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Skinhairnaildiseases

From the pictures at the end of Skin, Hair, Nails Chapter

QuestionAnswer
Patch Primary lesion. Flat, circumscribed, discolored, >1 cm diameter. Ex. Vitiligo, melasma
Papule Primary lesion. Raised, defined, any color, <1 cm diameter. Ex. wart, insect bite
Plaque Primary lesion. Raised, defined, any color, >1 cm diameter. Ex. Psoriasis
Wheal Primary lesion. Raised, flesh-colored or red edematous papules or plaques, vary in size and shape Ex. Urticaria
Nodule Primary lesion. Solid, palpable, >1 cm diameter, often with some depth. Ex. Basal cell carcinoma
Tumor Primary lesion. Large nodule. Ex. Large nevus, basal cell carcinoma
Vesicle Primary lesion. Fluid-filled, <1 cm diameter. Ex. Herpes simplex, chicken pox
Bulla Primary lesion. Fluid-filled, >1 cm diameter. Ex. Second-degree burns, bullous impetigo
Pustule Primary lesion. Purulent, fluid-filled, raised of any size. Ex. pustular acne, folliculitis (inflammation of follicles)
Cyst Primary lesion. Distinct and walled-off, containing fluid or semi-solid material, varied in size. Ex. Epidermal cysts, cystic acne
Tinea versicolor A fungus infection of the skin producing yellow or fawn-colored branny patches. Example of a patch
Mollum contagiosum A rash, caused by pox virus, composed of small dome-shaped papules with a central crater that is belly button-shaped. Cheesy (caseous) material fills the core.
Lichen sclerosus A chronic, atrophic skin disorder marked by the appearance of discrete, flat-topped white papules. Skin affected by rash is often thin, shiny and scarred
Atrophy Secondary lesion. Thinning of skin from loss of skin structures.
Scar Secondary lesion. Fibrous replacement of lost skin structure
Keloid Secondary lesion. Excessive fibrous tissue replacement resulting in enlarged scar and deformity
Crust Secondary lesion. Dried secretions from primary lesion. Ex. Impetigo
Scale Secondary lesion. Rapid turnover of epidermal layer resulting in accumulation of and delayed shedding of outermost epidermis Ex. Psoriasis, tinea corporis
Lichenification Secondary lesion. Accentuation of normal skin lines resembling tree bark and commonly caused by excessive scratching. Ex. Psoriasis, chronic contact dermatitis
Excoriation Lesion resulting from scratching or excessive rubbing of skin (secondary lesion)
Erosion Secondary lesion. Loss of epidermal layer. Ex. varicella
Fissure Secondary lesion. Linear break in skin surface, not related to trauma. Ex. Cheilitis
Ulcer Loss of skin surface, extending into dermis, subcutaneous, fascia, muscle, bone or all (secondary lesion)
Scleroderma A chronic manisfestation of progressive systemic sclerosis in which skin is taut, firm and edematous, limiting movement. Example of atrophy
Lichen simplex chronicus An itching papular eruption that is circumscribed and located on skin that has become thickened and pigmented due to scratching. An example of Lichenification
Annular Ring-like, circular. Ex. Tinea corporis
Iris Bull's eye. Ex. Lyme disease
Erythema nodosum A tender, red, nodular rash on the shins that typically arises in conjunction with another illness. Example of an iris
Linear Line shape. Ex. Contact dermatitis
Polymorphous Several different shapes. Ex. Urticaria, tinea corporis
Punctuate Small, marked with points or dots. Ex. Petechiae, vasculitis
Meningococcemia Meningococci in the blood, an illness that may cause a disseminated rash (an example of punctuate lesion configuration)
Serpiginous Curving, snake-like. Ex. scabies
Cutaneous larva migrans A skin lesion characterized by a tortuous elevated red line that progresses at one while fading out at the other. Example of a serpiginous lesion configuration
Nummular/Discoid Coin-shaped. Ex. Nummular psoriasis, nummular eczema
Umbilicated Central depression. Ex. Herpes zoster, basal cell carcinoma
Filiform Papilla-like or finger-like projections. Ex. warts
Verrucaform Circumscribed, papular with rough surface. Ex. warts
Macule Flat, circumscribed, discolored, <1 cm diameter. Ex. freckles, tattoo
Asymmetric Distributed solely on side of the body. Ex. contact dermatitis, herpes zoster
Confluent With enlargement or multiplication, begin to coalesce to form a larger lesion. Ex. urticaria, tinea versicolor
Diffuse Distributed widely across affected area without any pattern. Ex. drug reaction, rubella
Discrete Single, separated, well-defined borders. Ex. malignant melanoma, wart
Generalized Distributed over large body area. Ex. Psoriasis, acne vulgaris
Grouped Clustered. Ex. Herpes simplex
Localized Located at distinct area. Ex. giant nevus, contact dermatitis, vitiligo
Satellite Single lesion(s) in close proximity to larger lesion, "orbiting." Ex. Cutaneous candidiasis
Candidiasis Fungal infection of the skin or mucous membrane with any species of Candida, but mainly Candida albicans
Symmetric Distributed equally on both sides of the body. Ex. freckles
Zosteriform Distributed along dermatome. Ex. Herpes zoster
Cellulitis Bacterial infection of deep skin tissues. Characterized by swelling, redness, warmth and tenderness or pain
Herpes Simplex (cold sores) Characterized by grouped vesicles on an erythematous base
Measles (rubeola) Characterized by pinkish, erythematous macules and papules first on the face and then spreading. Rash eventually becomes brownish in color
Pityriasis rosea Viral infection initially characterized by a large oval hyperpigmented lesion with a fine scale (known as "herald patch") on the chest or back. Later, more similar, but smaller lesions develop on the torso and extremities
German measles (rubella) Viral illness that presents as a pinkish discrete macular and papular rash covering the entire body.
Roseola Viral illness. Rash appears as fever resolves. The rashes are discrete macules and papules about 1-5 mm in diameter and with an area of pallor surrounding each lesion
Tinea corporis Dermatophyte skin infection resulting in an erythematous, commonly pruritic annular lesion with a raised border and central clearing. Commonly called ringworm
Tinea versicolor Dermatophyte infection that results in hypopigmented patchy lesions generally on the upper chest, upper back, proximal extremities.
Psoriasis Chronic skin disorder characterized by reddish-pink lesions covered with silvery scales
Eczema Aka atopic dermatitis. Characterized by itchy, pink macules or papules
Contact dermatitis Inflammatory response to an antigen resulting in erythematous and pruritic lesions
Urticaria Hives. Accumulation of fluid in the dermal layer of the skin
Seborrhea Aka seborrehic dermatitis. Inflammatory skin disorder characterized by macular pink, red, or orange-yellow lesions. Distribution is generally on the face, scalp and ears
Scabies Caused by a mite that burrows into the epidermis. Results in hypersensitivity reaction of erythema and pruritis
Ticks Characterized by an erythematous target lesion that appears at the site of the bite
Congenital nevi Exists from birth. "Birth marks"
Acquired nevi Occur most commonly in childhood and adolescence
Skin tags Normal papules that are generally <1 cm. Common in pregnancy and in aging skin.
Lipoma Tumor comprised of fat cells and commonly located on the back of the neck, torso, arms, and legs. Occur singly and multiply
Lentigo Bening, acquired, circumscribed, pigmented macules found generally on sun-exposed skin
Actinic Keratosis Usually found on sun-exposed skin. Macular or papular lesions are discrete, with a rough or scaly surface. Commonly called solar keratosis
Basal cell carcinoma Nodular or popular lesion that appears shiny with a rolled pearly border and typically has small spider veins (telangiectases) on its surface. Grows slowly. Rarely metastasizes.
Pediculosis capitis pediculosis (lice) infestation of the head
Pediculosis corporis Pediculosis (lice) infestation of the body
Phthirus pubis Pediculosis (lice) infestation of the genitals
Squamous cell carcinoma Lesions are typically papular, nodular or plaques located on sun-exposed skin surfaces
Kaposi's sarcoma Opportunistic skin infection. Due to impaired immune system. Lesions usually on the nose, penis, and extremities
Hemangioma Vascular lesions that are present at birth. Develop and grow but spontaneously resolve by age 9. Filled with blood an blanch with pressure
Nevus Flammeus (Port wine stain) Malformation of superficial dermal blood vessels
Spider or Star Angioma Vascular lesion that arises from a central dermal arteriole with multiple extensions. Commonly on the face, arms, torso
Venous Lake Papular bluish to purple lesion. Blanches with pressure, is benign and often associated with sun exposure. Generally on face, esp. lips or ears
Petechiae Small reddish to purple macules or papules
Purpura Purplish macules or papules resulting from bleeding under the skin secondary to inadequate clotting mechanisms
Ecchymosis Physical trauma to the skin damages capillaries and blood seeps into surround tissues
Hematoma Collection of blood under the skin usually from blunt-force trauma. Palpable lesions
Abrasion Removal of the skin layers and exposing the dermis. Caused by shear force or friction
Suspected deep tissue injury Purple or maroon localized area of discolored intact skin or blood-filled blister from damage to underlying soft tissue as a result of pressure, shearing or both
Stage I pressure ulcer Intact skin with nonblanchable redness of an area
Stage II pressure ulcer Partial thickness loss of dermis presenting as a shallow open ulcer with a red pink wound bed, without slough or bruising
Stage III pressure ulcer Full thickness tissue loss. Subcutaneous fat may be visible, but bone, tendon or muscle is not. Slough may be present. May include Undermining and tunneling.
Stage IV pressure ulcer Full thickness tissue loss with exposed bone, tendon or muscle. Slough or eschar may be present. Often include undermining and tunneling
Unstageable pressure ulcer Full thickness tissue loss in which the base of the ulcer is covered by slough, eschar or both
Neuropathic ulcer Ulcers resulting from loss of sensation in an extremity, impairing a person's ability to detect pressure
Venous ulcer Develop from chronic pooling of blood in an extremity. Usually occur between the ankle and knee. Wound edges irregular with large exudate. Base beefy red with granulation tissue. Surround tissue hyperpigmented. Generally painless.
Arterial ulcer Result from chronic ischemia due to impaired arterial circulation to an extremity. Usually located distally. Wound edges defined. Base is pale. Minimal granulation tissue.
Longitudinal ridging (of nails) Normal variation, esp. in elderly. Commonly due to aging.
Onycholysis Separation of a part of the nail plate from the nail bed. Common causes are trauma, fungal infections, topical irritants, psoriasis and subungal neoplasms or warts
Koilonychia (spoon nails) Transverse and longitudinal concavity of the nail. Causes are trauma, iron-deficiency anemia and hemochromatosis
Hemochromatosis Genetic disease marked by excessive absorption and accumulation of iron in the body
Pitted nails Lesions from psoriasis
Beau's lines Results from slowed or halted nail growth in response to illness, physical trauma or poisoning
Clubbing results from chronic hypoxia to distal fingers, such as with CHF
Yellow Nails Slow growing, without cuticle, and onycholysis resulting in thickening of nail and yellow color. Causes include lung disorder and lymphedema
Half-and-half nails Color changes associated with chronic renal failure. Proximal portion of nails is white, distal portion is pink or brown
Dark longitudinal streaks Often a normal variant in dark-skinned patients.
Splinter hemorrhages Brownish red longitudinal lines in direction of nail growth that result from damage to capillaries (ex. vasculitis)
Alopecia Areata Autoimmune disorder resulting in noninflammatory loss of hair
Hirsutism Excessive androgenic hormones in a female patient causing masculine changes including hair in male distribution patterns (ex. beard)
Traction alopecia hair loss due to tight hair braiding practices
Trichotillomania Compulsive hair pulling causing breaking of hair and thinned/balding areas on the scalp
Sjorgen's syndrome An autoimmune disorder marked by decreased lacrimal and salivary secretions, resulting in dry eyes and dry mouth. Annular erythema found on skin
Polycythemia An excess of RBCs. An integument finding with this is pruritus
Mastocytosis A term for a variety of rare disorders in which there is proliferation of excessive numbers of normal mast cells systemically or in the skin. Integument findings - pruritus
Malar rash red macular lesions distributed over forehead, cheeks, and chin, resembling a butterfly
Systemic lupus erythematosus Any of a group of deep fungus infections involving various bodily systems or regions
Hypothyroidism Causes thick, coarse hair, dry skin, and cool skin temp
Hyperthyroidism Causes smooth skin, thin, silky hair and brittle nails
Cushing's syndrome Symptoms from prolonged exposure to excessive glucocorticoid hormones. Side effect of the pharmacological use of steroids in the management of inflammatory illnesses. Integument finding - straie
Addison's disease Rare illness marked by gradual and progressive failure of the adrenal glands and insufficient production of steroid hormones. Integument finding - hyperpigmentation of skin and mucous membranes, nevi
Androgen disorders Cause excessive hair growth or thinning, worsening acne
Diabetes mellitus Causes decreased sweating (hypohidrosis), frequent cutaneous yeast infections, hair loss on distal extremities and hyperpigmentation (acanthosis nigricans)
Herpes labialis lesions from herpes simplex virus on or around the mouth
Herpes genitalis lesions form herpes simplex virus in genital regions
Cutaneous herpes lesions form herpes simplex virus elsewhere in the body
Created by: srllama on 2011-03-05



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