Dermatology Flashcards
macule
a small patch of skin that is altered in colour but is not elevated.
patch
a large area of colour change, with a smooth surface.
papule
elevated, solid, palpable lesion that is ≤ 1 cm in diameter. They may be solitary or multiple
plaque
An elevated area of skin 2 cm. or more in diameter. It may be formed by a coalescence of papules or nodules. The surface area is greater than its height.
ABCDE warning signs of skin cancer
Asymmetry Boarders irregular Color Diameter greater than 6mm Every sore that does not heal, or bleeds easily
Actinic Keratosis (Solar Keratosis) is found on which parts of the body usually?
dorsal forearms, face, ears, and bald scalps
Actinic Keratosis (Solar Keratosis) description
ill defined pinkish scaling papule to patch
what types of people are at risk for Actinic Keratosis (Solar Keratosis)?
fair skin and construction workers
what can Actinic Keratosis (Solar Keratosis) turn into?
situ squamous cell carcinoma
Actinic Keratosis (Solar Keratosis) treatment
cryotherapy, topical exfoliation with Retin A Micro or Effudex, chemical peal
Most common cancer in humans?
Basal cell carcinoma (BCC)
Basal cell carcinoma (BCC) treatment
cryotherapy, ED&C, Mohs microsurgery, wide excision for larger lesions
cryotherapy
freeze, thaw, two cycles
ED&C
electrodessication and curettage
Squamous cell carcinoma (SCC) can metastasize where?
to local lymph nodes and other organs
Squamous cell carcinoma (SCC) treatment
wide excision
Lentigo Maligna begins as what?
a lentigo (sun spot) and spreads over years
Lentigo Maligna description
darker colored papules developed with the lesion
Does melanoma spread slow or fast?
fast
How is melanoma treated?
wide excision and possible sentinel node biopsy
Extramammary Padgets Disease is most commonly found in which people?
elderly
Extramammary Padgets Disease treatment
excision, often use Mohs and allow to heal by secondary intent
Mohs surgery
thin layers of cancer-containing skin are progressively removed and examined until only cancer-free tissue remains.
A rare adenocarcinoma
Extramammary Padgets Disease
Bowen’s Disease is what kind of cancer in situ?
Squamous cell carcinoma (SCC)
Bowen’s Disease often stimulates what?
inflammatory dermatitis
Bowen’s Disease usually effects which location on the body
any location including mucous membranes
Seborrheic Keratosis, Keloids, Skin tags, Dermatofibroma, Lipoma and Epidermal cysts are all what?
benign
Tinea Capitis (what is it and give description)
fungal infection of scalp
Red papules surrounded by short broken hairs, patchy baldness
TInea Pedia
fungal infection of foot
Onychomycosis
fungal infection of toenail
Tinea corporis
ringworm on the body
Tinea versicolor (Pityriasis versicolor)
fungus infection on the body that can cause hyperpigmentation or hypopigmentation
Penlac
nail polish that can treat fungal infefctions
Nizoral
anti dandruff shampoo, comes in cream and orally
what age group usually gets Pityrosporum Folliculitis?
young to middle aged
Pityrosporum Folliculitis (Malassezia furfur)
yeast infection of a follicle
Pityrosporum Folliculitis (Malassezia furfur) description
Pruritic, follicular, papulopustular
Tinea versicolor (Pityriasis versicolor) treatment
Nizoral cream, shampoo or oral
Pityrosporum Folliculitis (Malassezia furfur) treatment
Nizoral cream, shampoo or oral
extreme cases add an oral antifungal
Intertrigo
inflammatory reaction usually to candida
Intertrigo is usually found on which types of people?
Diabetics and Obese people
Intertrigo treatment
correct causative factors by use of (air conditioners, hair dryer after bathing, absorbent powders, cotton undergarments)
Topical steroids and antifungal agents if severe
Perleche (what is it and what can cause it)
sores or crusts at the corners of mouth, not contagious, cause could be vitamin deficiency
One hand two foot syndrome also known as
Tinea Pedis
Tinea Pedis treatment
vinegar soaks and topical regularly
Terbinafine is more effective than griseofulvin
Topical antifungals are not effective for which problems
Tinea Capitis and nails
What kind of fungus is Tinea Capitis
t tonsurans
Tinea Capitis usually occurs around which age group? who gets it more, male or female?
8-10 years old
Pre-pubertal boys>girls
Post-pubertal girls> boys
Tinea Capitis will have lymphadenopathy or no?
yes
what test should you do with Tinea Capitis?
culture of skin and hair shafts
Cradle cap treatment
topical olive oil once or twice a day
low potency topical corticosteroid for severe cases
Refer to Derm
Tinea Capitis treatment
Terbinafine topical for 4-8 weeks
oral available
Griseofulvin oral for 6-8 weeks
Tinea Unguium (Onychomycosis)
fungal infection of nail
paronychia
infection of tissue folds around nail
Tinea Unguium (Onychomycosis) treatment for toenails
Terbinafine for 12 weeks
Itraconazole for 4 months
Flucanazole (see specialist)
Tinea Unguium (Onychomycosis) treatment for fingernails
Terbinafine for 6 weeks
Itraconazole for 4 months
Flucanazole (see specialist)
Salicyclic acid and benzoyl peroxide is found in OTC treatments for which problem?
Acne
Tretinoin
first line treatment for acne (Retinoid)
can pregnant people have retinoids for acne?
NO
Azelaic acid
second line treatment for acne (Retinoid) if patient cant tolerate Tretinoin
Adapalene and Tazarotene
Retinoid treatment for acne
Clindamycin, Erythromycin, Dapsone
topical antibiotics for acne
Topical antibiotic adverse effects for acne
oiliness/peeling, dryness, burning, erythema
Oral antibiotics for Acne treatment
first line: Tetracycline, Doxy, Minocycline
second line: Erythromycin, Bactrim
Tetracycline, Doxy, Minocycline are used for what and what is a side effect
first line oral antibiotics for acne treatment
ALL INCREASE SUN SENSITIVITY
Erythromycin, Bactrim are used for what and what is a side effect
second line oral antibiotics for acne treatment
ROUGH ON GI SYSTEM
Drospirenone (Yaz) and Norgestimate (Cyclen, Tri-cyclen) are used for what?
acne treatment
Seborrheic Dermatitis
scaly skin seen around scalp
Seborrheic Dermatitis treatment
topical antifungals, shampoos
Ketaconazole cream, Bifonazole cream, Cicopirox shampoo are used for?
Seborrheic Dermatitis
What do we do for hyperpigmentation?
first r/o melanoma then send to derm where they can do skin bleaching
what must a patient do if they are using topical bleaching agents for hyperpigmentation?
sunscreen
Impetigo
honey colored crusted lesions on erythematous skin
Mupirocin (bactroban), Altabax topical is used for which problem?
Impetigo
How do you treat Bacterial Folliculitis?
same treatment as acne