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Dermatology: Clin Med Dermatology Unit
n/a
176
Medical
Professional
09/17/2011

Additional Medical Flashcards

 


 

Cards

Term
Atopic Dermatitis
Definition
an eczematous eruption that is distressingly pruritic, recurrent, often flexural, and symmetric. begins early in life and characterized by periods of remission and exacerbation.
Term
Keratosis Pilaris
Definition
Small, rough, pinpoint folliculocentric keratoic papules, usually found on posteriolateral upper arms
Term
Eczema
Definition
Generic term for inflammatory conditions of the skin, particularly with vesiculation in the acute stage, typically erythematous, edematous, papular, and crusting; followed often by lichenification and scaling and occasionally by duskiness of the erythema and infrequently hyperpigmentation; often accompanied by sensations of itching and burning
Term
Xerosis
Definition
dry skin
Term
Ichthyosis Vulgaris
Definition
Fine, white, adherent, polygonal scale with central tacking, major hereditary factor (autosomal dominant), most often found on extensor surfaces of LE
Term
Chronic Plaque Psoriasis
Definition
red, scaly, round-to-oval plaques, symmetrical, sharply marginated, loosely adherent "silvery-white" scale, chronic condition, onset peaks in 20s and 50s
Term
Auspitz sign
Definition
appearance of punctate bleeding when psoriasis scales are scraped off
Term
Koebner phenomenon
Definition
appearance of lesions at the site of an injury
Term
Gutate Psoriasis
Definition
a type of psoriasis preceded 1-2 weeks by strep pharyngitis, small, scaly papules suddenly appear, and resolve spontaneously in weeks to months
Term
Pustular Psoriasis
Definition
Localized, small pustules on erythematous base, painful, found on palms and soles, associated with tobacco use
Term
Inverse Psoriasis
Definition
a type of Psoriasis with smooth, red and sharply defined plaques found in intertriginous areas
Term
Erythrodermic Psoriasis
Definition
a type of psoriasis defined by generalized erythema and scaling, entire skin surface is involved
Term
Pityriasis Rosea
Definition
Condition has a distinct course:
1. URI like prodrome
2. primary plaque = Herald Patch
3. Followed by generalized secondary rash that has a christmas tree distribution and circular intact scale
Term
Lichen Planus
Definition
An uncommon, inflammatory papulosquamous disorder of unknown etiology defined by the 5 P's
1. Pruritic
2. Planer
3. Polyangular
4. Purple
5. Papules

Exhibits Wickham striae - white lacy reticular pattern of criss-cross lines
Term
Granuloma Annulare
Definition
Progressive, self-limited dermal skin disease characterized by round or annular plaques that may initially resemble tinea and spontaneously disappear after a number of years, begins with asymptomatic, flesh-colored to erythematous papule that undergoes central involusion - found on dorsal hands with NO SCALE
Term
Urticaria
Definition
Transient, edematous, purulent, red, plaque that vary in size and shape, but individual lesions do not last longer than 24 hours, sudden onset
Term
Angioedema
Definition
an acute or chronic hive-like swelling in the deeper subcutaneous tissue of the skin and mucosa, dramatic appearance and painful
Term
Erythema Multiforme
Definition
hypersensitivity disease, MC etiology is HSV,
1. prodrome (malaise, fever, itching, burning, cough)
2. primary lesion small, dull, red macule or urticarial papule with central papule/vesicle that may clear
3. many forms of lesions but hallmark = target lesion on palms, soles, hands, feet, extensor forearms and legs
Term
Erythema Nodosum
Definition
panniculitis (inflammation of SubQ adipose tissue) characterized by tender pink nodules on the extensor surface of the lower legs, pink to dusky red firm nodules with indistinct edges, Etiology = Strep infections
Term
Acrochordon
Definition
common, fleshy lesions along skin folds that are attached to skin via a stalk
Term
Actinic Keratosis
Definition
lesions with initial redness and telangiectasia, followed by transparent scale that thickens to a yellow/grey color, CONSIDERED PRE-MALIGNANT (SCC)
Term
Cafe au 'Lait Spot
Definition
Light to bron macules/patches, change in myelination/pigmentation, usually present at birth
Term
Cherry Angioma
Definition
Vascular neoplasm which develops during adulthood, dome shaped, smooth, asymptomatic, superficial trauma may induce bleeding
Term
Cutaneous Horn
Definition
keratotic lesion that "grows" on epidermis, may arise over SCC at base, so be aware
Term
Dermatofibroma
Definition
common, firm, dense, dermal papule/plaque that are MC pigmented, arise spontaneously

usually asymptomatic, may itch, discrete papules, small, feels firm - almost scar-like, flesh-toned to pink or brown
Term
Nevi
Definition
benign skin tumors composed of melanocyte-derived cells, acquired through early teens, can expand laterally and raise
Term
Seborrheic Keratosis
Definition
epidermal lesion that is asymptomatic, flat or raised, pink to dark brown, has a discrete border, crumbles when picked, and has a waxy scale.

they grow back if you pick/shave them
Term
Solar Lentigo
Definition
Common condition with brown macules/local hyperpigmentation, occurs in sun damaged skin, are mostly a cosmetic concern, irregular macules/patches surrounding actinic change, sharp but not necessarily symmetrical borders
Term
Venous Lake
Definition
a dilated vein that occurs on sun-damaged skin and appears as a small blanchable dark blue to purple papule, usually found on lips and ears
Term
Epidermal Cyst
Definition
Firm, mobile nodule filled with Keratin, often from a blocked hair follicle/gland, mobile with central punctum/plug
Term
Hemangiomas
Definition
vascular neoplasms, occurs during first year of birth, cosmetically bothersome

2 types:
1. small, red/pink, proliferate then regress
2. deeper variant, often multiple, ill defined red/blue, don't go away on their own
Term
Keliod
Definition
hypertrophic scarring that overgrows boundary of injury
Term
Keratoacanthoma
Definition
Rapidly growing lesion, painful d/t rapid growth, begins as a smooth, dome-shaped red papule that develops a central keratin-filled center
Term
Neurofibroma
Definition
Soft, often compressible papule or nodule, flesh-toned to brown, asymptomatic unless traumatized, larger than a skin tag and not stuck on by a "stalk"
Term
Basal Cell Carcinoma
Definition
Most Common form of skin cancer, raised edge, central ulcer, chronic sun damage, non-healing lesion. Rarely metastisizes but is locally destructive. Cycle of growth, ulceration, and healing continues as mass extends and deepens.
Term
Squamous Cell Carcinoma
Definition
2nd most common form of skin cancer, has potential to metastasize, begins with sun damage changes, red base with yellow-white adherent scale, becomes raised and larger, often develops into nodule with central keratin plug, not shiny or dry, skin is hard, horn-like, callused
Term
Melanoma
Definition
Malignancy of melanocytes, metastisis!, often develops from a preexisting nevus, huge variation in presentation, itching/tenderness/ change in a nevus
Term
Atopic Dermatitis
Definition
Defective barrier function in stratum corneum leading to entry of antigens, genetic predisposition to react to various environmental allergens, lesions flare following infection by S. aureus.

xerotic, erythematous, scaly, and lichenified ill-defined patches and plaques
Term
Irritant Contact Dermatitis
Definition
Direct contact of the skin with an irritant damages the skin, MC irritants include dry air, water, soap, and solvents
Term
Allergic contact dermatitis
Definition
direct contact of the skin with an allergen provokes an immune reaction, intensely itchy, linear or sharply defined lesions
Term
Dyshidrotic eczema
Definition
acute itching followed by sudden occurrence of blisters MC found on palms, soles, and lateral aspects of fingers followed by desquamation
Term
Numular eczema
Definition
Dermatitis characterized by pruritic, erythematous, coin-shaped patches
Term
Lichen Simplex Chronicus
Definition
Localized form of lichenification occuring in circumscribed plaques d/t repeatedly rubbing and scratching, anxiety or obsession is part of process, scratching is an automatic, reflexive habit
Term
Perioral Dermatitis
Definition
a distinctive, scaly, papular eruption around the mouth, nose, and eyes, occurs almost exclusively in women, rarely itchy
Term
Seborrheic Dermatitis (Dandruff)
Definition
Increased sebum and abnormal immune response to the yeast pityosporum, worse in the winter, active phases manifest with burning, scaling, and itching. Commonly affect sebum-rich areas (scalp, eyebrows, lashes)
Term
Acne Vulgaris
Definition
epidermal hyperproliferation with subsequent plugging of the follicle, excess sebum, inflammation and presents of P. acnes bacteria.

Non-Inflammatory lesions = open comedones and closed comedones
Inflammatory lesions = characterized by presence of papules, pustules, and nodules
Term
Rosacea
Definition
common condition characterized by symptoms of facial flushing and a spectrum of clinical signs including erythema, telangiectasias, and inflammatory papulopustular eruption resembling acne, triggered by spicy foods, alcohol, hot beverages
Term
Hyperhidrosis
Definition
sweating in excess of that required for normal thermoregulation
Term
Hidradenitis Suppurativa
Definition
chronic, recurring disorder of the follicular unit producing extremely painful, deep-seated nodules, cysts, sinus tracts, and scars in the apocrine-gland bearing areas of the body
Term
Miliaria (Heat Rash)
Definition
clear to red papules that result form obstruction of the eccrine sweat ducts. Blockage of the ducts results in the leakage of eccrine sweat into the epidermis or dermis.
Term
Miliaria Crystallina
Definition
Superfucial eccrine sweat glad duct obstruction at level of stratum corneum. results in tiny, fragile, clear vesicles that occur in crops, are asymptomatic and self imiting
Term
Miliaria rubra (heat rash)
Definition
deeper obstruction of the eccrine sweat glands - leakage of sweat around the duct causes release of inflammatory mediators. extremely pruritic, erythematous papules, anhidrosis develops in affected sites, can lead to hyperpyrexia and heat exhaustion - resolves spontaneously with change in environment
Term
Miliaria Profunda
Definition
obstruction of the eccrine sweat ducts at the dermal/epidermal junction. asymptomatic flesh-colored papules, possible increase in sweating in unaffected skin. inability to sweat results in symptoms of heat exhaustion and fever
Term
Androgenic Alopecia
Definition
Progressive balding that occurs through the combined effect of genetic predisposition and the action of androgen on the hair follicles of the scalp
Term
Alopecia Areata
Definition
recurrent, nonscaring type of hair loss characterized by one or multiple focal areas of hair loss - no cure
Term
Telogen Effluvium
Definition
Reversible, nonscarring alopecia characteried by diffuse loss of mature terminal hairs which is usually a sudden onset 3-5 months after a systemic stress. Visible diffuse hair shedding through the scalp - sometimes the provider can't tell.
Term
Traumatic Alopecia
Definition
Alopecia caused by mechanical traction or chemical trauma - causes patchy areas of hair loss. Initial stages are reversible but prolonged traction alopecia can be permanent
Term
Trichotillomania
Definition
The recurrent pulling of one's hair that results in significant hair loss. A self-induced primary psychiatric disorder. Produces bizarre, asymmetric, irregular pattern of broken hairs of varying lengths.
Term
Folliculitis
Definition
Inflammation of the hair follicle. Main cause = staph aureus. May be itchy or mildly uncomfortable, exposure to pools or hot tubs that are contaminated with P. aeruginosa, longterm antibiotic or corticosteroid tx that predisposes to candida infection.

dome-shaped pustules with small erythematous halos arise, lesions clustered in groups by hair bearing regions
Term
Furncle
Definition
a deep, inflammatory nodule involving the hair follicle, usually following an episode of folliculitis. very painful. usually drains pus spontaneously. MC cause is S. aureus
Term
Carbuncle
Definition
a series of abscesses in the SubQ tissue that drain via hair follicles. Very painful, usually drains pus spontaneously. MC cause is S. aureus.
Term
Hirsutism
Definition
The development of androgen-dependent terminal body hair on the lip, chin, chest, abdomen, back, and nipples in women
Term
Hypertrichosis
Definition
Excessive hair growth beyond normal limits for age, race, sex in non-androgen sensitive areas
Term
Pseudofolliculitis (Razor Bumps or Ingrown Hairs)
Definition
A papular and pustular FB inflammatory reaction, firm papules, skin-colored, erythematous or hyperpigmented, has hair shaft in center of papule, hair shaft can be lifted up and out of papule, pustules and abscess formation can occur from secondary infection
Term
Ingrown Nail
Definition
Lateral nail margin driven into the skin of the nail groove, nail acts as a FB producing an inflammatory response. Presents with edema, erythema, or inflammation of tissue surrounding the nail bed
Term
Onycholysis
Definition
Spontaneous separation of the nail plate from underlying and/or lateral supporting structures.

MC causes - contact irritants, trauma, moisture
Term
Onchomycosis
Definition
A fungal infection of the nails, MC casue = dermatophytes
Term
Distal Subungal Onchomycosis (DSO)
Definition
fungus invades nail bed and underside of nail plate, thickened nail plate, subungal hyperkeratosis and oncholysis, discoloration (yellow-brown)
Term
White Superficial Onychomycosis (WSO)
Definition
fungal invasion of the superficial layers of the nail plate. toenails, small white specked patches on surface of nail plate
Term
Proximal Subungal Onchomycosis (PSO)
Definition
fungal penetration through proximal nail fold (Least Common). Nail plate becomes white proximally and remains normal distally.
Term
Candidal Onychomycosis
Definition
Candida invade fingernails in persons wo frequently immerse hands in water. Toenails and fingernails manifests as paronychia and/or oncholysis
Term
Paronychia
Definition
a soft tissue infection around a fingernail
Term
Paronychia
Definition
the breakdown of the protective barrier between nail and nail fold allows entry of the organism into nail crevice and results in bacterial or fungal colonization of the area
Term
Acute Paronychia
Definition
trauma that breaks down physical barrier between nail and nail bed (i.e. hangnails, biting nails). MC cause is S. aureus. Presents erythematous and swollen, pus may collect under the skin of the lateral fold.
Term
Chronic Paronychia
Definition
Primarily caused by the yeast Candida albicans in persons whose hands are repeatedly exposed to moist environments. presents as swollen, erythematous, and tender nail folds with no signs of pus. cuticals and nail folds may separate from nail plate.
Term
Subungual Hematoma
Definition
A collection of blood underneath the nail which causes a blue-black discoloration
Term
Trephination
Definition
drilling a hole in nail to release blood and pressure
Term
Clubbing
Definition
Bulbous enlargement of the distal portion of a digit. Develops gradually and is painless. No erythema. Usually a sign of an underlying disease.
Term
Melanonychia
Definition
Black or brown pigmentation of the nail plate caused by an increase production of melanin in the nail matrix. if the pigment changes or ulcerates - be suspicious of melanoma.
Term
Nail Pitting
Definition
The presence of small depressions on the nail surface
Term
Pincer Nails
Definition
an uncommon condition in which there is a transverse over-curvature of the nail plate. Asymptomatic.
Term
Splinter Hemorrhages
Definition
Appear as narrow, vertical, reddish-brown lines of blood beneath the nails.
Term
Periungual Warts
Definition
Warts that occur at the nail margin. Can affect shape of the nail by pushing it up or causing partial detachment.
Term
Digital Mucous Cysts
Definition
A benign ganglion often located between the distal interphalangeal joint and nail; caused by leakage of fluid from the joint into the surrounding tissue. Translucent-flesh colored, dome-shaped, firm papules that produce a gelatinous material if punctured.
Term
Cellulitis
Definition
Acute spreading inflammation of the dermis and SubQ tissue. Unilateral, erythema, warm, tender/painful, patch/plaque with irregular ill-defined margins, fever, malaise, anorexia, chills, commonly found on LE. Caused by bacterial infection.
Term
Erysipelas
Definition
Acute, superficial bacterial infection of the dermis. Margins are clearly demarcated and raised. Predisposition for face, scalp, legs, and abdomen.
Term
Impetigo
Definition
Acute, contagious, superficial skin infection caused by Staph aureus. Initial vesicle turns into pustule, ruptures, and dries forming a "honey colored" crust. Can occur anywhere but MC by mouth/nose.
Term
Toxic Shock Syndrome
Definition
Acute, toxin-mediated multisystem disease resulting in high fever, diffuse erythroderma, MM hyperemia, and profound hypotension. RAPID ONSET, rash is pruritic and diffuse.
Term
Candida albicans
Definition
A type of fungus that infects skin and mucous membranes. It is a normal flora of the mouth, vaginal tract, and gut. Diagnosis of this is made by KOH wet prep and fungal cultures to confirm.
Term
Candida Balanitis
Definition
Fungal infection of glans penis, characterized by erythematous pinpoint papules. Tenderness, edema, erythematous findings, exudate, satellite lesions, inability to retract foreskin d/t inflammation and discomfort during urination present.
Term
Candida Intertrigo
Definition
Superficial fungal infection where there is skin to skin contact. PResents as erythematous macerated skin, glistening plaques, bilateral, satellite lesions, tenderness/painful, and increased sensitivity.
Term
Oral Candidiasis (thrush)
Definition
Yeast infection of the mucous membranes of the mouth. Presents with burning, diminished taste, creamy exudates with erythema below.
Term
Angular Chelitis (Perleche)
Definition
inflammation, superficial fungal infection, of the angles of the mouth. Presents with macerated angles of mouth, erythema, fissures, and sore, raw open areas. Want to address underlying cause.
Term
Pityriasis (tinea) Versicolor
Definition
Chronic, asymptomatic, superficial fungal infection of the torso. Presents with macules with fine scale, patches, vitiligo appearance, sharply marginated, fawn/brown/pink colored macules, inhibits melanocyte function. Hypopigmented areas may not disappear immediately but should return to normal with treatment.
Term
Dermatophytes
Definition
A group of fungi capable of infecting skin, hair, and nails. Includes microsporum, epidermophyton, and trichophyton species.
Term
Tinea Capitis
Definition
Fungal infection of the scalp. Commonly seen in children. Predisposing conditions include contact with pets or infected person, malnutrition, poor hygiene, and children.
Term
Inflammatory Tinea Capitis
Definition
another name for Kerion
Term
Seborrheic Tinea Capitis
Definition
fungal infection of the scalp characterized by patchy, fine, adherent scales that looks like dandruff (most common form)
Term
Non-inflammatory Tinea Capitis
Definition
Fungal infection of the scalp characterized by black dots, areas of alopecia, mild to moderate scaling, occipital adenopathy, and tenderness.
Term
Pustular Type Tinea Capitis
Definition
Fungal infection of the scalp characterized by pustules and no scaling or alopecia.
Term
Kerion
Definition
Inflammatory scalp infection characterized by boggy tender areas of alopecia, illness (fever), scarring, and pain. Must refer these cases to derm.
Term
Tinea Corporis

(Ring Worm)
Definition
Fungal infection of the Trunk/body. Characterized by an elevated advancing edge with scale, and a central clearing. +/- pruritis.
Term
T. rubrum, M. canis. T. tonsurans
Definition
Cause of Tinea Corporis
Term
Tinea Cruris

(Jock Itch)
Definition
Fungal infection of the groin, occurs almost exclusively in post pubertal boys. Presents with itching, bilateral plaques with scale, large, erythematous plaques usually well defined borders with scaling. Should avoid restrictive clothing, dry well after bathing, and use good hygiene.
Term
Tinea Manus
Definition
Fungal infection of the hand. Presents with scaling, hyperkeratosis, itch, papules, and bullae. Back of hands look like ring worm.
Term
Tinea Pedis

(athletes foot)
Definition
fingal infection of the feet. many different presentations, lesions may be annular, between digits or dorsal plantar aspects of the foot, scaling, macerated, erythema, bulla formation, can spread (to toenails).
Term
Erythema Infectiosum

(fifth disease, slapped cheek syndrome)
Definition
Common childhood viral exanthem that causes bright red cheeks and lacy erythema of the arms. Patients contagious only until rash develops.
Term
Parovirus B19
Definition
Cause of Erythema Infectiosum
Term
Hand, Foot, and Mouth disease
Definition
short lived, contagious, viral infection.

1. initially, small vesicles form in mouth
2. rhomboid/square yellow vesicles appear on hands, feet, and buttocks
Term
Coxsackie A16 virus or Enterovirus 71
Definition
Cause of Hand, Foot, and Mouth disease
Term
Herpes Simplex
Definition
cute, self-limiting viral infection involving skin and mucous membranes.

primary infection: acute development of grouped macules to painful vesicles, eroding to crusts.numerous scattered lesions generally resolve within 2-6 weeks and lies dormant on body

secondary infection: reactivation of virus, symptoms less severe, predisposed by menses, fatigue, stress, trauma, sunlight.
Term
HSV1 & HSV 2
Definition
Cause of Herpes Simplex
Term
Varicella

(Chicken Pox)
Definition
contagious viral infection with a mild prodrome, and a generalized vesicular rash (crups of pruritic macules becoming teardrop vesicles) which crust over within 6-8 hours and usually drop off within a week
Term
Varicella zoster virus

(human herpesvirus 3)
Definition
Cause of Varicella
Term
Herpes Zoster

(Shingles)
Definition
A cutaneous, viral infection generally involving the skin of a single dermatome or adjacent dermatomes. Presents with 3-5 days of localized (VERY PAINFUL) symptoms. Red macules rapidly become papular, then vesicular, surrounded by erythema. Vesicles group over 2-3 weeks, becoming pustular then scab over. Scabs fall off leaving a white scar.
Term
Reactivation of Varicella Zoster Virus
Definition
Cause of Herpes Zoster
Term
Molluscum Contagiosum
Definition
localized, self-limiting, viral infection of the skin. Spread on skin by autoinoculation, asymptomatic, flesh-toned papule, dome-shaped with central umbilication. Can occur anywhere but usually found on face/neck.
Term
Poxvirus
Definition
Cause of Molluscum Contagiosum
Term
Measles

(Rubeola)
Definition
Highly contagious childhood viral infection. 10-15 day incubation period with prodrome of 3 c's (cough, coryza, and conjunctivitis). "Koplik spots," on buccal mucosa during prodrome, disappear at the peak of the rash. Red macules begin at 4th day on face/neck/behind ears, become papules and spread downward; lesions coalesce then clear in 3 days leaving brown stain.
Term
Paramyxovirus group
Definition
Cause of Measles
Term
Paramyxovirus group
Definition
Cause of Rubeola
Term
Rubella
Definition
common viral infection affecting skin, lymph nodes, and joints. 2-3 week incubation period with prodrome (malaise, fever, myalgias, tender lymphadenopathy). Very small, pink macules coincide with prodrome; begin on face/scalp and spread downward, become papular then desquamate. Papules fade w/in 3 days - red petechiae may occur on soft palate
Term
Togavirus
Definition
Cause of Rubella
Term
Roseola
Definition
Common childhood viral exanthum characterized by a high fever each night for 3-4 nights followed by the abrupt appearance of a diffuse rash as the fever resolves
Term
Human herpesvirus 6 & Human herpesvirus 7
Definition
Cause of Roseola
Term
Warts
Definition
common viral infection of skin and mucous membranes caused by HPV, 4 different presentations
Term
Human Papilloma virus (HPV)
Definition
Cause of Warts
Term
Common warts
Definition
the type of wart that is flesh toned, has a smooth to rough surface, and can be found anywhere
Term
Plane (flat) warts
Definition
Type of wart that is flesh toned to pigmented (pink), surface is a smooth plaque, and is found on face, hands, and limbs
Term
Planter Wart
Definition
Type of wart that is flesh toned or blackened, the surface is raised and rough, and is found on the feet
Term
Mosaic wart
Definition
type of wart that is flesh-toned, the surface is a rough plaque, and is found on the soles, heals, palmer, or periungal surfaces as large clusters or warts together
Term
Syphilis
Definition
an STI that mimics various other diseases
Term
Syphilis
Definition
an STI that has many complications, including hart disease, blindness, brain damage, still births, infertility, congenital birth defects, facilitates HIV transmission, and death
Term
Syphilis
Definition
caused by the bacteria Treponema pallidum
Term
Syphilis
Definition
Primary infection symptoms include a painless, hard, indurated ulcer that forms at the site of inoculation. usually solitary and can be hidden. Cancher heals in 3-6 weeks but bacteria remains present.
Term
Syphilis
Definition
Secondary symptoms of this disease develop 6 weeks - 6 months after canchre, and includes copper-tinted lesions, irregular alopecia, condylomata lata, flu-like symptoms, and a pink, scaly, patch, rash that become generalized and is discrete, confluent, profuse, and in a variety of shapes.
Term
Syphilis
Definition
tertiary infection - affects seen on heart, brain, and/or other organs. Chronic change over time. Develops 1-10 years after initial infection.
Term
Chancroid
Definition
an STI characterized by painful genital ulceration and inguinal lymphadenopathy. Presents with PAINFUL, red papule at contact site (can be multiple), that becomes a pustule, then ruptures to a deep, painful ulcer that bleeds easily and has a purulent exudate. These ulcers are highly infectious and may become multiple via autoinoculation.
Term
Chancroid
Definition
Infection caused by the gram-negative bacteria Haemophilus ducreyi
Term
Condyloma Acuminata

(genital warts)
Definition
STI spread quickly over mucous membranes and are often symmetric. Some strains are associated with cancerous changes. Present in numerous, discrete, fleshy lumps with smooth, velvety surface. may coalesce into cauliflower-like regions. difficult to treat because the latent virus exists beyond the treatment areas in clinically normal skin
Term
Condyloma Acuminata
Definition
The Human Papilloma Virus causes this genital disease
Term
Herpes Simplex
Definition
the single most prevalent STI in the US
Term
Herpes Simplex
Definition
Primary outbreak - 3-15 days after exposure, influenza-like systemic signs begin, tender lymphadenopathy occurs in the 2nd and 3rd week after initial infection. Small, painful, grouped vesicles develop at the site of contact - turn into pustules - may rupture and cause painful erosions/ulcers. lesions heal in 2-4 weeks.
Term
Herpes Simplex
Definition
This STI has the possibility of recurrent outbreaks. Subsequent outbreaks (after primary) are less sever, and have fewer, more localized lesions that heal faster.
Term
Tzanck smear will result in multinucleated giant cells
Definition
Diagnosis of herpes Simplex is based on this test and will result in...
Term
Stevens-Johnson syndrome
Definition
Full thickness epidermal necrosis/apoptosis (with relatively normal dermis) and detachment involving <10% TBSA. A severe blistering mucocutaneous syndrome involving at least 2 MM. Primary causes are infection (15%) and medications (50%). Lesions are more centrally located on face and trunk, erythematous papules and bulla, dusky appearing vesicles, purpura, and target lesions erupt acutely. Thick hemorrhagic crusts generally cover the lips.
Term
Toxic Epidermal Necrolysis (TENS)
Definition
Epidermal necrosis/apoptosis and detachment involving >30% TBSA. A rare, life threatening, mucocutaneous disease characterized by widespread blistering and sloughing of the skin and MMs. High Mortality Rate. 94% of the time is drug induced. Presents as a diffusely red "sunburn-like" tender skin with scattered targeted lesions and bullae, which coalesce resulting in widespread skin sloughing - leaving a tender, glistening, raw surface
Term
Staphylococcal Scalded Skin Syndrome (SSSS)
Definition
Exfoliation of the skin caused by the exotoxins of Staph aureus. Begins with fever, skin tenderness & widespread erythema. Within 24-48 hours widespread formation of red, fluid filled blisters that are thin walled and easily ruptured form. Blisters rupture leaving what looks like burns all over the body. Requires hospitalization and IV antibiotics.
Term
Herpes Simplex Virus
Definition
What often triggers the infection Erythema Multiforme
Term
Erythema Multiforme
Definition
Inflammatory disease characterized by target shaped skin lesions that present in a symmetric pattern on the palms, soles, backs, of hands and feet, extensor aspects of forearms and legs. Target lesions tend to burn and itch.
Term
Superficial Burn
Definition
Burn that is dry, pink to red, blanches with pressure, and is painful.
Term
3-6 days
Definition
How long does it take a superficial burn to heal?
Term
Superficial partial-thickness burn
Definition
Burn that is blistered, moist, red, weeping, and blanches with pressure. It is painful to temperature and air.
Term
1-3 weeks
Definition
How long does it take a superficial partial-thickness burn to heal?
Term
> 3 weeks
Definition
How long does it take a deep partial-thickness burn to heal?
Term
Never (if >2% TBSA affected)
Definition
How long does it take a full thickness burn to heal?
Term
Deep partial-thickness burn
Definition
Burn that blisters (easily unroofed), is wet or waxy dry, variable in color (patchy to cheesy white to red), does not blanch with pressure. It is painful to pressure only.
Term
Full Thickness Burns
Definition
Burns that are waxy white to leathery grey to charred and black in color (can be red). They are dry without blisters, inelastic, insensate, and do not blanch with pressure. They are usually painless.
Term
Staph aureus
Definition
The skin of patients with atopic dermatitis is colonized by this bacteria
Term
To diagnose Herpes Simplex
Definition
When would you use a Tzanck Smear?
Term
Lichen Planus
Definition
may be associated with chronic, active, hepatitis C
Term
Seborrheic Dermatitis
Definition
increased sebum production and abnormal immune response to the yeast Pityosporum
Term
Mild inflammatory acne
Definition
Characterized by comedones and inflammatory papules
Term
Moderate inflammatory acne
Definition
Characterized by comedones, inflammatory papules and pustules, greater # of lesions are present than in mild inflammatory acne
Term
Nodulocystic acne
Definition
comedones, inflammatory lesions, and large nodules > 5 mm in diameter. scarring often evident
Term
Staph aureus and minor trauma to site
Definition
acute paronychia thought to be caused by...
Term
Candida albicans and frequent exposure to moisture
Definition
Chronic paronychia thought to be caused by...
Term
GABHS
Definition
etiology of cellulitis
Term
GABHS
Definition
etiology of erysipelas
Term
PO antibiotics, elevation
Definition
Treatment for cellulitis
Term
Staph Aureus
Definition
etiology of impetigo
Term
Candidiasis (fungal/yeast)
Definition
antibiotic therapy predisposes someone to getting what type of infection?
Term
NO STEROIDS, use drying agents, powders, anti-fungals, barriers, let area dry out
Definition
how do you treat a fungal infection?
Term
YES
Definition
does pityriasis versicolor present with scale?
Term
Pityriasis (tinea) versicolor
Definition
A fungal infection that inhibits melanocyte function causing a pseudovitiliginous state
Term
Topical antifungals, medicated shampoo's/soaps, sunlight may accelerate repigmentation
Definition
How do you treat pityriasis versicolor?
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