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Finals round 2 lol > Derm > Flashcards

Derm Flashcards

1
Q

Treatment of acne rosacea

A
  1. Brimonidine gel
  2. Topical ivermectin
  3. Topical ivermectin + oral doxycycline
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2
Q

Fungal nail infection treatment

A
  1. topical amorolfine
  2. Oral terbinafine
  3. Oral itraconazole
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3
Q

schistosomiasis treatment

A

Praziquantel

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4
Q

What condition can casue livido reticularis

A

SLE

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5
Q

recent viral illness following by herald patch

A

pityriasis rosea: self-limiting

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6
Q

rash seen in lyme disease + treatment

A

bulls eye (erythrema migrans)
oral doxy

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7
Q

What is erythema nodusum

A

painful red lesions, due to inflammation of the subcutaneous fat, commonly occurring in the shins.

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8
Q

what is pompholyx eczema

A

type of eczema which affects both the hands (cheiropompholyx) and the feet (pedopompholyx).
triggered by humidity

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9
Q

what is erythema marginatum

A
  • annular erythematous macules or papules that spread outwards with central clearance
  • not itchy or painful and may be asymptomatic.
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10
Q

skin manifestations of SLE

A

photosensitive ‘butterfly’ rash
discoid lupus
alopecia
livedo reticularis: net-like rash

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11
Q

BCC features

A
  • rolled edges
  • central depression
  • pearly, flesh-coloured papule with telangiectasia
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12
Q

impetigo treatment

A
  • hydrogen peroxide 1%
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13
Q

what can exacerbate plaque psoriasis

A

trauma
alcohol
drugs: beta blockers, lithium, antimalarials (chloroquine and hydroxychloroquine), NSAIDs and ACE inhibitors, infliximab
withdrawal of systemic steroids

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14
Q

most common site for venous ulceration

A

medial malleous

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15
Q

why are antivirals give in shingles

A

reduce post-hepatic neuralgia

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16
Q

Koebner phenomenon

A

lichan planus

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17
Q

treatment of lichen planus

A

potent topical steroids (topical clobetasone butyrate)
benzydamine mouthwash or spray is recommended for oral lichen planus

18
Q

long term management of psoriasis

A

topical vitamin d analogue

19
Q

urticaria treatment

A
  1. non-sedating antihistamine
  2. sedating antihistamine
  3. pred
20
Q

molluscum contagiosum features

A

pink/pearly white papules with central umbilication

21
Q

seborrhoeic dermatitis associations

A

otitis externa and blepharitis

22
Q

shingles analgesia

A
  1. paracetamol and NSAIDs
  2. neuropathic agents (e.g. amitriptyline)
  3. oral corticosteroids
23
Q

causes of erythema nodusum

A

NO - idiopathic
D - drugs (penicillin sulphonamides)
O - oral contraceptive/pregnancy
S - sarcoidosis/TB
U - ulcerative colitis/Crohn’s disease/Behçet’s disease
M - microbiology (streptococcus, mycoplasma, EBV and more)

24
Q

scabies close contacts treatment

A

2 doses of permethin 1 week apart

25
Q

herald patch followed by erythematous, oval, scaly patches

A

pityriasis roseace

26
Q

prominent telangtascia in acne rosacea

A

laser therapy

27
Q

how does pyoderma gangrenosum present

A

initially small red papule
later deep, red, necrotic ulcers with a violaceous border

28
Q

spider naevi causes

A

liver disease
COCP
Pregnancy

29
Q

erythema nodusum causes

A

infection
- streptococci
- tuberculosis

systemic disease
- sarcoidosis
- inflammatory bowel disease
- Behcet’s
- malignancy/lymphoma

drugs
- penicillins
- sulphonamides
- combined oral contraceptive pill

pregnancy

30
Q

causative organism for pityriasis versicolour

A

Malassezia furfur
also causes seborrheic dermatitis

31
Q

scabies features

A

widespread pruritus
linear burrows on the side of fingers, interdigital webs and flexor aspects of the wrist

32
Q

which long term condition is associated with sebborhoeic dermatitis

A

HIV/Parkinsons

33
Q

facial hirsutism treatment

A

Topical eflornithine

34
Q

important questions in history for atopic dermatitis

A

Family history of atopy (asthma, eczema, allergic rhinitis, hay fever)
Personal history of other atopic disease
Sleep disturbance due to itch
Effect of previous treatment on patient
Aggravating and relieving factors

35
Q

signs in atopic dermaitis

A
  • flexure areas affected
  • lichenification
  • keratosis pilaris
36
Q

psoriasis features

A
  • well-demarcated, silver scale, salmon pink plaques
  • extensor surfaces, scalp, torso
  • Nail Changes → onycholysis, pitting
37
Q

why are topic steroids not first line in psoriasis

A

Local → skin thinning, striae, easy bruising/fragility, ↑ risk of skin
infection, steroid acne
Systemic → adrenal suppression, Cushing’s Syndrome
Risk of developing unstable psoriasis with potent corticosteroids when treatment is stopped

38
Q

what drug may dermatologist start for psoriasis

A

Drug → Methotrexate, Ciclosporin, Acitretin, Fumaric Acid
Side Effect → Pancytopenia/ Liver Cirrhosis

39
Q

4 types of melanoma

A
  1. Superficial spreading (young people)
  2. Nodular (worst prognosis, bleeds/oozes)
  3. Lentigo maligna
  4. Acral lentiginous (nails, palms, soles)
40
Q

lichen planus features

A

polygonal,
pruritic (itchy),
planar (flat-topped),
papular lesions
‘purple’

5 Ps

Finals round 2 lol (24 decks)

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