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Year : 2013  |  Volume : 79  |  Issue : 2  |  Page : 271-272

Asymptomatic nodule on the scalp


1 Department of Dermatology, Seth G. S. Medical College and KEM Hospital, Parel, Mumbai, India
2 Consultant Dermatologist, Nirmaya Hospital, Mumbai, India

Date of Web Publication22-Feb-2013

Correspondence Address:
Swapnil A Sanghavi
Department of Skin and VD Seth G. S. Medical College and KEM Hospital, Parel, Mumbai - 400 012
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0378-6323.107679

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How to cite this article:
Sanghavi SA, Dongre AM, Oswal P, Khopkar US. Asymptomatic nodule on the scalp. Indian J Dermatol Venereol Leprol 2013;79:271-2

How to cite this URL:
Sanghavi SA, Dongre AM, Oswal P, Khopkar US. Asymptomatic nodule on the scalp. Indian J Dermatol Venereol Leprol [serial online] 2013 [cited 2019 Oct 18];79:271-2. Available from: http://www.ijdvl.com/text.asp?2013/79/2/271/107679


A 60-year-old male presented to our outpatient department with an asymptomatic raised lesion on the left side of the scalp for 2 years. The lesion was slowly increasing in size. There was no history of similar lesions elsewhere on the scalp or on the body. On examination, a single skin colored, firm, non-tender 1 cm sized nodule with slight scaling was seen over the left parietal scalp. There was no umbilication. Hair follicles were seen emerging from the nodule [Figure 1]. Rest of the examination was unremarkable. A biopsy was obtained for histological diagnosis.
Figure 1: Asymptomatic nodule on the scalp

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Histopathological examination showed focal invagination of the epidermis covered by a parakeratotic plug. It was surrounded by hyperplastic epidermis with papillomatosis and hypergranulosis [Figure 2]. There was a suprabasal cleft with formation of villi protruding into the cleft [Figure 3]. Acantholytic cells could be seen in the cleft along with the presence of dyskeratotic cells [Figure 4]. Mild lymphocytic infiltrate was seen in the superficial dermis.
Figure 2: Focal invagination of the epidermis with parakeratotic plug (H and E, ×100)

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Figure 3: Suprabasal cleft with formation of villi protruding into the cleft (H and E, ×200)

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Figure 4: Presence of acantholytic (black arrows) and dyskeratotic cells (red arrows) (H and E, ×400)

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  References Top

1.Kaddu S, Dong H, Mayer G, Kerl H, Cerroni L. Warty dyskeratoma--"follicular dyskeratoma": Analysis of clinicopathologic features of a distinctive follicular adnexal neoplasm. J Am Acad Dermatol 2002;47:423-8.  Back to cited text no. 1
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2.Kaugars GE, Lieb RJ, Abbey LM. Focal oral warty dyskeratoma. Int J Dermatol1984;23:123-30.  Back to cited text no. 2
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3.Duray PH, Merino MJ, Axiotis C. Warty dyskeratoma of the vulva. Int J Gynecol Pathol 1983;2:286-93.  Back to cited text no. 3
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4.Baran R, Perrin C. Focal subungual warty dyskeratoma. Dermatology 1997;195:278-80.  Back to cited text no. 4
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    Figures

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



 

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