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 Table of Contents  
LETTER TO EDITOR
Year : 2017  |  Volume : 9  |  Issue : 2  |  Page : 92-93  

Linear morphea alopecia: New trichoscopy findings


1 Department of Dermatology, Fundación Valle del Lili Clinic, Icesi University, Cali, Colombia
2 Department of Clinical Research, Fundación Valle del Lili Clinic, Icesi University, Cali, Colombia

Date of Web Publication21-Jul-2017

Correspondence Address:
Claudia Liliana Montoya
Av. Simon Bolivar, Carrera 98 No. 18-49, Servicio de Dermatologia, Fundacion Clinica Valle del Lili, Cali
Colombia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijt.ijt_34_17

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How to cite this article:
Montoya CL, Calvache N. Linear morphea alopecia: New trichoscopy findings. Int J Trichol 2017;9:92-3

How to cite this URL:
Montoya CL, Calvache N. Linear morphea alopecia: New trichoscopy findings. Int J Trichol [serial online] 2017 [cited 2020 May 30];9:92-3. Available from: http://www.ijtrichology.com/text.asp?2017/9/2/92/211315



Sir,

A 7-year-old boy presented with a progressive atrophic and slightly depressed linear plaque of alopecia on the paramedian scalp, forehead, and left eyebrow [Figure 1]. He had no relevant medical history. The trichoscopy showed pinpoint white dots with the loss of follicular openings, peripilar casts, pili torti, and areas with short regrowing hairs. In skin biopsy, epidermis showed atrophy and flattening of the rete of ridges with hyalinization and widening of dermal collagen bundles with the loss of their fibrillar architecture, and it was extended into the subcutis. These findings are compatible with morphea en coup de sabre. No neurological and ophthalmological alterations were found. Cerebral magnetic resonance imaging showed no intracranial lesions. Systemic immunosuppressive therapy was started due to progression of plaque despite topical treatment. Oral treatment with prednisolone and methotrexate was favorable.
Figure 1: (a) Pinpoint white dots with loss of follicular openings, peripilar casts, pili torti, and areas with short regrowing hairs on trichoscopy. (b) Atrophic and depressed linear plaque of alopecia on scalp. (c) Atrophy and flattening of the rete of ridges with hyalinization and widening of dermal collagen bundles with loss of their fibrillar architecture on histology

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Morphea en coup de sabre is a form of localized scleroderma that characteristically affects the face and frontoparietal region of the scalp. The lesions on the scalp produce linear plaques of alopecia that are frequently atrophic with alteration of pigmentation and depression resulting in bone deformity.[1] It is commonly associated with neurological and ophthalmological complications.[2],[3] Morphea can result in a secondary scarring alopecia. Histopathologic findings can vary depending on the stage of disease, normally includes collagen deposition in the dermis and subcutis, vascular and adnexal structure changes, inflammatory infiltrate, and atrophic follicular structures.[4] In the diagnostic workup of alopecia, a relevant role has been attributed to trichoscopy over the past years. There are few reports about dermoscopic features of morphea,[5] but there are no reports in the literature about trichoscopy characteristic in alopecia due to morphea en coup de sabre. In our knowledge, this is the first and detailed report of trichoscopy in linear morphea disease.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
   References Top

1.
Bielsa Marsol I. Update on the classification and treatment of localized scleroderma. Actas Dermosifiliogr 2013;104:654-66.  Back to cited text no. 1
    
2.
Pinho J, Rocha J, Sousa F, Macedo C, Soares-Fernandes J, Cerqueira J, et al. Localized scleroderma en coup de sabre in the Neurology Clinic. Mult Scler Relat Disord 2016;8:96-8.  Back to cited text no. 2
    
3.
Zannin ME, Martini G, Athreya BH, Russo R, Higgins G, Vittadello F, et al. Ocular involvement in children with localised scleroderma: A multi-centre study. Br J Ophthalmol 2007;91:1311-4.  Back to cited text no. 3
    
4.
Pierre-Louis M, Sperling LC, Wilke MS, Hordinsky MK. Distinctive histopathologic findings in linear morphea (en coup de sabre) alopecia. J Cutan Pathol 2013;40:580-4.  Back to cited text no. 4
    
5.
Shim WH, Jwa SW, Song M, Kim HS, Ko HC, Kim MB, et al. Diagnostic usefulness of dermatoscopy in differentiating lichen sclerous et atrophicus from morphea. J Am Acad Dermatol 2012;66:690-1.  Back to cited text no. 5
    


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