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41 Cards in this Set
- Front
- Back
what is a malignant tumor that is derived from melanocytes?
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Malignant melanoma
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what cancer is the leading cause of death under the age of 40?
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malignant melanoma
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what are the objective findings for malignant melanoma
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asymmetric, pigmented, irrregular borders, variable coloration and the diameter is usually greater than 5mm
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what are the types of malignant melanoma
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superfical spreading melanoma (flatter)
nodular melanoma - not flat and it metastisizes early to the liver and the brain. |
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what is mohs sugery
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this is when they take layer by layer off until there is no cancer left
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what is the most common malignant lid tumor
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basal cell carcinoma
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what is the most common skin cancer
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basal cell carcinoma
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what is the etiology of basal cell carcinoma
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UV light
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what is the general location for basal cell carcinoma
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50% of the time it is on the lower lids
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if you have a suspicous spot of a pt what could you do to distiguish it from an infection
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run a short coarse antibiotic steroid combo
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what is the general appearance of basal cell carcinoma
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PEARLY BORDERS, varying degrees of central umbilicated centers, rolled boarders, early forms may look like vascularized nodules.
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what location of basal cell carcinoma requires more rapid attention and why?
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the inner canthal region b/c it is more locally invasive and could eat bone and flesh
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what is the plan of attack for basal cell carcinoma
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derm consult with in 3 months
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1 in 1000 actinic keratosis turn into what?
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squamous cell carcinoma
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what is the etiology and the appearance of squamous cell carcinoma
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etiology is keratinizing epidermal cells
Dx is scab that doesnt heal, scaly plaque, thought to be on the lower lid more |
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what is the best plan for squmous cell carcinoma
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exicision
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what cancer is more common in China than in the states
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meibomian gland carcinoma
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what is the key to meibomian gland carcinoma?
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it is like a persistent recurrent meibomian gland chalazion. get a biopsy if the pt says that they have had a chalazion for 6 months to a year.
persistan bleph is also common it metastisizes early |
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a patient might all these sun spots
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actinic keratosis
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actinic keratosis is
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a pre cursor to cancer, it could turn into squamous cell carcinoma
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actinic keratosis, what is the objective finding
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rough gritty feeling you can tell that there is a layer of dermis is missing
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what is a common drug used for many skin cancers and is a cream
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imiquimod - q for 6 weeks
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what is the key to keratoacanthoma?
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it may spontaneously regress or coud turn into SCC.
there is a central core of keratin. can be anywhere more common in smokers NOT FROM THE SUN |
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you know that lentigo maligna (hutchinsons freckle) is malignant when?
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it clumps together. this is a pre cursor to malignant melanoma.
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what age group is lentigo maligna (hutchinsons freckle) usually seen in
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65 is the avg. age.
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what is the presentation of lentigo maligna (hutchinsons freckle)?
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serpiginous pigment and margins.
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what is an acrochordon
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this is a skin tag/soft wart, benign, and usually pedunculated usually found on the obese
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manegment for acrochordon
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snip it freeze it or zap it.
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what is a benign epithelial tumor that is lobulated, and may be right on the lid margin
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papilloma
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what is the plan for a papilloma if is on the lesion and if it is not.
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if it is on the margin then refere to a oculoplastic surgeon
if not then removal is an option or you could check again in 3-6 months or yearly |
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what are the barnicals of old age. that come from basal cell hyperplasia
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seborrheic keratosis
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what has hyperkeratinized plaques that look like they are floating on the skin like brown candle wax
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seborrheic keratosis
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is seborrheic keratosis related to the sun or not?
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NO
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what is flat topped violaceous papules that is a common pruitic eruption that affects 30-60 yo patients
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lichen planus
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what is the etiology of lichen planus
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it is possibly immune response, may be viral
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what is the Tx for lichen planus
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steroid creams and vitamin A orally.
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what is the name of a benign skin tumor taht is caused by HPV
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verrucae
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what is the difference b/t verrucae and papilloma?
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verrucae is considered an active papilloma that is typically seen in kids and is contagious
papilloma is usually found on the lid margins |
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what benign skin tumor is asociated with STD and HIV and is mildly contagous
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molluscum contagiosum (viral warts)
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what is the key objetive observation with molluscum contagiosum
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that it is umbilicated nodule with a central core, this central hole differentiates it from papilloma and verrucae
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what is the plan for molluscum contagiosum?
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if it is quiet leave it alone,
if there is central discharge express it excision cryo or topical salicylic acid |