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Muhammad Shahid, Speaker at Dermatology Conferences
Faisalabad Medical University, Pakistan
Title : Relationship of periorbital melanosis with pigmentary demarcation line-F


Introduction: Periorbital melanosis (POM), darkening of   skin around eyes, dark circles is  a  common cosmetic  concern  and is  an ill-defined  entity  to-date. Pigmentary demarcation  line  (PDL-F)  is  physiological abrupt  transition  line between hyperpigmented skin and lighter areas [2,3].

Objective of the study: To explore the relationship of  POM and PDL-F by clinical  and  histopathological parameters.Patients and Methods:50 consecutive patients of POM attending the outdoor clinic of Dermatology Department of DHQ Hospital,FMU, Faisalabad from 15•h July to 15'" December 2022 were enrolled in this study with their consent. History of onset, affected family members, and triggering factors were  noted. Photographs were taken from front and side views with their eyes open and closed to see extent and relation of POM and PDL-F. Depth of pigmentation was determined by Wood's lamp examination.2-mm punch biopsies of POM and PDL­ F of the same side were carried out in 5 patients. Inclusion Criteria: Patients of any age and either  sex. Clinical diagnosis of  POM.

Exclusion Criteria: Patients having melasma, lichen planus pigmentosus, Drug induced pigmentation and Post inflammatory    hyperpigmentation.   Wood's    lamp   examination:  Diminished intensity  or  imperceptible pigmentation  of  both  POM and PDL-F.

Histological examination: Variable degree of  melanin pigment within dermal macrophages Conclusions: POM and PDL-F is a common, chronic and  same  pigmentary problem. POM is an extension of PDL-F, not two entities, but one. It is a Dermal nature of their pigment.This fact correlates with theineffectiveness of the various therapies in POM and PDL-F.

Keywords:   Facial    hyperpigmentation,   Periorbital    melanosis,   Pigmentary demarcation line-F


My name is Dr. Muhammad Shahid, working as Associate Professor, Head of Dermatology & Paediatric Dermatology in DHQ, Allied & Govt. General Hospital GM Abad Affiliated with Faisalabad Medical University, Faisalabad. I did my MBBS from Punjab Medical College Faisalabad in 1994 & FCPS Dermatology in 2005 from College of Physicians & Surgeons of Pakistan (CPSP). I have performed duties as Senior registrar and Assistant Professor in various prestigious institutes of Dermatology in Lahore and Faisalabad. I have 19 publications in different journals of Dermatology recognized by Higher Education Commission, Pakistan. I am Supervisor and Examiner of CPSP for FCPS Dermatology & Paediatric Dermatology. I am also supervisor and examiner of University of Health Sciences, Lahore & Faisalabad Medical University, Faisalabad for MD Dermatology, Paediatric Dermatology. Currently I have 6 Post Graduate Residents of FCPS Dermatology & 5 for MD Dermatology. I have presented multiple scientific research papers in national & international conferences of Dermatology in Dubai, Saudi Arabia & Europe. Most of my trainees who have now become consultants are serving in General Dermatology all across the country, I am also elected as General Secretary of Pakistan Association of Dermatologist (PAD).