A clinicopathological study of polymorphous light eruption

Background: Polymorphous light eruption (PLE) is the most common idiopathic photodermatoses, with a wide range of clinical presentations that tends to mimic a number of dermatoses. Objective: The aim was to study the clinicopathological profile in patients diagnosed with PLE. Materials and Methods:...

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Main Authors: Nitin Krishna Patil, Aditya Kumar Bubna, Maharaja Krishnamoorthy, Leena Dennis Joseph
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2023-01-01
Series:Clinical Dermatology Review
Subjects:
Online Access:http://www.cdriadvlkn.org/article.asp?issn=2542-551X;year=2023;volume=7;issue=3;spage=215;epage=222;aulast=Patil
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author Nitin Krishna Patil
Aditya Kumar Bubna
Maharaja Krishnamoorthy
Leena Dennis Joseph
author_facet Nitin Krishna Patil
Aditya Kumar Bubna
Maharaja Krishnamoorthy
Leena Dennis Joseph
author_sort Nitin Krishna Patil
collection DOAJ
description Background: Polymorphous light eruption (PLE) is the most common idiopathic photodermatoses, with a wide range of clinical presentations that tends to mimic a number of dermatoses. Objective: The aim was to study the clinicopathological profile in patients diagnosed with PLE. Materials and Methods: This was a cross-sectional, descriptive study of seventy clinically diagnosed cases of PLE over a period of 1 year, wherein following patient enrolment, they underwent a thorough clinical evaluation, followed by a skin biopsy that was studied categorically. Results: A male preponderance (62.8%) was observed. Majority of patients were in the 21-30 years' age group (28.6%). Pruritus was witnessed in 98.5% of patients. The most common morphological type encountered was plaque PLE (35.7%), followed by lichen nitidus type (11.4%). Commonest site of involvement was sides and back of neck (75.7%), followed by dorsolateral aspect of both arms (31.4%). Hyperkeratosis was identified in 82.8%, spongiosis in 87.1%, liquefactive degeneration of basal cell layer in 82.8%, atrophy in 24.2%, and moderate-to-severe lymphocytic dermal infiltrates in 90% of our cohorts. Conclusion: PLE is a disorder with diverse clinical presentations, manifesting usually in the third decade of life that closely mimics a variety of other cutaneous disorders. Histological examination with certain specific criteria enables the clinician to arrive at a concrete conclusion in those cases where clinical findings alone pose diagnostic difficulties.
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spelling doaj.art-e0e297cd5e0b4c54a85e1c2d5b2076182023-10-26T06:14:05ZengWolters Kluwer Medknow PublicationsClinical Dermatology Review2542-551X2542-55282023-01-017321522210.4103/cdr.cdr_110_21A clinicopathological study of polymorphous light eruptionNitin Krishna PatilAditya Kumar BubnaMaharaja KrishnamoorthyLeena Dennis JosephBackground: Polymorphous light eruption (PLE) is the most common idiopathic photodermatoses, with a wide range of clinical presentations that tends to mimic a number of dermatoses. Objective: The aim was to study the clinicopathological profile in patients diagnosed with PLE. Materials and Methods: This was a cross-sectional, descriptive study of seventy clinically diagnosed cases of PLE over a period of 1 year, wherein following patient enrolment, they underwent a thorough clinical evaluation, followed by a skin biopsy that was studied categorically. Results: A male preponderance (62.8%) was observed. Majority of patients were in the 21-30 years' age group (28.6%). Pruritus was witnessed in 98.5% of patients. The most common morphological type encountered was plaque PLE (35.7%), followed by lichen nitidus type (11.4%). Commonest site of involvement was sides and back of neck (75.7%), followed by dorsolateral aspect of both arms (31.4%). Hyperkeratosis was identified in 82.8%, spongiosis in 87.1%, liquefactive degeneration of basal cell layer in 82.8%, atrophy in 24.2%, and moderate-to-severe lymphocytic dermal infiltrates in 90% of our cohorts. Conclusion: PLE is a disorder with diverse clinical presentations, manifesting usually in the third decade of life that closely mimics a variety of other cutaneous disorders. Histological examination with certain specific criteria enables the clinician to arrive at a concrete conclusion in those cases where clinical findings alone pose diagnostic difficulties.http://www.cdriadvlkn.org/article.asp?issn=2542-551X;year=2023;volume=7;issue=3;spage=215;epage=222;aulast=Patilhistopathologylichen nitidus type of polymorphous light eruptionmicropapular polymorphous light eruptionpolymorphous light eruption
spellingShingle Nitin Krishna Patil
Aditya Kumar Bubna
Maharaja Krishnamoorthy
Leena Dennis Joseph
A clinicopathological study of polymorphous light eruption
Clinical Dermatology Review
histopathology
lichen nitidus type of polymorphous light eruption
micropapular polymorphous light eruption
polymorphous light eruption
title A clinicopathological study of polymorphous light eruption
title_full A clinicopathological study of polymorphous light eruption
title_fullStr A clinicopathological study of polymorphous light eruption
title_full_unstemmed A clinicopathological study of polymorphous light eruption
title_short A clinicopathological study of polymorphous light eruption
title_sort clinicopathological study of polymorphous light eruption
topic histopathology
lichen nitidus type of polymorphous light eruption
micropapular polymorphous light eruption
polymorphous light eruption
url http://www.cdriadvlkn.org/article.asp?issn=2542-551X;year=2023;volume=7;issue=3;spage=215;epage=222;aulast=Patil
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