Becker Nevus on the Lower Limb: Case Report and Review of the Literature

Background: Becker nevus is a hamartoma with brown hyperpigmentation and hypertrichosis that usually affects young males. It has a predilection for the upper half of the trunk and proximal upper extremity. Objective: This is a case report of a 38-year-old male with a Becker nevus without hypertricho...

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Bibliographic Details
Published in:Journal of cutaneous medicine and surgery 2008-01, Vol.12 (1), p.31-34
Main Authors: Alhusayen, Raed, Kanigsberg, Nordau, Jackson, Robert
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Dermatology
Diagnosis, Differential
Hamartoma - diagnosis
Hamartoma - pathology
Humans
Hyperpigmentation - diagnosis
Hyperpigmentation - pathology
Hypertrichosis - pathology
Lower Extremity
Male
Medical sciences
Skin Diseases - diagnosis
Skin Diseases - pathology
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Summary:Background: Becker nevus is a hamartoma with brown hyperpigmentation and hypertrichosis that usually affects young males. It has a predilection for the upper half of the trunk and proximal upper extremity. Objective: This is a case report of a 38-year-old male with a Becker nevus without hypertrichosis on the lower limb and a review of the literature. Results: Including our case report, 12 cases of Becker nevus on the lower limb were identified in the English literature (8 males and 4 females). It has never been reported below the knee. In males, the lesion was not associated with other anomalies, and all but two showed hypertrichosis (six of eight). In 50% (two of four) of women, it was associated with localized lipoatrophy. In one woman, it presented without hypertrichosis. Conclusion: The presence of Becker nevi on the lower limb is unusual, and hypertrichosis is not always a feature. Larger studies are required to look into the true prevalence of this presentation and its prognostic value as a marker for other anomalies.
ISSN:1203-4754
1615-7109
DOI:10.2310/7750.2007.00034