Dermatology

Question 1

Man returned from Malaysia with this skin lesion on trunk and shoulders. Has a Hx of eczema. What is it?

a) Pityriasis alba
b) Pityriasis versicolour
c) Eczema flare

Answer 1

Versicolor

Question 2

Woman with non-healing leg wound for 6 months. Initially cut her leg on a rose bush 6 months ago, but it has not healed. She has been dressing it herself up until now. Previously had been burnt, did not require graft. What is this non-healing lesion likely to be?
SCC
BCC
Melanoma
Angiosarcoma

Answer 2

SCC

Question 3

Old man who lives on a farm with his wife has these lesions all over his back as shown in the pic above, sometimes itchy. What is the diagnosis for the majority of the lesions?
a. Seborrhoeic keratoses
b. Lipoma
c. Actinic Keratoses -
d. Dermatofibroma
e. Superficial Spreading Melanoma

Answer 3

Seborrhoeic keratoses

Question 4

Type of biopsy for skin lesion which has appeared over past 2 weeks
· Punch
· Excision
· Incision
· Shave

Answer 4

Excision

Question 5

Answer 5

Excision

Question 6

Hairdresser washing clients’ hair. Her hands had become dry up to the creases of the wrists. What is the most likely diagnosis?
Contact dermatitis
psoriasis
eczema

Answer 6

Contact dermatitis

Question 7

Ulcery thing on back of guy’s ear, what do you do? Had rolled edge in picture

Cryotherapy

· Local excision
· Reassure
· Laser therapy
· Brachytherapy
· External radiation beam

Answer 7

Local excision

Question 8

Melanoma risk
a. Childhood sunburns
b. Outdoor employment in early 20’s
c. Cousin with melanoma
d. Grandparents from ireland
e. Family history of BCC

Answer 8

Childhood sunburns

Question 9

Patient had recent infection with cold sores, now has rash on skin with target lesions. Diagnosis?

Answer 9

Erythema multiforme, hypersensitivity reaction triggered by infections – usually HSV

Question 10

Child with macula/popular rash and erythema on the cheeks

Answer 10

Erythema infectiosum

Question 11

Picture of Indian lady with big elevated mole on nose since she was little. What is it?
How do you treat it?

Answer 11

compound nevus, reassure

Question 12

Patient with Crohn’s disease, presents with skin condition large, rapidly enlarging painful sores on the legs. full-thickness ulcer with blue/purple undermined borders.

Answer 12

pyoderma gangrenosum

Question 13

Yellow/red shins with fat necrosis in a diabetic.

Answer 13

necrobiosis lipoidica.

Question 14

Dude who has a lot of stress, started when he broke up with his wife. had skin condition on scalp and forehead. Yellow
and crusty. Was better when on holiday in the Pacific Islands

Answer 14

Psoriasis - stress induced haha.

Question 15

Chronic large wound on thigh. Not healing. Ulcerated edge, has just started bleeding, grey slough.
What is it?

Answer 15

SCC - this is Marjolins ulcer

Question 16

Women with non healing wound on thigh of 9 months. Previously had a burn
there when a child that required hospitalisation but not skin grafting. What is the
diagnosis?

Answer 16

Marjolins ulcer à SCC

Question 17

Answer 17

Cafe au lait

Question 18

Girl with bad acne and wants treatment has been using face washes etc. currently uses condoms for contraception and wants to start the pill. Acne all over her face, back etc. what do you do?
a) Refer to dermatologist for retinioids
b) Doxycycline
c) Isotretinoin
d) COCP

Answer 18

COCP

Question 19

Answer 19

This is a parotid gland abscess

IV fluclox
Incise + drain after 24-48 hours if not resolving

Question 20

Woman with a fluctuant swelling in front of her ear and sore. Enlarges with meals. What investigation?
a) CT
b) FNA
c) USS
d) Core biopsy

Answer 20

Another parotid abscess

USS?

Question 21

Answer 21

Local excision

Question 22

Answer 22

Pigmented BCC - excise

Question 23

Lower back pain near tailbone. Hairy bum with dimple at top of buttock cleft. What is this?

Answer 23

Pilonodal abscess

Question 24

Answer 24

BCC

Question 25

Pigmented ulcerated lesion 4mm by 5mm 1.5cm away from eye. What’s the next step?
a) Excision biopsy by Moh’s surgery b) Cryotherapy

Answer 25

Excision biopsy by Moh’s