143 - Pigmented Purpuric Dermatoses Flashcards
Usual symptom associated with pigmented purpuric dermatoses
Generally asymptomatic
Granulomatous variant of PDD has been reported more commonly in patients of _____ descent
Asian
In general, PPDs occur more frequently in males, except for the _____ subtype, which is seen more frequently in females
Majocchi
Described as an eruption of irregularly shaped reddish-brown patches with “pin head sized reddish puncta, closely resembling grains of cayenne pepper”
Progressive pigmentary dermatosis (Schamberg disease)
Most common of the PPDs to occur in children
Schamberg disease
Annular patches of follicular and punctate reddish-brown macules with telangiectasias and purpura
Purpura annularis telangiectodes (Majocchi purpura)
Reddish-brown round or polygonal lichenoid papules and plaques, with a background of purpura or telangiectasias
Pigmented purpuric lichenoid dermatosis of Gougerot and Blum
Seasonal eruption occurring in the spring and summer
Mild scaling overlying pinpoint erythematous macules and patches with associated pruritus
Eczematid-like purpura of Doucas and Kapetanakis
Distinctive gold, rust, or orange color
Histologically a dense, band-like lichenoid infiltrate of inflammatory cells is seen
Lichen aureus
Widely disseminated orange-brown to purpuric lesions associated with severe pruritus
More apparent along the waistline, axilla, antecubital and popliteal fossae
Itching purpura (disseminated pruriginous angiodermatitis)