Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PLAB 1 August 2024 > Dermatology > Flashcards

Dermatology Flashcards

1
Q

Medication that can exacerbate psoriasis.

A

ACEi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Auspitz’ Sign

A

Superficial scraping of the lesion causes pinpoint bleed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Treatment of Psoriasis

A

First Line:
- Topical Corticosteroid
- Emollients
- Vitamin D Analogues

Second Line:
- Phototherapy (PUVA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Psoriatic Arthritis

A
  • Symmetric Polyarthritis
  • Rheumatoid Arthritis pattern, but RF NEGATIVE
  • DIP most involved
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Treatment of Psoriatic Arthritis

A

NSAIDS
DMARDs (Methotrexate, Sulfasalazine and Leflunomide)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Aspect of Plaque Psoriasis

A

Plaques, covered in Silver scales

Most common type of Psoriasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Aspect of Guttate Psoriasis:

A

Small (less than 1 cm), drop-shaped lesions

Usually dissapears completely after a few weeks. Some may go on to develop plaque psoriasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the presentations of Liquen Planus?

A

Cutaneous Liquen Planus and Oral Liquen Planus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is Erosive Liquen Planus?

A

A type of Oral Liquen Planus where, along with the striae, the patient develops painful ulcers that can last weeks or years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the presentation of Cutaneous Liquen Planus?

A

Purple
Pruritic
Papular
Polygonal Rash

Commonly seen on Flexor Surfaces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Management of Liquen Planus:

A

Symptomatic:
- Itching = Topical Steroids and Antihistamines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the presentation of Oral Liquen Planus?

A

White lacy pattern on buccal mucosa and sides of the tongue - Wickham Striae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is Cellulitis?

A

An infection of the dermis and subcutaneous tissues, that has POORLY DEMARCATED BORDERS.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Presentation of Cellulitis

A
  • Erythema
  • Warmth
  • Swelling and pain on the affected limb

Most common in the Lower Limb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Risk Factors for Cellulitis

A
  • Diabetes
  • Immunodeficiency
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Cellulitis is commonly caused by which microorganism(s)?

A
  • Streptococcus
  • Staphylococcus
17
Q

Management of Cellulitis

A

First Line:
- Flucloxacilin 500 mg QDS

Penicilin allergy:
- Clarithromycin 500 BD

MRSA:
- Vancomycin

➜ Analgesics and limb elevation

18
Q

What is Erysipela?

A

An infection of the upper dermis and upper subcutaneous tissues, with sharply demarcated borders.

Common affected areas = Face - Leg - Arm

19
Q

What is the presentation of Erysipela?

A
  • Fiery-red, indurated, tense and shiny plaque
  • Burning sensation over the affected area
20
Q

Management of Erysipela

A
  • First Line: Flucloxacilin 500mg QDS
  • Penicillin allergy: Erythomycin or Clarithromycin
  • Analgesics and Limb Elevation
21
Q

Presentation of Urticaria

A

Skin rash with red, raised and itchy bumps

22
Q

Triggers for Urticaria

A
  • Allergies: food, drugs, bee sting
  • Skin contact with latex or metals
  • Rubbing the place
23
Q

Management of Urticaria

A
  • Antihistamines: Ceterizine or Loratadine (non-sedating)
  • Calamine lotion
  • Oral Prednisolone (severe cases)
24
Q

Presentation of Malignant Melanoma

A

A: Asymmetry
B: Border Irregularity
C: Colour Irregularity
D: Diameter >/= 7 mm
E: Evolving

Risk Factors: Sun exposure; fair skin
Melanomas can be raised of flat
Melanomas sometimes are itchy and can bleed
Can occur anywhere, including areas not exposed to sun

25
Q

Management of Malignant Melanoma

A

GP Clinic:
- Refer Urgently to Dermatology

Early Stages:
- Surgical Excision

Late Stages:
- Radiation and Palliative Care

26
Q

When diagnosing a Malignant Melanoma, what parameter is most strongly correlated with prognosis?

A

Depth of Invasion (Breslow Thickness)

27
Q

What’s the most common skin cancer?

A

Basal Cell Carcinoma
* Head and Neck are most commonly involved
* Least aggressive form of skin cancer
* Often has tiny blood vessels (Telangectasias)
* Can develop a central depression
* Sometimes itchy and can bleed
* Commonly located on sun-exposed areas: face, ears, neck

28
Q

Presentation of Basal Cell Carcinoma

A

Initially: Pearly Lesion
Later: Rodent Ulcer with an indurated and rolled edge and ulcerated center

Sun exposure is a risk factor

29
Q

Management of Basal Cell Carcinoma

A

Surgical Excision
Mohs’ Micrographic Surgery

PLAB 1 August 2024 (32 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions