Condition- Psoriasis Flashcards
What is psoriasis?
Chronic inflammatory skin condition
List some of the complications of psoriasis
Psoritic Arthritis, CVD
List some risk factors leading to the development of psoriasis
- FHx
- CS rebound phenomenon
- skin trauma, stress
- smoking
- alcohol
- strep infection (GAS)
Which type of psoriasis is this? State some of the characteristic feaures. What causes this to develop?
Guttate psoriasis
- raindrop lesions over the trunk.
- Preceded by Strep inection (sore throat a week prior to this)
Which type of psoriasis is this? State some of the characteristic feaures.
Plaque psoriasis
Well demarcated erythematous lesion with silver/white scales.
Which part of the body is this type of psoriasis usually found?
Plaque psoriasis
usally found on extensor surfaces = knee, elbow, scalp, sacrum
Where is this type of psoriasis usually found?
Flexural psoriasis
in body folds (axilla, groin, peri-anal)
What type of psoriasis is this?
Pustular/ Palmo-plantar psoriasis
What type of psoriasis is this? What are some of its effects on the body?
Erythrodermic psoriasis
- dysregulation of thermoregulation and electrolyte balance.
- Intereferes with barrier function
- REQUIRES HOSPITALISATION
What tends to cause Erythrodermic psoriasis?
Cessation of Systemic CSs (CS rebound phenomenon)
List three nail signs of Psoriasis
- Pitting
- Oncholysis
- Subungual Keratosis
What is Auspitz sign?
A sign of psoriasis- pinpopint bleeding on removal of a scale
What is Koebrier’s phenomenon?
A sign of psoriasis- the developments of lesions at sites of trauma/scars
State three joint complications of psoriasis
- oligoarthritis
- dactylitis
- spondylitis
Which investigations might you conduct on someone with guttate psoriasis?
Throat swab, anti-streptolysin-O titre