Dermatology Flashcards

1
Q

What does a basal cell carcinoma look like?

A

Slow growing lesion, pearly indurated edges, pink, not usually ulcerated

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2
Q

If you suspect a BCC, what is the management?

A

Routine referral to dermatology for excision

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3
Q

What does a squamous cell carcinoma look like?

A

Large centrally ulcerated area, sometimes with a rolled edge

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4
Q

If you suspect an SCC, what is the management?

A

2ww referral for excision, as more likely to metastasise than a BCC

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5
Q

What are the 3 major criteria in the weighted 7 point checklist for skin lesion assessment?

A

Change in size
Irregular shape or border
Irregular colour

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6
Q

What are the four minor criteria in the weighted 7 point checklist for skin lesions?

A

Diameter 7mm or more
Inflammation
Oozing or crusting of lesion
Change in sensation

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7
Q

Rough, raised, scaly lesion in sun exposed area. What is the likely diagnosis and what are the potential options for management?

A

Actinic keratosis

Treatment options = fluorouracil, cryotherapy, topical diclofenac

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8
Q

Pt presents with a 2/7hx of vesicular rash around bottom of ribs on R side of body. Reports feeling unwell for a couple of days before the rash appeared.
Based on the likely diagnosis, what is the management?

A

Likely to be shingles

Treat with acyclovir 800mg 5x daily for 7/7 within 72hrs of rash onset

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9
Q

A parent brings their 2yr old daughter in with a rash on her cheek on one side of the face. The rash has a honey-coloured crust.
What is the likely diagnosis?

A

Impetigo

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10
Q

Pt presents with a rash on their legs, formed of red spots with surface pustules. The spots are tender on pressure. What is the likely diagnosis?

A

Folliculitis

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11
Q

What is the management for genital herpes?

A

If initial presentation: HIV blood test, refer to sexual health for full screen.
Give aciclovir for 5-10 days, starting up to 5 days after onset of herpes.
Prophylactic aciclovir if having >6 flares a year

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12
Q

A parent brings their child in - they have a 2/7 hx of small red spots across their whole body. The parent says they had strep throat last week.
Given the likely diagnosis, what is the management?

A

Likely scarlet fever.

Give penicillin V for up to 10 days, and advise parent to give Calpol for fevers, and other supportive management advice

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13
Q

A 14 y/o presents with a rash formed of small scaly oval red patches on her back and chest. She says she’s noticed one patch on her back that is larger than the others.
What is the likely diagnosis, and what is the management?

A

Pityriasis rosea

No treatment - usually resolves itself in 6-10 weeks

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14
Q

A sporty 11 y/o presents with annular lesions with a hypo pigmented centre in his natal cleft.
What is the likely diagnosis and what is the management?

A

Ringworm

Treat with Daktacort, and give hygiene advice for the household - eg. no towel sharing

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15
Q

What is intertrigo, and what is the first line treatment?

A

Sweat rash usually found in flexures - inflamed, red rash, can crack/peel
Treated with Daktacort

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16
Q

What is scabies, and what is the first line treatment?

A

Mite infection - itchy burrows in webbed spaces, arms and legs.
First line tx is topical permethrin (leave on for 12 hrs, wash off, and then repeat treatment in 7/7)

17
Q

What is the systemic treatment for fungal nails, and which blood test do you need to do beforehand and after 6/52?

A

Terbinafine

LFTs

18
Q

What is the treatment for tinea versicolour, and how does it present?

A

Ketoconazole shampoo used as body wash

Areas of hypopigmentation, usually on chest

19
Q

A mother presents with her 5 y/o child, who has a cluster of pearlescent nodules on her abdomen.
What is your management plan given the likely diagnosis?

A

Molluscum contagiosum

Advise mother that they will resolve themselves in a few months, and to leave them alone.