Indian Journal of Dermatology
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ORIGINAL ARTICLE
Year : 2018  |  Volume : 63  |  Issue : 1  |  Page : 57-61

Palmoplantar lesions of lichen planus


1 Department of Dermatology, STD and Leprosy, Dr. Ram Manohar Lohia Hospital and PGIMER, New Delhi, India
2 Department of Dermatology, STD and Leprosy, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi, India

Correspondence Address:
Dr. Rashmi Sarkar
Department of Dermatology, Maulana Azad Medical College, New Delhi - 110 002
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijd.IJD_161_17

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Introduction: Palmoplantar lesions of lichen planus (LP) are uncommon and may not always have classical clinical features of LP. A variety of morphological types has been described in literature. Aim and Objectives: The aim was to study and classify the clinical variants into distinct easily recognisable categories for quick recognition and early treatment initiation. Methods: All patients diagnosed with LP over a period of 5 years were evaluated for palmoplantar lesions in our hospital. The clinical and histopathological features of the palmoplantar lesions were then studied. Results: Out of 424 patients of LP, 55 (12.9%) had palmoplantar lesions. Histopathology was consistent or at least compatible with LP in 44/55 patients. For the purpose of assessment, only patients with histopathology consistent with LP were included (n = 44) in the study. Just over half of the patients were male, with most patients (43.2%) having had LP lesions elsewhere for 6 months before palmoplantar lesions were noticed. Soles were more frequently involved than palms. The sites most often involved were the centre of the palms (45.2%), and the instep of the soles (63.9%). The predominant morphological presentation was psoriasiform (47.7%). One patient had ulcerative lesions of LP on both his soles which is a very rare variant. Notably, nearly half of the patients (20/44) had mucosal (mostly oral) lesions characteristic of LP. This was significant as typical oral lesions of LP help in identifying palmoplantar lesions that do not have classical lichenoid morphology. Conclusion: LP lesions on palms and soles need to be identified keeping a high index of suspicion and differentiated from other papulosquamous conditions so that specific treatment can be initiated early.


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