the body, such as the heels, ankles, hips and tailbone - also called Bedsores
Tropical ulcers
Blistering distal dactylitis
Streptococcal perianal and/or vulval dermatitis
Dermatitis - A condition of the skin in which it becomes red, swollen, and sore, sometimes with small blisters, resulting from direct irritation of the skin by an external agent or an allergic reaction - also called Contact Eczema
Contact Dermatitis
Atopic Dermatitis
Stasis Dermatitis
Eczema - Patches of skin becomes rough and inflamed, with blisters that cause itching and bleeding, sometimes resulting from a reaction to irritation, either acute or chronic - also called Atopic Eczema
Seborrheic Eczema
Dyshidrotic
Nummular Eczema
Neurodermatitis
Skin Cancer
Forms in the tissues of the skin, most form on parts of the body exposed to the sun or in people who have weakened immune systems
Basal Cell Carcinoma - Skin cancer that forms in the lower part of the epidermis (outer part of the skin)
Squamous Cell Carcinoma - Skin cancer that forms in squamous cells, flat cells that form the surface of the skin
Neuroendocrine Carcinoma - Skin cancer that forms in neuroendocrine cells, cells that release hormones in response to signals from the nervous system
Malignant Melanoma - Skin cancer that forms in melanocytes, skin cells that make pigment
Burns
Tissue damage caused by excessive heat, electricity, radioactivity, or corrosive chemicals that destroy the proteins in the skin cells
1st Degree - Involves only they epidermis, mild pain and redness but no blisters, skin remains intact - also called Superficial Burn
2nd Degree - Destroys the epidermis and part of the dermis, some skin functions are lost, redness, blister formation, edema and pain - also called Partial Thickness Burn
3rd Degree - Destroys the epidermis, dermis and subcutaneous layer, most skin functions lost, marble-white colored, dry wounds and sensory nerves destroyed - also called Full-Thickness Burn
4th Degree - Destroys not only the skin but also tissues that are deep to the skin such as fascia, muscles and tendons