Dermatology Flashcards
A small raised lesion <0.5cm assoc. w/ measles or syphilis (solid)
Papule
A small lesion which is flat such as a freckle or measles.
Macule
A small lesion <0.5cm filled w/ serous fluid & assoc. w/ herpes & chicken pox
Vesicle
A small lesion <0.5cm filled w/ pus assoc. w/ staph infection d/t a furuncle
Pustule
A hard raised lesion >0.5cm in size
Nodule
A fluid filled lesion >0.5cm in size assoc. w/ phemphigus
Bulla
A precancerous lesion seen on mucus membranes & assoc. w/ tobacco use
Leukoplakia
Organism maybe staph or strep (M/C). Crusty lesions found around the corners of the mouth or on the hands of children
Impetigo
Organism is beta hemolytic strep. Presents as a red, fiery, advancing lesion on the skin. PT will have fever & an elevated ASO titer.
Erysipelas
A staph-infected hair follicle that presents as a painful nodule
Furuncle
A “Carload of furuncles” Same organism & lesion locations as furuncles
Carbuncle
Tender bacterial or fungal hand infection or foot infection where the nail & skin meet at the side
Paronychia
A sub fascial inflammation or infection of the finger pad
Felon
Diagnosis for fungal/mycotic infections (tinea) is made w/ what?
Wood’s lamp
Tinea infection of the body?
Tinea Corpus
Tinea infection of the foot (Athlete’s foot)
Tinea Pedis
Tinea infection of the nails
Tinea Ungunum
Tinea infection of the scalp?
Tinea Capitus
Tinea infection of the groin (Jock itch)
Tinea Cruris
Tinea infection of the beard
Tinea Barbae
Yeast infection/thrush (oral) is caused by what organism?
Candida albicans
Multiple hypo-pigmented, asymptomatic lesions varying in color from white to brown
Tinea Versicolor
A pitted erythematous lesion or ulcer in the mouth
Aphthous Stomatitis
Dandruff; similar to “cradle cap” in newborns
Seborrheic Dermatitis
Exhibits a charac. oval/round lesions called a herald patch. Caused by a virus.
Pityriasis Rosea
Silver scales on extensor surfaces of knees & elbows
Psoriasis
Found in the dorsal root ganglion. Vesicular lesions that follow the course of a dermatome
Herpes Zoster AKA Shingles
An auto-immune condition charac. by depigmentation (absent melanocytes) after development
Vitiligo
Complete depigmentation (lack of melanin) of the body first observed at birth
Albinism
Hives described as a wheal d/t an allergy such as penicillin or a food allergy
Urticaria
A potentially life threatening condition exhibiting bulla (blisters) on the skin
Pemphigus Vulgaris
Located on the face, nose, & cheeks & is exacerbated by sunlight, caffeine, & alcohol
Acne Rosacea
An inflammatory pruritic ds charac. by papules w/ shiny, fine inconspicuous scales & whitish lines or puncta
Lichen Planus
A non-tender epidermal cyst that is filled w/ sebum
Wen AKA Epidermal Cyst
A dense, sharply elevated, progressively enlarging scar w/ collagenous hyperplasia seen in African-Americans, Latinos, & Asians
Keloid
An accumulation of sebum w/i a pore. Closed = whitehead, Open = blackhead
Comedone (whitehead called a comedo)
A transmissible (whirlpool) infection caused by mites & charac. by grouped vesicles & superficial linea furrows in the groin
Scabies
A discrete coin shaped, ring, or annular lesion that coalesce to form patches which ooze & crust over
Nummular Eczema
Increased keratinization producing a non-inflammatory skin lesion
Ichthyosis AKA Fish skin
Reddened areas caused by moisture, friction, & warmth retention found on opposing skin surfaces
Intertrigo
A condition (esp adolescents) of sebaceous glands charac. by comedomes & pus filled cysts
Acne Vulgaris
Caused by lice.
Pediculosis (Lesion sites: pubic area - pubis, body - corporis, head - capitus)
A skin reaction usually assoc. w/ strep charac. by bilateral, red, & tender nodules
Erythema Nodosum
Rough & thick skin d/t constant scratching of a pruritic, chronic dermatitis
Lichenification
HSV infection charc. by small vesicles “cold sores” located on the mouth or in the genital region. Can be reactivated during delivery
Herpes simplex
Malignant tumor of epithelial cells. Irregular & flaky
Squamous cell
M/C skin cancer. Waxy & indurated
Basal cell
Most invasive type of skin cancer. Multicolored.
Melanoma
