The classic presentation of psoriasis, with well-demarcated, erythematous plaques with a thick, silvery-white scale.
A severe form where psoriasis covers >90% of the body surface as a generalized, exfoliative erythroderma.
Characterized by a sudden eruption of multiple, small, 'raindrop-like', salmon-pink papules with fine scale, often following a streptococcal infection.
An inflammatory linear verrucous epidermal nevus, presenting as a linear, pruritic, erythematous, and psoriasiform plaque.
Presents as well-demarcated, bright red, shiny plaques without the typical silvery scale in intertriginous areas like the axillae and groin.
The patch and plaque stages of this cutaneous T-cell lymphoma can closely mimic psoriasis, but are often more variable in shape and color.
A chronic, recurrent condition characterized by crops of sterile yellow-brown pustules and scaling on the palms and soles, considered part of the psoriasis spectrum.
A form of psoriasis presenting with widespread erythema and sheets of tiny, sterile pustules that coalesce into 'lakes of pus'.
Now reactive arthritis, which can cause keratoderma blennorrhagicum, a psoriasiform eruption of crusted, hyperkeratotic papules and plaques on the soles.
Also known as subcorneal pustular dermatosis, it is characterized by annular or serpiginous arrangements of flaccid pustules, which is not a true psoriasiform rash.
