Derm

Question 1

Seborrheic Keratosis

• Describe
• Do these lesions need to be removed? Why or why not?

Answer 1

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

Question 2

What is the most common type of skin cancer and describe it

Answer 2

Basal cell carcinoma. Shiny, waxy, pearly, with telangectasia (visible blood vessels)

Tx: biopsy and refer to derm

Question 3

Eczema

• Its other name
• Describe
• Tx

Question 4

2 main bacteria that cause impetigo

Answer 4

1. Strep pyrogenes

2. Staph aureus

Question 5

Main difference in treatment of bullous and non bullous impetigo

Answer 5

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

Question 6

Rubeola

Answer 6

rubeoLa - measeLs- KopLik’s spots (1 “L” )

Think about the 3 C’s cough, conjunctivitis, congestion (coraza)

Question 7

Rubella

Answer 7

“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

Question 8

Roseola (aka 6th disease)

Answer 8

rash after fever, rose colored blanchable papules on trunk then spreads, cervical adenopathy, when rash appears kid is no longer contagious

Question 9

Fifth’s Disease/Erythema Infectiosum

Answer 9

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

Question 10

Hand, foot and mouth disease/

Answer 10

sore throat, fever 1-2 days then rash/ulcers start in the mouth and spread to hands and feet, vesicle formation, peeling skin

Question 11

Tinea is a also known as “______”
How do we treat fungal infections?
Tinea corporis is located on the _____

Answer 11

Tinea aka ring worm is tx with antifungals
(-azoles)
Tinea corporis is located on the body

Question 12

Tinea barbae is located on the

Answer 12

beard

Question 13

Tnea cruris is located on the

Answer 13

groin

Question 14

Tinea pedis is located on the

Answer 14

foot

Question 15

Tinea versicolor is located….

Answer 15

all over the body

Question 16

pin worm is also known as _____
dx
tx

Answer 16

ring worm aka Enterobiasis

dx: with scotch tape test
tx: mebendazole or albendazole

Question 17

Lichen Planus

Answer 17

• 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

Question 18

Lichen sclerosus

Answer 18

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

Question 19

Lichen Simplex Chronicus

Answer 19

D/t repetative scratching -common with eczema d/t scratch, itch, cycle

Question 20

Auspitz sign

Answer 20

pinpoint bleeding

Question 21

Koebner

Answer 21

when plaques form over old plaques with trauma

Question 22

used to tx Bell’s Palsy

Answer 22

Acyclovir

Question 23

Erysipilis
Distinguishing factors
Tx

Answer 23

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

Question 24

bullous impetigo. Which bacteria is the likely cause?

Answer 24

Staphylococcus aureus