Derm Flashcards
Seborrheic Keratosis
- Describe
- Do these lesions need to be removed? Why or why not?
Soft, wart like fleshy growths - mostly on back, trunk. Look “pasted on” Appear in middle age and older people.
These are benign and the pt can be given reassurance.
Think: “Seb” = oil, “kerat” = horn
What is the most common type of skin cancer and describe it
Basal cell carcinoma. Shiny, waxy, pearly, with telangectasia (visible blood vessels)
Tx: biopsy and refer to derm
Eczema
- Its other name
- Describe
- Tx
2 main bacteria that cause impetigo
- Strep pyrogenes
2. Staph aureus
Main difference in treatment of bullous and non bullous impetigo
Bullous: tx w/ oral antibiotics d/t large bullae that form -Augmentin or Doxy
Non - bullous: Mupirocin (aka Bactriban) ointment - aka topical abx usually good enough
Rubeola
rubeoLa - measeLs- KopLik’s spots (1 “L” )
Think about the 3 C’s cough, conjunctivitis, congestion (coraza)
Rubella
“aka 3 day measels”, pink rash, starts on face and moves to the rest of the body, cervical adenopathy, problem for pregnant mom’s who are not immune
Roseola (aka 6th disease)
rash after fever, rose colored blanchable papules on trunk then spreads, cervical adenopathy, when rash appears kid is no longer contagious
Fifth’s Disease/Erythema Infectiosum
Caused by Parvovirus B19
Distinguishing factors: slapped cheeks appearance, lacey net like rash on body, if mom is not immune can be a problem for pregnant women
Hand, foot and mouth disease/
sore throat, fever 1-2 days then rash/ulcers start in the mouth and spread to hands and feet, vesicle formation, peeling skin
Tinea is a also known as “______”
How do we treat fungal infections?
Tinea corporis is located on the _____
Tinea aka ring worm is tx with antifungals
(-azoles)
Tinea corporis is located on the body
Tinea barbae is located on the
beard
Tnea cruris is located on the
groin
Tinea pedis is located on the
foot
Tinea versicolor is located….
all over the body
pin worm is also known as _____
dx
tx
ring worm aka Enterobiasis
dx: with scotch tape test
tx: mebendazole or albendazole
Lichen Planus
- Commonly seen other immune disorders (UC, vitiligo, and Myasthnia Gravis (stress or infection can bring it on)
- commonly found on flexor surfaces, mouth, genitalia
- red /purple flat top bump/white lacey appearance if on mucous membrane in mouth
- usually self resolving, topical steroids and antihistamines can be used
Lichen sclerosus
usually white and lacey looking, common in post menopausal women on vulva/genitalia, itchy bleeding, not contagious but likely to come back, may develop into SCC and women are at a higher cancer risk
Lichen Simplex Chronicus
D/t repetative scratching -common with eczema d/t scratch, itch, cycle
Auspitz sign
pinpoint bleeding
Koebner
when plaques form over old plaques with trauma
used to tx Bell’s Palsy
Acyclovir
Erysipilis
Distinguishing factors
Tx
A well demarcated rash that may be raised or have a central clearing. Ear involvement is a distinguishing symptom when deciding between cellulitis and erysipelas as cellulites involves deeper dermis and the ear doesn’t contain that type of tissue
Tx: k-flex or PCN
bullous impetigo. Which bacteria is the likely cause?
Staphylococcus aureus
