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Resp > Derm > Flashcards

Derm Flashcards

1
Q

6 types of arthritis associated with psoriasis

A
  1. Monoarthiritis
  2. Arthritis mutilans
  3. Dactylitis
  4. Distal asymmetrical oligoarthritis
  5. Symmetrical polyarthritis (RhA)
  6. Spondylitis
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2
Q

Gluttate psoriasis is associated with what

A

Streptococcal inventions

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3
Q

Tx for glutamate psoriasis

A

Resolves spontaneously usually

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4
Q

Erythrodermic psoriasis

Triggers and complications

A

Triggers: drugs, infections, low calcium, withdrawal from steroids

Complications: dehydration, HF, hypothermia, infection, death!

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5
Q

Erythrodermic Psoriasis Tx

A

Hospitalisation
IV fluids
Temperature regulation
Emollients

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6
Q

Central ulceration

A

BCC

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7
Q

Malignant melanoma diagnosis and staging

A
  1. Dermatoscope
  2. Excise with 2-3mm margins
  3. Pathological diagnosis –> immunohistochemical stains

Staging: breslows thickness

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8
Q

Keratinocytes proliferation

A

SCC

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9
Q

In situs SSC

A

Bowens disease non malignant

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10
Q

Small pimple, but with hard keratinous core

A

Keratocanthoma

This is v rapidly growing and regressing

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11
Q

SSC

A

Sometimes have cutaneous horn. Main RF: solar keratinosis

Grow over a few weeks, may ulcerate and are tender to touch

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12
Q

5 conditions with erythema nodosum

A 
IBD
Sarcoidosis 
Bechets 
TB 
Strep throat
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13
Q

Pyoderma gangrenosum is associated with

A

IBD

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14
Q

Dermatitis herpetiformis is associated with and presents where on the body

A
  • Coeliac

- buttock, elbows and lower back

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15
Q

Causes of erythema multi forms

A
  1. Infection - HSV, mycoplasma

2. Drugs -Abxs and NSAIDs

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16
Q

What is erythema multiformes distribution? And what does it involve?

A

Starts at periphery to the trunks

Involves mucous membranes

17
Q

Ulcers in mouth and on lips

Fever and sore throat perceed this skin condition mainly caused due to drug reactions

A

Stevens Johnson syndrome

Epidermis separating from the dermis :(

18
Q

Which skin condition also presents with conjunctivitis in 30% of cases

A

Stevens Johnson syndrome

19
Q

Small vessel vascular is IgA

Preceded by streptococcal throat infection

A

HSP

20
Q

Triad for HSP

A
  1. Abdo pain
  2. Arthritis
  3. Pupura
21
Q

40% of cases have a kidney involvement and haematuria with this condition.

A

HSP –> 1% of pts go on to develop CKD

22
Q

What is mollusc contaginosum caused by?

What does it look like?

A 
Chicken pox (pox virus) 
Small, firm papule with dimple in the middle
23
Q

Erythematous, blanching, odematous, puritic lesions

A

Urticaria

24
Q

More common in kidney transplant patients

A

SCC due to increased immunosupression

SSC metastasize usually to lymph nodes unlike BCC

25
Q

Tx of SCC

A
  1. Excision

2. Where excision is not possible use radiotherapy

26
Q

Acanthos Nigrans Associations

A

This rash is associated with insulin resistance
(diabetes), Cushing’s syndrome, acromegaly, polycystic ovarian syndrome,
lymphomas and adenocarcinomas of the gastrointestinal tract.

27
Q

Skin Change Association in beast cancer

A

Paget’s disease: scaly,

eczematous rash on the nipple

28
Q

Skin Change Association in pancreatic cancer

A

thrombophlebitis migrans- recurrent thrombophlebitis in different parts of the body

29
Q

Skin Change Association in oesophageal cancer

A

tylosis - hyperkeratosis of the palm and soles

30
Q

Skin Change Association in lung and breast cancer

A

dermatomyositis - purple rash on eyelids and scaly pink rash on knuckles

31
Q

Skin Change Association in glucagonoma

A

necrolytic migratory erythema - blistering

erythematous rash of buttocks, groin and legs

32
Q

Skin Change Associations in diabetes

A
  • Diabetic dermopathy: presence of depressed pigmented scars in the shin.
    -necrobiosis lipoidica diabeticorum (shiny, atrophic
    yellowish–red plaques on the shins)
    -cheiroarthropathy (a sclerodermalike
    thickening of the skin of the hands in insulin-dependent diabetics),
  • granuloma annulare (small, papular lesions arranged in a ring and found on the back of the hands or feet)
  • acanthosis nigricans.
33
Q

Erythema ab igne

A

is a brown, lacy rash seen on skin that has been exposed to
heat for long periods of time. It classically develops in hypothyroid patients
who are cold and spend a lot of time in front of the fire. Excessive hot water
bottle use can also result in the rash.

34
Q

plaque psoriasis is usually where

A

extensor surfaces

35
Q

you get localised psoriasis where?

A
  • scalp

- plantopalmar surfaces –> keratoderma can develop here (thickening of the skin)

36
Q

telangactesia and central ulceration

A

BCC - mutation in PTCH1

37
Q

skin cancer in darker skin types

A

SCC

38
Q

what is a sebaceous cyst

A

cyst from a blocked hair follicle

Resp (13 decks)

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