Lichen planus subtropicus

Kilaimy, M

doi:10.1001/archderm.112.9.1251

Cited by 19 publications

(3 citation statements)

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“…It has been investigated that women suffering from LPA outnumbered men suffering from LPA based on previous reports similar to our results [9][10][11][12].…”

Section: Discussionsupporting

confidence: 77%

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Clinicopathological Study of 307 Patients with Lichen Planus Actinicus and Pigmentosus Referred to Razi Skin Hospital from 2016 to 2021

Kamyab

Gholi

Ghiasi

et al. 2023

Dermatol Pract Concept

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Introduction: The two less-known subtypes of lichen planus (LP) are lichen planus actinicus (LPA) and lichen planus pigmentosus (LPP), with the highest prevalence in the Middle East. Objectives: We aimed to evaluate the clinicopathological profile of these patients. Methods: 307 cases including 184 LPA and 123 LPP patients were recruited from the registered pathology reports of Razi Skin Hospital of Tehran from April 2016 to March 2021. The clinical features and pathological reports were extracted and analyzed. Results: Among 307 patients, 117 (63.9%) in the LPA group and 88 (71.5%) in the LPP group were women. Duration of disease ranged from 1 month to 20 years and 1 month to 12 years in the LPA and LPP groups, respectively. Face (159 patients), limbs (68), and neck (23) were the most frequent sites of involvement in LPA patients, whereas face (60 patients), limbs (47), and trunk (42) were more commonly involved in the LPP patients. Pruritus and oral mucosal lesions were found with similar frequency in both groups. Pathological evaluation showed vacuolar degeneration of basal layer (100%), lymphocytes infiltration (97.3%), and melanin incontinence (58.2%) as the most frequent findings in LPA and vacuolar degeneration of basal layer (100%), lymphocytes infiltration (100%), and melanin incontinence (52/8%) as the most frequent findings in LPP cases.Conclusion: LPA and LPP were both more prevalent among women. Face was the most common site of involvement in both LPA and LPP. Vacuolar degeneration, lymphocyte infiltration, melanin incontinence, and hyperkeratosis were more common histological findings in this study.

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“…It has been investigated that women suffering from LPA outnumbered men suffering from LPA based on previous reports similar to our results [9][10][11][12].…”

Section: Discussionsupporting

confidence: 77%

“…Dilaimy et al reported that minimal itching could accompany LPA lesions only in the summer [ 11 ]. Similarly, M. Salman et al demonstrated that itching was almost always absent in LPA patients [ 12 ].…”

Section: Discussionmentioning

confidence: 99%

Clinicopathological Study of 307 Patients with Lichen Planus Actinicus and Pigmentosus Referred to Razi Skin Hospital from 2016 to 2021

Kamyab

Gholi

Ghiasi

et al. 2023

Dermatol Pract Concept

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show abstract

“…Hydroxychloroquine and acetretin with topical glucocorticoids have also been used successfully in the past. 2 , 5 , 6…”

Section: Discussionmentioning

confidence: 99%

Oral prednisone: A unique and effective treatment for actinic lichen planus

2018

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Induction of actinic lichen planus with artificial UV sources

Schroeff¹

1983

Archives of Dermatology

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A fair-complected woman had an episode of actinic lichen planus (ALP) following natural sunlight exposure. The occurrence of ALP in the Netherlands, with its temperate summers, is highly unusual. Phototests with repeated doses of UV-B radiation successfully induced lichen planus-like skin lesions, while UV-A irradiation had no effect. Histologic examination of both the naturally occurring ALP lesions and the artificially induced lesions disclosed features characteristic of lichen planus.

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Lichen planus subtropicus

Cited by 19 publications

References 0 publications

Clinicopathological Study of 307 Patients with Lichen Planus Actinicus and Pigmentosus Referred to Razi Skin Hospital from 2016 to 2021

Clinicopathological Study of 307 Patients with Lichen Planus Actinicus and Pigmentosus Referred to Razi Skin Hospital from 2016 to 2021

Oral prednisone: A unique and effective treatment for actinic lichen planus

Induction of actinic lichen planus with artificial UV sources

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