Red scaly skin problems Flashcards
What is this skin condition?
What are its defining features?
Psoriasis:
- It has a silvery scale, but you may need to scratch it to note its silvery sheen.
- It is normally found on extensor surfaces such as the elbow, over the patella, on the sacrum and scalp (but can be anywhere).
What are these conditions called, and what are they associated with?
(Nail pulling off from underneath tissue).
Onycholysis (nail lifts off the nail bed) and pitting of the nails: they are associated with psoriasis.
What is this phenomenon called? and what is it associated with?
Ladys back which has been exposed to the sun and has broken out in a red rash.
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What other conditions can psoriasis increase your risk of?
Lots of crap: but maybe remember joint diseases, eye diseases and cvd.
What is guttate psoriasis?
What is inverse psoriasis? How does it differ from standard psoriasis?
What is the treatment for mild psoriasis?
What is the treatment for severe psoriasis?
Mild: Mild steroid creams for the face and flexures, strong steroid creams for short periods of time on the trunk and limbs.
Can also use tar creams.
Severe:
What is another name for seborrheic dermatitis?
What is it?
What causes it?
When it is most common?
How do you treat it?
AKA dandruff when it is in the hair follicles.
- It is an abnormal inflammatory response to the commensal yeast malassezia.
- Occurs most commonly in the nasolabial folds, medial eyebrows, medial cheeks, behind the ears and the scalp.
- Treatment doesn’t cure but suppresses: antifungals and steroids.
What is this condition?
How can you determine it is this condition?
How do you treat it?
Pityriasis rosea: Collarette of scale (peeling ring of scale a few mm from the edge). It goes away by itself in a few weeks (it may itch from nil to severe).
What is this condition?
What causes it? How do you diagnose it?
How do you treat DLE?
What is this condition?
Where is it normally found?
What is the biggest risk factor?
What causes this condition (specifically)?
Fungal infection of Trichophyton rubrum or T mentagrophytes. This occurs in 15-20% of males.
If you get fungal infection of the nail, how would you treat it?
Systemic antifungals such as terbinafine or itraconazole.
What is curious about fungal infection of the hands?
It normally only affects one hand, but in the feet both are normally affected.
It normally produces a fine powdery scale.
What is erythroderma?
Most common cause of erythroderma:
1) Eczema, 2) psoriasis 3) lymphoma and leukemia. 4) drug reaction.
What is this condition?
Erythroderma
What is eczema?
Its a generic name for dermatitis, and can be caused by many different things.
What are these conditions?
What are these conditions?
What is this condition called?
What is the treatment?
1) Moisturise
2) Topical steroids once a day (can use potent steroid to quickly reduce it, then switch to mild ones).
3) Can use phototherapy.
What causes this? whats it called?
Explain the pathogenisis of this disease. What commonly causes it?
You can do patch testing to figure out what cause it.
What is a mild steroid?
What is a potent steroid?
Hydrocortisone is weak.
Prednisone is 4-5x stronger.
