Becker nevushttps://en.wikipedia.org/wiki/Becker's_nevus
Becker nevus ni ugonjwa mbaya wa ngozi unaoathiri zaidi wanaume. Nevus kawaida hujidhihirisha wakati wa kubalehe. Kwa ujumla inaonekana kwanza kama rangi isiyo ya kawaida kwenye kiwiliwili au mkono wa juu, na hatua kwa hatua hukua isivyo kawaida, inakuwa mnene na mara nyingi kuwa na nywele (hypertrichosis).

Matibabu
Nywele zinazofunika kwenye nevus zinaweza kuondolewa kwa laser. Walakini, kwa sababu ya kiwango cha juu cha kujirudia, karibu haiwezekani kuondoa nevi na lasers.

☆ Katika matokeo ya 2022 ya Stiftung Warentest kutoka Ujerumani, kuridhika kwa watumiaji na ModelDerm kulikuwa chini kidogo kuliko na mashauriano ya matibabu ya simu yanayolipishwa.
  • Ina sifa ya nevus kubwa na ukuaji wa nywele nyingi juu ya eneo hilo.
  • Tiba ya laser inaweza kuwa na changamoto kutokana na kuzidisha kwa rangi.
References Becker’s nevus - Case reports 35519166 
NIH
Becker nevus , ambayo pia huitwa Becker melanosis, ni hali mbaya ya ngozi. Inaweza kuonekana tangu kuzaliwa au kuendeleza baadaye, na kusababisha mabaka ya ngozi na au bila nywele. Ni kawaida na huathiri zaidi wanaume. Eneo lililoathiriwa mara nyingi huwa giza kwa muda, na nywele nyingi zinaweza kukua huko. Mgonjwa aliyebadili jinsia mwenye umri wa miaka 29 aliingia akiwa na mabaka meusi kwenye ngozi ambayo yalianza akiwa na umri wa miaka 15 kama madoa madogo. Baada ya muda, matangazo haya yalikua katika vipande vikubwa. Uchunguzi ulionyesha mabaka meusi yenye nywele upande wa kulia wa kifua, bega, mgongo na sehemu ya juu ya mkono, yenye kingo zisizo za kawaida.
Becker's nevus is also known as Becker melanosis. It is a benign lesion which can be presented as congenital or acquired with hairless or hypertrichotic lesions. It's a rare case which affects mainly male individuals. It is often pigmented and gets darker by time and excessive hair growth can be seen over it. A 29-year-old transgender patient presented with hyperpigmentation with the lesion which started at the age of 15 as a small hyperpigmented macule. The lesion increased gradually to form giant patches. On examination a right-side hyperpigmentation involving the anterior chest, shoulder, scapular region, upper arm with hypertrichosis and irregular margins.
 Lasers for Becker’s Nevus 30762191 
NIH
Becker's nevus ni hali ya ngozi ya kawaida inayojulikana na kiraka chenye rangi na ukuaji wa nywele zaidi upande mmoja wa mwili. Mara nyingi hutibiwa na lasers, ingawa chaguzi zingine zipo. Aina tofauti za leza zimetumika, ama peke yake au pamoja, na urefu wa mawimbi kutoka 504 hadi 10,600 nm na vikao vya kuanzia 1 hadi 12. Matokeo hutofautiana, lakini kuchanganya lasers na urefu tofauti wa wavelengths inaonekana kufanya kazi vizuri zaidi. Madhara ni kawaida nyekundu hadi wastani. Ingawa leza kwa ujumla ni salama, hutoa ufanisi wa wastani (sio bora) kwa nevus ya Becker.
Becker's nevus is a common pigmented dermatosis, usually featured by ipsilateral pigmented patch with hypertrichosis. Becker's nevus is often treated with various types of lasers although other regimens are available. A variety of lasers had been used alone or in combination to treat Becker's nevus. Laser wavelengths used for Becker's nevus ranged from 504 to 10,600 nm, while the number of treatment varied from 1 to 12 sessions. The clinical outcomes were mixed although combination of lasers with different wavelengths appeared to achieve a better efficacy. Adverse effects were usually mild to moderate erythema. While lasers are relatively safe, their efficacy for Becker's nevus is moderate.