wk 3- derm

Question 1

types of bacterial skin infections (7)

Answer 1

1. cellulitis
2. erysipelas
3. erythrasma
4. folliculitis
5. furuncles
6. pitted keratolysis
7. impetigo

Question 2

define cellulitis, symptoms

Answer 2

lower dermis and subcutaneous tissue bacterial infection which can lead to bacteremia (in the blood) and become life threatening

red
painful, swollen skin
w or w/o systemtic symptoms like fever, chills, shakes

Question 3

define erysipelas, symptoms, treatment

Answer 3

superficial form of cellulitis. Upper dermis extending into the superficial cutaneous lymphatics bacterial infection

red, shiny
painful, swollen skin
w or w/o systemic symptoms

Question 4

define erythrasma, symptoms, treatment

Answer 4

superficial bacterial infection that affects skin folds (groin, between toes, behind knee)

pink or brown patches with scaling and fissures

Question 5

define folliculitis, symptoms, treatment

Answer 5

bacterial infection, blockage or irritation of the hair follicule

clusters of small red bumps around hair, can be pus filled blisters (similar to pimples)

Question 6

define furuncles, symptoms, treatment

Answer 6

similar to folliculitis but a deeper bacterial infection of the hair follicule

small pocket of pus forms causin a boil like appearance
red, swollen areas of hair

Question 7

define pitted keratolysis, symptoms and treatment

Answer 7

superficial bacterial infection

crater like pits and malodour

Question 8

define impetigo, symptoms and treatment

Answer 8

contagious superficial bacterial infection of the epidermis

red
itchy sores
yellow scabs/blisters

treatment:
1. topical antibiotics
2. oral antibiotics

Question 9

Types of bacteria that causes cellulitis

Answer 9

Strep pyogenes 2/3 of cases
Staph aureus 1/3

Question 10

What bacteria causes erysipelas

Answer 10

Strep pyogenes

Question 11

Treatment for cellulitis

Answer 11

1. Antibiotics
2. Analgesia
3. Water/fluids

Question 12

Treatment for erysipelas

Answer 12

1. Cold packs
2. Analgesics
3. Elevation
4. Compression stockings
5. Wound care- saline dressings
6. Antibiotics- penicillin 10-14 days

Question 13

Bacteria causing erthrasma

Answer 13

Corynebacterium minutissimum

Question 14

Erythrasma treatment

Answer 14

Antiseptic or topical antibiotics
1. Benzoyl peroxide
Or
2. Clindamycin

If extensive infection
3. Oral antibiotics (erythromycin/tetracycline)

Question 15

Bacteria causing folliculitis

Answer 15

Staph aureus

Question 16

Folliculitis treatment

Answer 16

1. Antiseptic cleanser
2. Antibiotic ointment
3. Antibiotic oral medication if widespread

Question 17

Boil is also called a

Answer 17

Furuncle

Question 18

What bacteria causes boils

Answer 18

Staph aureus

Question 19

Treatment of boils

Answer 19

1. Antiseptic or antibacterial soap, daily for a week, then twice weekly for several weeks
2. Topical antiseptic / gauze
3. Oral antibiotics - penicillin
4. Swab if not responsive- MRSA

Question 20

Bacteria causing pitted keratolysisq

Answer 20

Corynebacteria

Question 21

Treatment of pitted k

Answer 21

1. Topical antibiotics - clindamycin
2. Antiseptics- benzoyl peroxide

Question 22

Impetigo , symptoms

Answer 22

Superficial, contagious bacterial infection

Pustules and honey coloured crusted erosions

Question 23

Bacterial causing impetigo

Answer 23

Staph aureus
Strep pyogenes

Question 24

Treatment of impetigo

Answer 24

1. Topical antibiotic- clindamycin, erythromycin
2. Oral antibiotics - for bullous impetigo or widespread non bullous (more than 3 lesions), when topical fails, high risk complications, systremically unwell, flucloxacillin

Question 25

Viral warts

Answer 25

Caused by HPV infection Infection proliferates from basal layer to epidermis with keratinocytes and hyper keratosis

Question 26

Symtoms of viral wart

Answer 26

Lateral compression pain Pin point bleeding Callous

Question 27

HPV types

Answer 27

1, 2, 3, 4

Question 28

Wart treatment

Answer 28

1. Salicylic- less painful, less expensive 2. Silver nitrate 3. Cryotherapy After debridememt to remove and alarm body there’s an infection

Question 29

Oral tinea therapy when

Answer 29

1. Widespread or established 2. Failed with topical 3. Recurs 4. Inappropriately treated with cortico 5. Scalp, palms soles 6. Inflammatory, hyperkeratotic, pustular

Question 30

Topical treatment for tinea

Answer 30

1. Terinabine - once/twice daily for 2 weeks 2. Bifaconazle / ketaconazole - once daily for 4 weeks 3. Others are 2/3 times daily

Question 31

Oral therapy for tinea

Answer 31

1. Terbinafine - once daily for 2 weeks 2. Fluconazole- once weekly for 6 weeks 3. Itraconazole - once daily 4 weeks 4. Grisofulvin- once daily 8-12 weeks

Question 32

Onchomycosis oral therapy

Answer 32

1. Terbinafine - once daily 2. Fluconazole - once daily 3. Itraconazole- twice daily for 1 week 4. Gris - once daily Until clearance

Question 33

Dermatitis in SOC

Answer 33

Hyper/hypopigmentation

Question 34

Psoriasis treatment

Answer 34

1. NSAIDS 2. Corticosteroids topical 3. Salicylic 4. Light therapy 5. DMARDS if severe

Question 35

Melanoma

Answer 35

Malignancy of melanocytes

Question 36

Diagnosis of melanoma

Answer 36

A- symmetry B- border irregularity C- colour variation D- diameter >6mm E- evolving / growing/ changing Skin biopsy

Question 37

Basal cell carcinoma

Answer 37

Slow growing Ulceration Blood vessels crossing Surface Commonly on face, shoulders,trunk

Question 38

SCC

Answer 38

Red Scaley Grow from sun spots Fast growing

Question 39

Features of venous ulcer

Answer 39

Medial gaiter area Shallow Painless Sloughy

Question 40

Arterial ulcer features

Answer 40

Painful Distal/bony prominence Puncture

Question 41

Pyoderma gangrenosum

Answer 41

Chronic, progressive necrosis of skin