Dermatology

Question 1

What is the treatment for athletes foot?

Answer 1

1st line: topical imidazole
2nd line: oral terbinafine
(Anti-fungals)

Question 2

What is seborrhoeic dermatitis?

Answer 2

• salmon-pink, thin, scaly, and ill-defined plaques in the skin folds on both sides of the face.
• “dandruff” -> white dry looking skin in scalp

Question 3

What condition is associated with seborrhoeic dermatitis?

Answer 3

HIV

Question 4

What is treatment of seborrhoeic dermatitis?

Answer 4

• Topical anti-fungals e.g. ketoconazole

Question 5

What is treatment of fungal nail infections?

Answer 5

• Asymptomiatic - don’t treat
• Symptomatic:
  
  • limited involvement = topical treatment with amorolfine 5% nail lacquer
  • Extensive involvement due to a dermatophyte infection: oral terbinafine
  • extensive involvement due to a Candida infection: oral itraconazole

Question 6

What is the treatment of scalp psoriasis?

Answer 6

topical potent corticosteroids

Question 7

What is an autoimmune conditions that causes tense blistering on the skin which can be pruritic on extremities and trunk? And what are the 2 types and how are they differentiated?

Answer 7

Blisters/bullae
no mucosal involvement: bullous pemphigoid
mucosal involvement: pemphigus vulgaris

Question 8

What is 1st and 2nd line treatment of impetigo?

Answer 8

• Topical hydrogen peroxide
• Topical fusidic acid

Question 9

What is the most effective treatment for prominent telangiectasia in rosacea?

Answer 9

Laser therapy

Question 10

What is used to treat pityriasis versicolor?

Answer 10

Ketoconazole shampoo/ topical

Question 11

What is actinic keratoses?

Answer 11

• common premalignant skin lesion that develops as a consequence of chronic sun exposure
• small, crusty or scaly, lesions
• in sun exposed areas
• pink/red/brown

Question 12

What are common complications of seborrhoeic dermatitis?

Answer 12

Otitis externa and blepharitis

Question 13

Where are acanthosis nigricans present?

Answer 13

In axilla and groin

Question 14

In what conditions does acanthosis nigricans present?

Answer 14

• T2DM
• gastrointestinal adenocarcinoma

Question 15

How is molluscum contagiosum treated?

Answer 15

Supportive care only and advise that the child can continue attending school

Question 15

What are signs of Hereditary haemorrhagic telangiectasia?

Answer 15

• telangiectasia
• pulmonary, hepatic, cerebral and spinal AVM (arteriovenous malformation )
• Epistaxis

Question 15

How does molluscum contagiosum present?

Answer 15

pox virus and can be identified by its raised, pearly white, and umbilicated lesions

Question 16

What can exacerbate plaque psoriasis?

Answer 16

Propanolol

Question 17

How to treat psoriasis?

Answer 17

Topical steroid + topical calcipotriol (vitamin D analoague)

Question 18

What is Port-wine stains in new borns?

Answer 18

Capillary malformations seen at birth. These persist throughout life.

Question 19

What is Salmon patches in new borns?

Answer 19

congenital capillary malformations seen at birth. They are often small, flat patches of pink or red skin with poorly defined borders. These tend to resolve by 18 months of age.

Question 20

What is Infantile hemangioma in new borns?

Answer 20

benign condition due to proliferating endothelial cells. They can keep growing up to 18 months, and begins to involute over the next 3-10 years.

Question 21

What is Mongolian blue in new borns?

Answer 21

benign, macular congenital birthmarks. The discolouration usually spontaneously resolves by 4 years of age.

Question 22

Where does Pityriasis versicolor commonly affect?

Answer 22

The trunk
They are hypopigmented rashes

Question 23

How to treat keloid scars?

Answer 23

Intralesional steroid

Question 24

WHat drugs cause erythema multiforme?

Answer 24

aminopenicillins (such as co-amoxiclav), sulfonamides, carbamazepine, allopurinol, NSAIDs and the oral contraceptive pill.

Question 25

What causes pityriasis rosea?

Answer 25

herpes hominis virus 7 (HHV-7)

Question 26

What is given for moderate to severe acne?

Answer 26

Topical tretinoin + oral doxycycline

Question 27

What disease is Topical clobetasol propionate given?

Answer 27

lichen sclerosus on vulva

Question 28

What is treatment of lichen planus?

Answer 28

potent topical corticosteroids