Becker nevushttps://en.wikipedia.org/wiki/Becker's_nevus
Becker nevus jẹ́ àìṣedéédé awọ ara tí kò dára tó ń kan àwọn ọkùnrin. Nevus máa ń hàn ní àkókò tí wọ́n bá ń balága. Ní gbogbogbo, ó farahàn gẹ́gẹ́ bí pẹ̀lẹ́pẹ̀lẹ́ àwọ̀ tí kò ní ìbámu lórí àyà tàbí apá òkè, tí ó sì ń di aláìṣedéédé, tó ń pọ̀ sí i ní ìwọ̀n, tí ó sì máa ń ní irun pọ̀ (hypertrichosis).

Itọju
Irun tí ó wà lórí nevus lè yọ̀ kúrò nípa lílo laser. Síbẹ̀, nítorí ìtúnṣe tó gíga, ó ṣòro gan-an láti yọ̀ nevus kúrò pẹ̀lú laser.

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  • O jẹ apejuwe nipasẹ nevus nla kan pẹlu idagbasoke irun lọpọlọpọ lori agbegbe naa.
  • Itọju lesa le jẹ́ ìṣòro nítorí hyperpigmentation(itẹramọṣẹ).
References Becker’s nevus - Case reports 35519166 
NIH
Becker nevus, ti a tún pè ní Becker melanosis, jẹ́ ipo awọ tí kò dára. Ó lè hàn láti ìbímọ tàbí kó dàgbà nígbà míì, tí ń fa àwọn àbùlẹ̀ awọ ara pẹ̀lú tàbí láìsí irun. Ó wọ́pọ̀ jùlọ lórí àwọn ọkùnrin. Agbègbè tí ó kan máa ń ṣòkùnkùn fún àkókò, tí irun tó pọ̀ jù lè dàgbà níbẹ̀. Aláìsàn transgender ọdún 29 kan wá pẹ̀lú àwọn àbùlẹ̀ dúdú lórí awọ ara rẹ̀ tí ó bẹ̀rẹ̀ ní ọjọ‑ọ́dún 15 gẹ́gẹ́ bí àwọn àyè kékeré. Nígbà tí ó ti ń lọ, àwọn àyè wọ̀nyí dàgbà sí àbùlẹ̀ ńlá. Ayẹ̀wò fi hàn àwọn àbùlẹ̀ dúdú pẹ̀lú irun ní apa ọ̀tún ti àyà, ejika, ẹ̀hìn, àti apa òkè, pẹ̀lú àwọn egbégbẹ̀ aláìbámu.
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 jẹ ipo awọ ara ti o wọpọ ti a ṣe afihan nipasẹ pẹ́ẹ̀tì pípigmented tí ó ní àfikún irun ní apá kan ti ara. Nígbà míì, a máa ń tọju rẹ̀ pẹ̀lú àwọn laser, bí ó tilẹ̀ jẹ́ pé àwọn aṣayan míì wà. Àwọn oríṣìíríṣìí laser ti a ti lo, ní tìkára wọn tàbí pọ̀ jọ, pẹ̀lú gigun igbi láti 504 sí 10,600 nm àti àkókò ìmúlẹ̀ láti 1 sí 12. Àwọn abajade yàtọ̀ síra, ṣùgbọ́n ní apapọ, àwọn laser pẹ̀lú gigun igbi tó yàtọ̀ dájú pé ó ń ṣiṣẹ́ dáadáa. Àwọn ipa ẹgbẹ́ sábà máa ń hàn gẹ́gẹ́ bí ìbáṣepọ̀ pupa tó kéré. Bí ó tilẹ̀ jẹ́ pé àwọn laser jẹ́ ààbò ní gbogbogbo, wọ́n ń fún ní ìmúra tó peye (kò péye) fún Becker's nevus.
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.