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Indian Journal of Dermatology
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Year : 2013  |  Volume : 58  |  Issue : 6  |  Page : 493
Multiple irregular hyperpigmented plaques present in a linear distribution


Department of Dermatology, Venereology and Leprosy, Pondicherry Institute of Medical Sciences, Pondicherry, India

Date of Web Publication17-Oct-2013

Correspondence Address:
Satyaki Ganguly
Department of Dermatology, Venereology and Leprosy, Pondicherry Institute of Medical Sciences, Pondicherry
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5154.119976

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How to cite this article:
Kuruvila S, Ganguly S, Thomas E. Multiple irregular hyperpigmented plaques present in a linear distribution. Indian J Dermatol 2013;58:493

How to cite this URL:
Kuruvila S, Ganguly S, Thomas E. Multiple irregular hyperpigmented plaques present in a linear distribution. Indian J Dermatol [serial online] 2013 [cited 2021 Jul 23];58:493. Available from: https://www.e-ijd.org/text.asp?2013/58/6/493/119976


A 14-years-old girl born to non-consanguineous parents presented to the outpatient department with multiple dark lesions in the left upper limb in a linear pattern, since the last 7 months, with slow enlargement of the old lesions and new lesions appearing along the same line. There was no history of similar lesions in the family. On examination, there were multiple well-demarcated, irregular, hyperpigmented plaques present in a linear distribution along the length of the left upper limb extending from the middle of the arm to just proximal to the wrist [Figure 1]. The plaques showed a fine raised border. The systemic examination was within normal limits. The routine hematological and biochemical investigations were also within normal limits. A skin biopsy done from the edge of one of the lesions showed a hyperkeratotic stratum corneum, a column of poorly staining parakeratotic stratum corneum cells, and absence of granular layer just below it [Figure 2].
Figure 1: Irregular well-defined plaques surrounded by a keratotic raised wall

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Figure 2: Epidermal invagination with column of poorly staining parakeratotic stratum corneum cells

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   References Top

1.Vaishnani JB, Bosamiya SS, Sapariya BJ, Udhreja PR. Linear porokeratosis with follicular involvement. Indian J Dermatol 2011;56:460-1.  Back to cited text no. 1
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2.Malhotra SK, Puri KJ, Goyal T, Chahal KS. Linear porokeratosis. Dermatol Online J 2007;13:15.  Back to cited text no. 2
    
3.Garg T, Chander R, Varghese B, Barara M, Nangia A. Generalized linear porokeratosis: A rare entity with excellent response to acitretin. Dermatol Online J 2011;17:3.  Back to cited text no. 3
    
4.Maubec E, Duvillard P, Margulis A, Bachollet B, Degois G, Avril MF. Common skin cancers in porokeratosis. Br J Dermatol 2005;152:1389-91.  Back to cited text no. 4
    


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