Dermatology Flashcards
What sign is shown here?
Leser Treslat is where there is multiple eruptions of seborrhaic dermatoses which is a sign of GI adenocarcinomas or genitourinary cancers
What is acanthosis nigricans?
Darkened skin linked to obesity/ diabetes and may be associated with GI adenocarcinomas
What are the different terms to describe skin lesions?
Macule <0.5cm
Patch >0.5cm
Vesicle <0.5cm, blister or bulla >10cm
Papule <0.5cm or nodule >0.5cm solid
What is Koebner’s phenomenon?
The Koebner phenomenon describes skin lesions which appear at the site of injury.
What is Nikolsky’s sign?
The sign is present when slight rubbing of the skin results in exfoliation of the outermost layer
What is Auspitz sign?
Auspitz’s sign is the appearance of punctate bleeding spots when psoriasis scales are scraped off
How is a skin exam carried out?
Distribution
General inspection
Shape
Colour
Configuration
Elevation
Palpation
Secondary lesions
Systemic exam
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What are the types of melanocytic naevi?
Junctional
Compound
Intradermal
What are the types of melanoma?
What are the types of skin cancer?
Compare and contrast squamous cell carcinoma and basal cell carcinoma
What are the triggers for psoriasis?
Stress, infection, skin trauma, drugs, alcohol, smoking, obesity, and climate
What are some types of psoriasis?
What is the DLQI?
DERMATOLOGY LIFE QUALITY INDEX (DLQI)
How can the severity of psoriasis be tested?
Psoriasis Area and Severity Index (PASI) is the most widely used tool for the measurement of severity of psoriasis
How is psoriasis treated?
Vitamin D analogue + steroids
Phototherapy
Non biological therapy: methotrexate, ciclosporin, acitrenin
Biological adalimumab and ustekinumab
What is shown here?
Guttate psoriasis
What is shown here?
Pityraisis rosacea
What is pityriasis rosacea?
. Chiefly, an association has been found between pityriasis rosea and human herpesvirus (HHV), in particular, HHV-6 and HHV-7.
What are some treatments for eczema?
Emollient (3-4 times a day) like QV cream
Soap substitutes like dermol
Corticosteroids
Tacromilus
Dapilimumab
Antihistamines
Avoid irritants
What are the different corticosteroids from least potent to most potent?
Hydrocortisone
Eumovate
Betnovate
Dermovate
How should steroids be applied?
1 FTU (5mm) = 2 palm surfaces