Pigmented purpuric Dermatosis

Question 1

also known as progressive pigmented purpuric dermatosis or progressive pigmentary purpura

Answer 1

Schamberg disease

Multiple discrete and confluent nonpalpable, nonblanching purpuric lesions on the leg. Acute microhemorrhages resolve with deposition of hemosiderin, creating a brown peppered stain.

Question 2

also known as purpura annularis telangiectodes

Answer 2

Majocchi disease

Multiple nonpalpable, nonblanching purpuric lesions arranged in annular configurations. Note disfiguring dark brown discoloration
of old lesions.

Question 3

known as pigmented purpuric lichenoid dermatitis or purpura

pigmentosa chronica.

Answer 3

Gougerot Blum disease

Question 4

also known as lichen purpuricus

Answer 4

Lichen Aureus

Question 5

Clinical lesions in PPD

Answer 5

pinpoint cayenne pepper–colored hemorrhages associated with older hemorrhages and hemosiderin deposition. Capillaritis histologically. Results in spotty hyperpigmentations.

Question 6

Treatment

Answer 6

Topical low- and middle-potency glucocorticoid preparations may inhibit new purpuric lesions. Systemic tetracycline or minocycline(50mgtwicedaily)are effective.
PUVA is effective in severe forms.Supportive stockings required in all forms