Pupuras

Question 1

what do PPDs clinically have in common in appearance

Answer 1

capillaritis and petechial hemorrhages in a background of yellow discoloration due to hemosiderin deposition

Question 2

• Yellow–brown patches with an oval to irregular outline
• Pinpoint petechiae within patches – likened to “cayenne pepper”
• Successive crops
• Favors lower legs

Answer 2

Schamber’s disease

Question 3

• Usu in adolescent/young adult females
• 1–3 cm annular plaques that may slowly expand
• Punctate telangiectasias and petechiae within
the border

Answer 3

Majocchi’s Disease

Question 4

• Admixture of two types of lesions:
1) Schamberg-like
2) Purpuric red–brown lichenoid papules
• Chronic

Answer 4

Pigmented purpuric lichenoid dermatitis of Gougerot and Blum

Question 5

solitary rut to purple colored patch or plaque on lower ext with golden hue

Answer 5

Lichen aureus

Question 6

• Scaly petechial or purpuric macules, papules and patches

Answer 6

Eczematid-like purpura of Doucas and Kapetanakis

Question 7

histology of pupuras

Answer 7

RBCs extravasation, hemosiderin, perivascular lymphid infiltrate

+ lichenoid infiltrate in lichen aureus and lichenoid dermatitis of Gougerot and Blum