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Year : 2008  |  Volume : 74  |  Issue : 6  |  Page : 701

Hairy plaque on the thigh

1 Department of Dermatology, Baskent University Faculty of Medicine, Ankara, Turkey
2 Department of Pathology, Baskent University Faculty of Medicine, Ankara, Turkey

Correspondence Address:
Pelin Ustuner
Department of Dermatology, Baskent University Faculty of Medicine, 5. sokak, No. 48 Bahçelievler, 06490, Ankara
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0378-6323.45145

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How to cite this article:
Ustuner P, Askin U, Seckin D, Ozen O. Hairy plaque on the thigh. Indian J Dermatol Venereol Leprol 2008;74:701

How to cite this URL:
Ustuner P, Askin U, Seckin D, Ozen O. Hairy plaque on the thigh. Indian J Dermatol Venereol Leprol [serial online] 2008 [cited 2020 Jun 5];74:701. Available from: http://www.ijdvl.com/text.asp?2008/74/6/701/45145

A 23-year-old woman presented to our institution with a solitary, slightly elevated, hairy plaque on the extensor surface of her left thigh. It had been present since birth and had gradually increased in size. She stated that after rubbing or scratching, the lesion would raise and harden temporarily; but otherwise, it was asymptomatic. The patient's medical and family histories were unremarkable.

Physical examination revealed an ill-defined 10×5-cm skin-colored plaque with prominent overlying hairs and confluent, rubbery perifollicular papules [Figure 1]. A 4-mm punch biopsy of the lesion was obtained and stained with hematoxylin-eosin [Figure 2], and Masson's trichrome [Figure 3].

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1.Zvulunov A, Rotem A, Merlob P, Metzker A. Congenital smooth muscle hamartoma: Prevalence, clinical findings, and follow-up in 15 patients. Am J Dis Child 1990;144:782-4.  Back to cited text no. 1  [PUBMED]  
2.Berger TG, Levin MW. Congenital smooth muscle hamartoma. J Am Acad Dermatol 1984;11:709-12.  Back to cited text no. 2  [PUBMED]  
3.Schmidt CS, Bentz ML. Congenital smooth muscle hamartoma: The importance of differentiation from melanocytic nevi. J Craniofac Surg 2005;16:926-9.  Back to cited text no. 3  [PUBMED]  [FULLTEXT]
4.Dupre A, Viraben R. Congenital smooth muscle nevus with follicular spotted appearance. J Am Acad Dermatol 1985;13:837-8.   Back to cited text no. 4  [PUBMED]  
5.Koizumi H, Kodama K, Tsuji Y, Matsumura T, Nabeshima M, Ohkawara A. CD34-positive dendritic cells are an intrinsic part of smooth muscle hamartoma. Br J Dermatol 1999;140:172-4.  Back to cited text no. 5  [PUBMED]  [FULLTEXT]


  [Figure 1], [Figure 2], [Figure 3], [Figure 4]


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