skin pathology Flashcards
(12 cards)
1
Q
what are the infectious disorders?
A
- impetigo
- erysipelas
- necrotizing fascitis
- acne
- ringworm
- sporotrichosis
- verruca vulgaris
- herpes simplex
- molluscum contagiosum
- erythema multiforme
- scabies
2
Q
impetigo
- cause
- at risk
- manifestation
A
impetigo
- cause: staph. aureus or strep pyogenes
- at risk: children
- manifestation: crusty pustules on face
how to remember:
impetigo = pet
children are at risk because they pet animals and then touch their face and get crusty pustules on their face
3
Q
erysipelas
- cause
- at risk
- manifestation
A
erysipelas
- cause: strep A
- at risk: any
- manifestation: sharply circumscribed erythematous plaque on face/scalp
how to remember
erysipelas = “e’ry” body can get this
4
Q
necrotizing fasciitis
- cause
- at risk
- manifestation
A
necrotizing fasciitis
- cause: many potential organisms
- at risk: children
- manifestation: redness, pain evolving into gangrene
5
Q
acne
- cause
- at risk
- manifestation
A
acne
- cause: proprionibacterium acnes
- at risk: variable
- manifestation: sebaceous glands get plugged and inflamed, resulting in comedones (blackheads) and pustules
vulgaris: younger
rosaceae: central part of face
6
Q
ringworm (tinea)
- cause
- at risk
- manifestation
A
ringworm (tinea)
- cause: fungi (not a worm)
- at risk: children
- manifestation: red, inflamed, scaly round lesions
7
Q
sporotrichosis (gardeners disease)
- cause
- at risk
- manifestation
A
sporotrichosis
- cause: sporotrichum schenckii
- at risk: any
- manifestation: painless papule, then open sore
8
Q
verruca vulgaris (common wart)
- cause
- at risk
- manifestation
A
verruca vulgaris
- cause: human papilloma virus
- at risk: any
- manifestation: small, rough growth resembling a cauliflower or blister
9
Q
herpes simplex
- cause
- at risk
- manifestation
A
herpes simplex
- cause: HSV
- at risk: any
- manifestation:
- HSV 1: usually cold sores
- HSV 2: usually genital herpes
10
Q
erythema multiforme
- cause
- at risk
- manifestation
A
erythema multiforme
- cause: usually HSV, sometimes drug induced
- at risk: any
- manifestation: target lesions or vesicles on skin and mucous membranes
“stevens-johnson”
11
Q
molluscum contagiosum
- cause
- at risk
- manifestation
A
molluscum contagiosum
- cause: poxvirus (MCV)
- at risk: any - very contagious
- manifestation: centrally umbilicated (red) papules
“water warts”
12
Q
scabies
- cause
- at risk
- manifestation
A
scabies
- cause: sarcoptes scabei
- at risk: any, more common in children
- manifestation: itchy rash on hands/wrist, abdomen/groin
