Papulosquamous, Keratotic, & Pigment Disorders Flashcards
acute or chronic inflammatory disorder found in flexor surfaces of the arms and legs
lichen planus
what is the mnemonic to remember presentation of lichen planus?
four Ps
papule, purple, polygonal, pruritic
the development of skin lesions at sites of trauma from an autoimmune trigger
Koebner reaction
a patient presents with flat-topped papules 1-10mm in diameter. they are well-demarcated and shiny with wickham striae (fine white streaks on papules).
lichen planus
a patient presents with this skin condition of their wrist. what is the diagnosis and treatment?
lichen planus
topical/intralesional steroids
a patient presents with this erosion on their oral mucosa. what is the diagnosis and treatment?
lichen planus
refer to ENT/dentist
how long does cutaneous lichen planus take to remit?
1-2 years
self-limited inflammatory disorder that starts with a single herald plaque that develops with centrally-adhered peeled skin
pityriasis rosea
a patient presents with a generalized pruritic, erythematous eruption that develops along the skin lines in christmas tree distribution. what is the diagnosis and treatment?
pityriasis rosea
treatment not needed, but can use supportive treatment
what can be used for pruritis in pityriasis rosea?
oral antihistamines
what is the best way to speed the resolution of pityriasis rosea?
systemic glucocorticoids
what can improve pityriasis rosea if done at the beginning of the eruption?
UV phototherapy / natural sunlight
what is this diagnosis?
pityriasis rosea
what are 3 common meds that cause psoriasis?
lithium
indomethacin
antimalarials
a patient presents with pruritic, erythematous sharply demarcated plaques with silvery scales. what is the diagnosis and treatment?
plaque psoriasis
topical steroids
a patient presents with this skin lesion that is sharply demarcated plaques with silvery scales on their knees. what is the diagnosis and treatment?
plaque psoriasis
topical steroids
a patient presents with small, pruritic, round plaques that are hypopigmented and sharply demarcated with silvery scales. what is the diagnosis and treatment?
eruptive psoriasis
topical steroids
this patient had a strep throat recently and presents with these small, round erythematous demarcated plaques with silvery scales. what is the diagnosis and treatment?
eruptive psoriasis
topical steroids
periarticular erosions and bone resorption giving the appearance of a pencil in a cup
psoriasis arthritis
what is some education to give a patient that has psoriasis?
use hypoallergenic, unscented moisturizers and shampoo
what should we do for a patient that has large areas of psoriasis?
refer to derm
a patient presents with multiple discrete, dry, rough adherent scaly lesions on their head. it is tender to palpation and feels like sandpaper. what is the diagnosis and treatment (4)?
actinic keratosis
cryotherapy or laser therapy
5-fu
imiquimod
what is the most common benign epithelial tumor?
seborrheic keratosis
a patient presents with brown-black velvety warts that appear pasted onto the skin. what is the diagnosis and treatment (2)?
seborrheic keratosis
cryotherapy or curettage
a patient presents with this brown pigmentation that was most likely from UV exposure. what is the diagnosis and management?
melasma
sunscreen & UV avoidance
what are 2 risk factors for melasma?
pregnancy
OC
chronic disorder caused by complete absence of melanocytes, following physical trauma, illness, or stress
vitiligo
a patient presents with sharply demarcated totally white macules on their face, that become confluent to form white patches. what is the diagnosis and treatment?
vitiligo
tacrolimus (immunosuppressant)
a patient presents with sharply demarcated totally white macules that become confluent to form patches on their trunk. what is the diagnosis and treatment?
vitiligo
topical steroids
