Indian Journal of Dermatology
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Year : 2006  |  Volume : 51  |  Issue : 3  |  Page : 222-223
Verrucous epidermal naevus on penis

Dept. of Dermatology, Venereology and Leprology, PGIMER, Chandigarh - 160 012, India

Correspondence Address:
Amrinder Jit Kanwar
Dept. of Dermatology, Venereology and Leprology, PGIMER, Chandigarh - 160 012
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-5154.27996

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How to cite this article:
Narang T, Kanwar A. Verrucous epidermal naevus on penis. Indian J Dermatol 2006;51:222-3

How to cite this URL:
Narang T, Kanwar A. Verrucous epidermal naevus on penis. Indian J Dermatol [serial online] 2006 [cited 2022 Jan 27];51:222-3. Available from:

Verrucous epidermal nevi are commonly seen on the extremities, trunk and rarely on face and neck. A case of penile verrucous epidermal naevus mimicking warts in a 3 year old boy is described. He presented with complaints of itchy hyperpigmented papular lesions on the penis. The condition was first noticed by the child's mother when he was 18 months old as few papular lesions on the shaft of penis. Over the next few months, the lesions increased in size and became more elevated and verrucous. The lesions had remained stable thereafter. There was no history of viral warts or any sexually transmitted infections in the parents. Topical treatments had no effect on the lesions. Examination revealed mildly elevated, multiple, brownish, keratotic papules on the shaft of penis arranged in a linear fashion [Figure - 1]. Detailed muco-cutaneous and systemic examination did not reveal any other abnormality.

Histological examination showed hyperkeratosis, acanthosis, and papillomatosis without any evidence of vacuolar change in the keratinocytes or any dermal pathology. Virological study for human papillomavirus could not be done owing to lack of facilities.

Verrucous epidermal naevi typically occur on the trunk or extremities along the  Lines of Blaschko More Details but may occur on the face and neck.[1],[2] Pubmed search did not show any reports of VEN on the penis, although the lesions have been described in the perianal area.[3] In children verrucous lesions on the genitalia frequently raise suspicion of warts and sexual abuse. Another differential diagnosis is lichen nitidus, an acquired condition characterized by shiny flat topped papules on the shaft of penis, whereas in VEN, onset of the lesions is early in life, the lesions are hyperkeratotic / verrucous and are arranged in linear configuration. Histological features are helpful in diagnosis. Our case illustrates that VEN should be included in the differential diagnosis of warty lesions on genitalia, particularly when they are present since birth or early childhood.

   References Top

1.Atherton DJ. Naevi and other developmental defects. In : Champion RH, Burton JL, Burns DA, Breathnach SM, editors. Textbook of dermatology. 6th ed. Blackwell Science: Oxford; 1998. p. 519-616.   Back to cited text no. 1      
2.Rogers M, McCrossin I, Commens C. Epidermal nevi and the epidermal nevus syndrome. A review of 131 cases. J Am Acad Dermatol 1989;20:476-88.  Back to cited text no. 2  [PUBMED]    
3.Bandyopadhyay D, Sen S. Perianal verrucous epidermal naevus mimicking perianal warts. Sex Transm Infect 2003;79:424.  Back to cited text no. 3  [PUBMED]  [FULLTEXT]  


  [Figure - 1]


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