Dermatology ๐จ๐ผโโ๏ธ Flashcards
what is psoriatic arthritis
inflammatory arthritis affecting joints and connective tissue and is associated with psoriasis of skin or nails
โpencil in cupโ radiological feature
mx of psoriatic arthritis
NSAIDs and DMARDs
1st and 2nd line systemic treatment for psoriasis
1st - methotrexate
2nd - ciclosporin
what nail deformities are associated with psoriasis
nail pitting
leukonychia
onycholysis
are systemic retinoids teratogenic? Should they be prescribed in pregnancy or during breastfeeding
yes they are teratogenic so NO should not be prescribed
features of acne rosacea
common
chronic
facial flushing covering usually cheeks, nose, chin and forehead
usually presents in ages 30-60 and females
how does acne rosacea present
red rash consisting of papule and pistules on an erythematous background
what exacerbates rosacea
facial flushing causing factors like eating spicy foods, hot weather, sun exposure, stress etc
mx of rosacea
general therapies like sunscreen, camouflage cream
topical treatments like azelaic acid, brimonidine and ivermectin
topical antibiotics like metronidazole
urticaria
hives
what is psoriasis
chronic autoimmune disease characterised by well-demarcated, erythematous, scaly plaques
Cutaneous clinical features of chronic plaque psoriasis
Itchy, well-demarcated circular-to-oval bright red/pink elevated lesions (plaques) with overlying white or silvery scale, distributed symmetrically over extensor body surfaces and the scalp.
1st line topical treatment for psoriasis
All patients should use an emollient to reduce scale and itch
1st: potent topical corticosteroid OD (eg Betnovate) + topical vitamin D OD (eg Dovonex) applied at different times
characteristic features of basal cell carcinoma
round and nodular
skin coloured with a pearly rolled edge
telangicestoma
located on sun exposed areas - head and neck
mx of basal cell carcinoma
Management of a BCC depends on its size, location, type and local guidelines - but the majority are managed surgically
what is tinea
athletes foot
how is Lyme disease spread
tick bites