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Dentistry Human Disease > Dermatology > Flashcards

Dermatology Flashcards

1
Q

What is meant by comedones?

A

Blackheads/whiteheads

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2
Q

Name a disorder of the pilosebacuous apparatus?

A

Acne vulgaris

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3
Q

What medication is used to treat acne vulgaris?

A

Vitamin A analogue

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4
Q

Define, redness of the skin caused by injury or other inflammation.

A

Erythema

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5
Q

Define, a condition characterised by dilatation of the capillaries, causing them to appear as little red or purple clusters.

A

Telangiectasia

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6
Q

What is blepharitis?

A

Where the edges of your eyelids become red and swollen

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7
Q

What skin condition may be triggered by spicy foods, alcohol, stress, temperature change or sunlight?

A

Acne rosacea

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8
Q

What is the common condition that manifests as an itchy red papules around the mouth, nose and eyes?

A

Periorifacial dermatitis

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9
Q

What treatment would worsen periorificial dermatitis?

A

Steroid creams

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10
Q

What bacteria causes impetigo?

A

Staphylococci or streptococci

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11
Q

What bacterial skin infection is contagious, presents with exudate and yellow crusting and may blister?

A

Impetigo

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12
Q

What bacterial skin infection may cause glomerulonephritis?

A

Impetigo

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13
Q

What medication should be used to treat impetigo, furunculosis and erysipelas?

A

Antibiotics

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14
Q

What is the bacterial skin infection characterised by pustular infection of the hair follicle?

A

Furunculosis

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15
Q

What bacteria is usually the cause of furunculosis?

A

Staph Aureus

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16
Q

What systemic condition could be underlying if an individual has recurring furunculosis infection?

A

Diabetes

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17
Q

What bacterial skin infection is a form of cellulitis, which is red and has a sharp line of demarcation?

A

Erysipelas

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18
Q

Name three bacterial skin infections?

A
  1. Impetigo
  2. Furunculosis
  3. Erysipelas
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19
Q

What do plane warts look like?

A

Flat and very difficult to see

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20
Q

Name five viral skin infections

A
  1. Viral warts
  2. Molluscum contagiosum
  3. Herpes simplex
  4. Herpes zoster
  5. Hand,foot and mouth
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21
Q

What are the two available treatments for viral warts?

A
  • do nothing, they may resolve spontaneously
  • gentle cryotherapy
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22
Q

What virus causes viral warts?

A

Human papilloma virus

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23
Q

What viral skin infection is caused by DNA pox virus?

A

Molluscum contagiosum

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24
Q

Molluscum contagiousm papules are described as umbilicated. What does this mean?

A

Depressed in the centre

25
Q

If an adult gets warts recurrently, what might this suggest is underlying systemically?

A

An autoimmune condition

26
Q

What types of her herpes simplex usually presents as facial lesions?

A

Herpes simplex type 1

27
Q

What is the primary presentation of herpes simplex virus in children?

A
  • acute gingivostomatitis
  • malaise
  • fever
28
Q

What factors could trigger recurrence of herpes simplex virus?

A
  • ultraviolet
  • menstruation
  • stress
29
Q

What condition can occur as a result of herpes simplex virus, in patients with atopic dermatitis?

A

Eczema herpeticum

30
Q

What is the appearance of eczema herpeticum?

A

Haemorrhagic appearance, lots of tiny dark purple papules

31
Q

What is the treatment for eczema herpeticum?

A

IV antibiotics

32
Q

What is the common name for herpes zoster?

A

Shingles

33
Q

What condition is characterised by reactivation of chicken pox virus in dorsal root ganglion?

A

Herpes zoster (shingles)

34
Q

What individuals are more likely to get shingles?-

A
  • elderly
  • immunosupressed
35
Q

Is herpes zoster, unilateral or bilateral in eruption?

A

Unilateral

36
Q

What virus causes viral hand,foot and mouth?

A

Coxsackie A virus

37
Q

Describe the presentation of hand foot and mouth syndrome?

A
  • Vesicles with red halo on hands and feet
  • erosions on mouth
38
Q

What is the treatment for a dermatophyte?

A

Topical +/- systemic antifungals

39
Q

What is the presentation of acute eczema?

A

Red, swollen, pigmented, thickened, accentuated skin markings

40
Q

What is the presentation of chronic eczema?

A

Scaly, pigmented, thickened, accentuated skin markings

41
Q

What often triggers acute eczema?

A

Heat

42
Q

Give two examples of endogenous eczema?

A
  1. Atopic eczema
  2. Seborrhoeic eczema
43
Q

Give three examples of exogenous eczema?

A
  1. Contact dermatitis
  2. Irritant contact dermatitis
  3. Photo contact dermatitis
44
Q

Define, a genetic predisposition to develop eczema, asthma and/hayfever?

A

Atopy

45
Q

Define, inflammation of the skin.

A

Dermatitis

46
Q

What are the two types of contact dermatitis?

A
  1. Irritant contact dermatitis
  2. Allergic contact dermatitis
47
Q

What are the three types of irritant contact dermatitis?

A
  1. Subjective
  2. Acute
  3. Chronic cumulative
48
Q

What type of irritant dermatitis is described:

Idiosyncratic stinging within minutes of contact to common cosmetics or sunscreen constituents

A

Subjective

49
Q

What type of irritant dermatitis is described:

Repetitive exposure to weaker “wet” or “dry” irritants.

A

Chronic cumulative

50
Q

What type of irritant dermatitis is described:

Single overwhelming exposure or a few brief exposures to string irritants or causative agents.

A

Acute

51
Q

What are the two phases of allergic contact dermatitis?

A

Sensitisation and elicitation

52
Q

What investigation is required for allergic contact dermatitis?

A

Patch testing

53
Q

Give three examples of medications that can cause photodermatitis?

A
  1. Diuretics
  2. NSAIDs
  3. Antibiotics
54
Q

What skin condition is chronic, non-inflammatory, well demarcated, with scales plaques?

A

Psoriasis

55
Q

What is the termed used to describe pre-cancerous scaly lesions on sun damaged skin?

A

Actinic keratoses

56
Q

What disease should be considered as SCC in situ, presenting as a thickened area of skin, usually on sun exposed areas?

A

Bowens disease

57
Q

What does a melanoma look like?

A

Irregular pigmentation and irregular edges

58
Q

What is another name for actinic keratoses?

A

Solar keratosis

Dentistry Human Disease (29 decks)

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