Excellence in Dermatology™
Excellence in Dermatologic Surgery™
Excellence in Medical Dermatology™
Excellence in Dermatopathology™

U088 - Ashy Dermatoses and Other Vexing Pigmentary Disorders

Monday, February 19; 4:30 PM - 5:30 PM

Learning Objectives

Following this course, the attendee should be able to:

  • Define nosologic status of these entities.
  • Differentiate between these entities.
  • Treat and manage these vexing pigmentary disorders.


Ashy dermatosis (AD), lichen planus pigmentosus (LPP) and erythema dyschromicum perstans (EDP) present are acquired small and large macules of hyperpigmentation. They have been considered to be the same condition by some and they are considered as different entities by others. Furthermore, a similar condition but with smaller macules of acquired hyperpigmentation termed idiopathic eruptive macular pigmentation (IEMP) and a further addition, idiopathic eruptive macular pigmentation with papillomatosis appear to confuse the readers on acquired large and small macule hyperpigmentation of uncertain aetiology. Thousands of patients from all over the world suffer from this condition/these conditions as there is no effective widely accepted treatment. Patchy hyperpigmentation is generally a greater clinical and psychological problem for skin of colour populations. As there is broad overlap between these entities, we will try to evolve consensus to differentiate these entities and how to manage these vexing pigmentary disorders.


  • Al-Mutairi, Nawaf, MD: no financial relationships exist with commercial interests.
  • Pandya, Amit G., MD: Aclaris Therapeutics Inc. – I(Grants/Research Funding); Clarify Medical Inc. – B(ST); Incyte Corporation – I(Grants/Research Funding); Pfizer Inc. – I(Grants/Research Funding);
  • Parsad, Davinder, MD: no financial relationships exist with commercial interests.
  • Thng, Steven: no financial relationships exist with commercial interests.
Monday, February 19
4:30 PM
Dr. Pandya / Clinical presentation of Lichen plants pigmentosus and similar diseases
4:43 PM
Thng / Differentiating factors of Ashy dermatosis and LPP
4:55 PM
Dr. Parsad / Ashy Dermatosis and other vexing pigmentary disorders : where do we stand ?
5:08 PM
All faculty / Panel Discussion
Event Details
  • Date
    Monday, February 19
  • Time
    4:30 PM - 5:30 PM
  • Location
    Room 1A
  • CME Credits
  • Type
  • Davinder Parsad, MD
  • Amit G. Pandya, MD, FAAD
  • Nawaf Al-Mutairi, MD
  • Steven Thng