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Year : 2013  |  Volume : 58  |  Issue : 1  |  Page : 84
An asymptomatic papule on forearm


Department of Dermatology, Seth GS Medical College & KEM Hospital, Parel, Mumbai, India

Date of Web Publication31-Dec-2012

Correspondence Address:
Vijay Adhe
Department of Dermatology, Seth GS Medical College & KEM Hospital, Parel, Mumbai
India
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DOI: 10.4103/0019-5154.105322

PMID: 23372226

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How to cite this article:
Adhe V, Dongre A. An asymptomatic papule on forearm. Indian J Dermatol 2013;58:84

How to cite this URL:
Adhe V, Dongre A. An asymptomatic papule on forearm. Indian J Dermatol [serial online] 2013 [cited 2014 Sep 30];58:84. Available from: http://www.e-ijd.org/text.asp?2013/58/1/84/105322


A 35-year-old male presented with an asymptomatic skin coloured raised lesion on right forearm for past 3 months. The lesion increased gradually in size over 3 months. Patient complained of pain in lesion on trivial trauma.

Cutaneous examination showed single, skin coloured, sessile, soft to firm and smooth surfaced papule of size about 0.5 × 0.5 cm on extensor surface of right forearm [Figure 1]. Tenderness could be elicited on palpation. Rest of the physical examination was normal.
Figure 1: Skin coloured, sessile papule on extensor aspect of right forearm

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An excision biopsy of the lesion was done. Histopathology showed a solid-cystic tumor islands in the dermis without any connection to epidermis [Figure 2]. This tumor mass consisted of two types of cells [Figure 3], dark cells having round nuclei and scant cytoplasm and pale cells with round nuclei and ample cytoplasm [Figure 4]. At places, duct-like structures were seen within the tumor island [Figure 4]. The stroma was vascular and showed eosinophilic hyaline material deposition. No cytologic atypia or mitotic figures were seen.
Figure 2: Solid - cystic tumor islands in the dermis without any connection to epidermis (H and E, ×25)

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Figure 3: Tumor masses, on higher magnification showing two types of cells (H and E, ×200)

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Figure 4: Dark and pale cells with ducts within the tumor islands (H and E, ×400)

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   References Top

1.Winkelmann RK, McLeod WA. The dermal duct tumor. Arch Dermatol 1966;94:50-5.   Back to cited text no. 1
    
2.Moore TO, Orman HL, Orman SK, Helm KF. Poromas of the head and neck. J Am Acad Dermatol 2001;44:48-52.   Back to cited text no. 2
    
3.Hu CH, Marques AS, Winkelmann RK. Dermal duct tumor: A histochemical and electron microscopic study. Arch Dermatol 1978;114:1659-64.   Back to cited text no. 3
    
4.Faure M, Colomb D. Dermal duct tumor. J Cutan Pathol 1979;6:317-22.   Back to cited text no. 4
    
5.Kakinuma H, Miyamoto R, Iwasawa U, Baba S, Suzuki H. Three subtypes of poroid neoplasia in a single lesion: Eccrine poroma, hidroacanthoma simplex, and dermal duct tumor. Histologic, histochemical, and ultrastructural findings. Am J Dermatopathol 1994;16:66-72.   Back to cited text no. 5
    
6.Rutten A, Requena L, Requena C. Clear-cell porocarcinoma in situ: A cytologic variant of porocarcinoma in situ. Am J Dermatopathol 2002;24:67-71.   Back to cited text no. 6
    
7.Harvell JD, Kerschmann RL, Le Boit PE. Eccrine or apocrine poroma? Six poromas with divergent adnexal differentiation. Am J Dermatopathol 1996;18:1-9.   Back to cited text no. 7
    
8.Apisarnthanarax P, Mullins JF. Dermal duct tumor. Arch Dermatol 1975;111:1171-3.  Back to cited text no. 8
    


    Figures

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



 

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