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Genodermatoses
Published in Dimitris Rigopoulos, Alexander C. Katoulis, Hyperpigmentation, 2017
Becker nevus or Becker melanosis presents as a macule with irregular brown pigmentation on the chest, back, or upper arm that spreads as a patch of 10–15 cm in diameter and is progressively associated with hypertrichosis. It most commonly presents in males and in early adolescence. It may have a genetic influence in some patients, as there are some reports of familial cases.6
The Beneficial Effect on Pigmentation Using Laser Epilation as an Initial Treatment Approach for Becker’s Nevus in Asian Skin
Published in Journal of Cosmetic and Laser Therapy, 2021
Young-Jun Choi, Sunmin Yim, Gyoo Huh, Ga-Young Lee, Won-Serk Kim
Becker’s nevus (BN) is characterized by an acquired melanosis with hypertrichosis (1). Unilateral, well-demarcated, variable-sized, and coalescent brownish patches occur on the body at an early age. Hair growth is known to occur in the lesions when patients enter puberty. The clinical course of the disease suggests that androgenic hormones are involved in maturation of the lesion. This also explains why men have a higher prevalence of BN (2). Histologically, elongation of rete ridges, hypermelanosis, and basal layer hyperpigmentation are frequently observed in the epidermis of BN lesions (3). Expression of androgenic receptors is more heightened in the epidermis of BN patients than in other epidermal pigmented disorders (4). Therefore, BN treatment should include two different approaches: hair removal and depigmentation. Epilation, in particular, is a primary concern for adolescent and adult patients because it can modulate the main structure of the dermis and improve the response to subsequent treatment for pigmentation.
Efficacy of 1064-nm Nd:YAG picosecond laser in lichen amyloidosis treatment: clinical and dermoscopic evaluation
Published in Journal of Cosmetic and Laser Therapy, 2021
Suparuj Lueangarun, Therdpong Tempark
Rather than using biophysical evaluation, our study evaluated the efficacies of 1,064 nm ps-Nd:YAG laser in the treatment of LA from clinical, patient satisfaction, itching score, and dermoscopic evaluation. To our knowledge, there has been no study of LA treated with 1,064 nm ps-Nd:YAG laser. Nonetheless, Picosecond lasers (ps-lasers) are used for treatment of various pigmented lesions, such as nevus of Ito, congenital nevus, nevus spilus, nevus of Ota, Hori’s macules, café-au-lait patches, lentigines, and Becker nevus, with promising results (14).
Intense pulsed light treatment for Becker’s nevus
Published in Journal of Dermatological Treatment, 2021
Pin-Ru Wu, Lan-Jun Liu, Yi-Xin Zhang, Ying Liu, Xiao-Xi Lin, Gang Ma
Becker’s nevus (BN) is a benign isolated cutaneous hamartoma, first described by William Becker in 1949 (1). BN is characterized by unilateral hyperpigmented patches with or without hypertrichosis (2,3). The prevalence of BN was 0.52% with a male-to-female ratio of 4:l in the peripubertal period or early adulthood (4).