Ota nevushttps://en.wikipedia.org/wiki/Nevus_of_Ota
Ota nevus je hiperpigmentacija, ki se pojavi na obrazu, največkrat na beločnici. Pojavi se tudi na čelu, nosu, licu, periorbitalnem predelu in templju. Ženske imajo skoraj petkrat večjo verjetnost, da bodo prizadete kot moški, med belopoltimi pa je redka. Ota nevus morda ni prirojen in se lahko pojavi po puberteti.
Poročali so, da je uporaba laserja s preklopom Q 1064 nm uspešna pri zdravljenju nevusa Ota.

Zdravljenje
#QS-1064 laser
☆ V rezultatih raziskave Stiftung Warentest iz Nemčije leta 2022 je bilo zadovoljstvo potrošnikov z ModelDermom le nekoliko nižje kot s plačanimi telemedicinskimi svetovanji.
  • Prizadene lahko predel veznice.
  • QS1064 lasersko zdravljenje običajno daje dobre rezultate.
References Nevus of Ota and Ito 32809409 
NIH
Ota Nevus je benigna potemnitev kože predvsem okoli območja trigeminalnega živca, ki večinoma prizadene področja očesa, ki jih oskrbujeta prvi in ​​drugi del tega živca. To stanje, imenovano tudi očesna dermalna melanoza, povzroči sivo-modro obarvanje zaradi ujetih melanocitov. Običajno se pojavi na eni strani obraza in lahko zajame oko, kožo obraza in včasih nebo. Ljudje s tem stanjem imajo večjo možnost za razvoj očesnega melanoma in glavkoma. Nevus Ito je podoben, vendar prizadene različna živčna področja.
Nevus of Ota is a benign melanosis that primarily involves the region of the trigeminal nerve distribution. The first and second divisions of the trigeminal nerve, namely the ophthalmic V1 and the maxillary V2 are most commonly involved. There is associated hyperpigmentation of the eye. Nevus of Ota is also known as ocular dermal melanosis. The characteristic gray-blue hyperpigmentation occurs due to entrapped melanocytes. Unilateral presentation is more common. The melanocytes are entrapped leading to gray-blue hyperpigmentation of the conjunctiva and sclera along with ipsilateral facial skin. There is an increased risk of uveal melanoma and glaucoma in these cases. Palatal involvement may also occur. Nevus of Ito is very similar to nevus of Ota except it differs in the territory of distribution. It was described by Minor Ota in 1954. It involves the distribution territory of lateral cutaneous brachial nerves of the shoulder and posterior supraclavicular nerves. Both of these diseases share similar pathophysiology.
 Dermal Melanocytosis 32491340 
NIH
Congenital dermal melanocytosis je znana tudi kot mongolska pega. To je običajna vrsta materinega znamenja, ki ga opazimo pri novorojenčkih. Pojavlja se kot sivo-modre lise na koži od rojstva ali kmalu po njem. Te oznake se običajno nahajajo na spodnjem delu hrbta in zadnjici, naslednja pogosta lokacija so ramena. Pogostejši so pri azijskih in temnopoltih dojenčkih, enako prizadenejo tako dečke kot deklice. Običajno izginejo same od sebe v starosti od 1 do 6 let in na splošno ne potrebujejo zdravljenja, saj so večinoma neškodljive.
Congenital dermal melanocytosis, also known as Mongolian spot or slate gray nevus, is one of many frequently encountered newborn pigmented lesions. It is a type of dermal melanocytosis, which presents as gray-blue areas of discoloration from birth or shortly thereafter. Congenital dermal melanocytosis is most commonly located in the lumbar and sacral-gluteal region, followed by shoulders in frequency. They most commonly occur in Asian and Black patients, affect both genders equally, and commonly fade by age 1 to 6 years old. Congenital dermal melanocytoses are usually benign and do not require treatment.