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 Table of Contents  
CLINICAL IMAGES
Year : 2016  |  Volume : 6  |  Issue : 2  |  Page : 20

Becker naevus


Department of Dermatology and Venereology, Institute of Medicine, Tribhuvan University, Kathmandu, Nepal

Date of Web Publication8-Feb-2018

Correspondence Address:
M M Aarif Syed
Department of Dermatology and Venereology, Institute of Medicine, Tribhuvan University, Kathmandu
Nepal
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijsr.Int_J_Stud_Res_10_17

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  Abstract 


A 22 years old young male, presented with a large hyperpigmented (brown) patch involving the right upper back, right shoulder and predominantly extensor aspect of right arm with hypertrichosis, which started developing about 3 years ago. A diagnosis of Becker naevus was made. It is an androgen dependent lesion, being more frequent in males and mostly appears at or after puberty. No treatment is effective.

Keywords: Becker naevus, hypertrichosis, laser


How to cite this article:
Syed M M. Becker naevus. Int J Stud Res 2016;6:20

How to cite this URL:
Syed M M. Becker naevus. Int J Stud Res [serial online] 2016 [cited 2022 Nov 29];6:20. Available from: http://www.ijsronline.net/text.asp?2016/6/2/20/224883



A 22-year-old young male presented with darkening of the skin of the right upper back, shoulder, and arm [Figure 1]a and [Figure 1]b. He was apparently well about 3 years ago, when he first noticed a dark patch on his right shoulder, which gradually increased in dimensions to assume the present size. He also complained of increased hair growth on the dark patches. He was evaluated and a large hyperpigmented (brown) patch involving the right upper back, right shoulder, and predominantly extensor aspect of right arm with hypertrichosis was seen. A diagnosis of Becker naevus was made.
Figure 1 (a) Hyperpigmented (brown) patch involving the right upper back and right shoulder. (b) Hyperpigmented (brown) patch involving the right shoulder and predominantly extensor aspect of right arm

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Becker naevus, also known as Becker melanosis, is a benign condition, first described by Becker in 1948 [1]. It is an androgen dependent lesion, being more frequent in males and mostly appears at or after puberty. The upper trunk and the scapular regions are the common sites. Hypertrichosis may not always be present. Rarely, it may be a part of Becker naevus syndrome. Naevus of Ito is an important differential diagnosis, which can be easily differentiated on histopathological examination. No treatment is effective. A combination of long-pulsed Nd:Yag and alexandrite laser has shown good results [2].

Consent

Written informed consent was obtained for the publication of the images.

Competing Interests

The author declares that he has no competing interests.

Funding

Sources of funding: None.



 
  References Top

1.
Becker SW. Concurrent melanosis and hypertrichosis in distribution of naevus unius lateris. Arch Derm Syphilol 1949;60(2):155-60.  Back to cited text no. 1
    
2.
Wulkan AJ, McGraw T, Taylor M. Successful treatment of Becker's naevus with long-pulsed 1064nm Nd:YAG and 755nm alexandrite laser and review of the literature. J Cosmet Laser Ther 2017;doi: 10.1080/14764172.2017.1326613. [Epub ahead of print].  Back to cited text no. 2
    


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