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CASE REPORT
Year : 2008  |  Volume : 53  |  Issue : 1  |  Page : 37-38
Giant pedunculated seborrheic keratosis of penis


1 Department of Plastic Surgery, IG Medical College, Shimla - 171 001, HP, India
2 Department of Pharmacology, IG Medical College, Shimla - 171 001, HP, India

Correspondence Address:
Jagdeep S Thakur
Department of Plastic Surgery, IG Medical College, Shimla - 171 001, HP
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5154.39743

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   Abstract 

Seborrheic keratosis of the penis is a rare entity. It has been mistaken as genital warts and differentiation is only made on histopathology. We are reporting a case presenting as multiple giant polypoidal lesions on the penile skin for the last 20 years. Seborrheic keratosis should be considered in the differential diagnosis of pedunculated lesions of the penis. The histopathology after shave excision will be diagnostic.


Keywords: Penis, seborrheic keratosis, warts


How to cite this article:
Thakur JS, Thakur A, Chauhan C, Diwana VK, Chauhan D C. Giant pedunculated seborrheic keratosis of penis. Indian J Dermatol 2008;53:37-8

How to cite this URL:
Thakur JS, Thakur A, Chauhan C, Diwana VK, Chauhan D C. Giant pedunculated seborrheic keratosis of penis. Indian J Dermatol [serial online] 2008 [cited 2020 Oct 27];53:37-8. Available from: https://www.e-ijd.org/text.asp?2008/53/1/37/39743



   Introduction Top


The genital organs of the human body are prone to a variety of infective diseases which include bacterial, viral, fungal, protozoal. The infective rate of these diseases increase many folds depending on the sexual activity and immune status of the individual. The commonest viral disease in genital organs is condyloma acuminata caused by human papilloma virus (HPV). This virus involves the skin as well as mucosa of the genital organs. There other various non-infectious lesion of the genital organs. Seborrheic keratosis is one of rare non-infectious benign disease of the penis. We are reporting a rare and unusual case of seborrheic keratosis of the penis which can cause a diagnostic dilemma.


   Case Report Top


A 50-year-old male presented with large multiple polypoidal growths on the penis and groin region for last 20 years. Twenty years back he had progressive itching on the tip of the penis and within few days he developed small skin-colored lesions with clear fluid oozing from them on scratching. He consulted a dermatologist, who prescribed topical ointment and oral medicines. The patient got relief with these medicines and remained asymptomatic for five years. Then again similar lesions erupted on the prepuce first and subsequently over the whole length of the penis. These lesions were progressively enlarging, became hard, not associated with pain but were very itchy. For the last five months, the scrotum and groin region had also been affected. Patient was able to have sexual intercourse during the initial four years. The wife didn't complain of any such lesion on her sexual organs and was found normal on examination.

On examination of the patient [Figure - 1], there were multiple polypoidal lesions on the skin of the penis, groin with average size of 2 cm. The intervening skin was normal and patient was able to urinate through slit-like opening. The scrotum skin was also involved but the lesions were not polypoidal.

The initial diagnosis of condyloma acuminata, acrochordons (Skin tags) and Bowen disease was kept and patient was investigated. The complete hemogram, liver, renal functions and immune status were found to be normal. The patient was taken for shave excision of the lesion under general anesthesia. The whole skin with lesion was excised up to the base of the penis. The thickness of the skin, excluding the lesion was about 2 cm. The mucosa of the penis was normal. The raw area was grafted with split-thickness skin graft. The histopathological examination of the tissue was found to be seborrheic keratosis [Figure - 2]. On follow-up patient recovered well [Figure - 3].


   Discussion Top


We did a Pubmed Medline search with key words "seborrheic keratosis, penis, warts" and found only two reports of seborrheic keratosis in the penis. [1],[2] Stern et al. [3] reviewed 527 lesions of seborrheic keratosis and found genital involvement in 2% but the gender has not been specified in the study. Seborrheic keratosis [4],[5] occurs after the third decade and affects only hair-bearing skin, invariably sparing the mucosal surfaces, the palms and the soles. They vary in color from tan to black. They can manifest as macules, papules, plaques or polypoidal lesions depending on the stage of development. Basal cell carcinoma, condyloma acuminata, melanoma are the most common misdiagnoses of seborrheic keratosis. Stern et al. [3] reviewed 527 lesions and reported 49% accuracy by the clinician in diagnosing seborrheic keratosis.

There are reports [6],[7] of HPV in seborrheic keratosis-like lesions but it has also been reported that these lesions with HPV are actually condyloma acuminata. [8]

The treatment of seborrheic keratosis consists of shave excision, curettage, cryotherapy by liquid nitrogen, trichloroacetic acid application, electro dissection and carbon dioxide laser ablation. [4],[9]

In our case report the seborrheic keratosis had a long duration of 20 years which was similar to the earlier report by Freidman et al. [2] The patient had no mucosal involvement. The wife had no such lesions hence excluding genital warts as these are contagious. Acrochordons (skin tags) are found in about 25% of adults. They appear in the second decade with progressive increased frequency up to the fifth decade and are found mostly in the neck or axilla but may occur in the groin or limbs as isolated large polypoidal lesions. They occur as multiple dark or skin-colored, filiform or smooth-surfaced papules, approximately 2-3 mm in diameter. The stalk of skin tags is fibrous and consists of loose connective tissue with dilated capillaries. The Bowen disease is a premalignant condition of the skin (also known as squamous cell carcinoma in situ ). It is mostly found in the lower limbs of females and scalp or ears of males. Characteristically it is well defined, slightly elevated, red, scaly plaque with fissured surface. The progression of this disease is slow by lateral extension invading the dermis and creating ulcer. [4],[5],[10]


   Conclusion Top


The penis is rarely affected by seborrheic keratosis. This case report presented a rare form of seborrheic keratosis which affected the penis. This rare condition should be considered in the differential diagnosis for the lesions of the penis and histopathology after shave excision will help in the diagnosis.

 
   References Top

1.Cheng SF. Seborrheic keratosis of penis. Urology 1974;3:595-7.  Back to cited text no. 1  [PUBMED]  
2.Friedman SJ, Fox BJ, Albert HL. Seborrheic keratoses of penis. Urology 1987;29:204-6.  Back to cited text no. 2  [PUBMED]  
3.Stern RS, Boudreaux C, Arndt KA. Diagnostic accuracy and appropriateness of care for seborrheic keratoses. JAMA 1991;265:74-7.  Back to cited text no. 3  [PUBMED]  
4.Pierson D, Bandel C, Ehrig T. Benign epidermal tumours and proliferations. In : Bolognia JL, Jorizzo JL, Rapini RP, et al. editors. Dermatology, vol II. Mosby: New York; 2003. p. 1697-701.  Back to cited text no. 4    
5.Rosai J. Skin: Tumours and tumour like conditions. In : Rosai and Ackerman's Surgical Pathology, vol I, 9 th ed. St Louis, Missouri, Mosby; 2004. p. 130-245.  Back to cited text no. 5    
6.Zhao YK, Lin YX, Luo RY, Huang XY, Liu MZ, Xia M, Jin H. Human papilloma virus (HPV) infection in seborrheic keratosis. Am J Dermatopathol 1989;11:209-12.  Back to cited text no. 6  [PUBMED]  
7.Jacyk W, Dreyer L, De Villiers E. Seborrheic keratoses of black patient with epidermodysplasia verruciformis contain human papilloma virus DNA. Am J Dermatopathol 1993;15:1-6.  Back to cited text no. 7    
8.Li J, Ackerman AB. "Seborrheic keratoses" that contain human papilloma virus are condylomata acuminata. Am J Dermatopathol 1994;16:398-405.  Back to cited text no. 8  [PUBMED]  
9.Kettler AH, Goldberg LH. Seborrheic keratoses. Am Fam Physician 1986;34:147-52.  Back to cited text no. 9    
10.Leon P. Benign tumours of the skin. In : Mathes SJ, editor. Plastic Surgery, Vol. V, 2 nd ed. Elsevier: Philadelphia; 2006. p. 251-72.  Back to cited text no. 10    


    Figures

  [Figure - 1], [Figure - 2], [Figure - 3]

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    Abstract
    Introduction
    Case Report
    Discussion
    Conclusion
    References
    Article Figures

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