Ota nevus
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Det kan påvirke konjunktivområdet.
References
Ota Nevus er en godartet mørkfarging av huden, hovedsakelig rundt trigeminusnerven, som hovedsakelig påvirker øyets regioner som betjenes av den første og andre divisjonen av denne nerven. Denne tilstanden, også kalt okulær dermal melanose, forårsaker en grå-blå misfarging på grunn av fangede melanocytter. Det vises vanligvis på den ene siden av ansiktet og kan involvere øyet, ansiktshuden og noen ganger taket av munnen. Personer med denne tilstanden har større sjanse for å utvikle øyemelanom og glaukom. Nevus of Ito er lik, men påvirker forskjellige nerveområder.
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.
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.
Congenital dermal melanocytosis er også kjent som mongolsk sted. Det er en vanlig type fødselsmerke sett hos nyfødte. Det vises som gråblå flekker på huden fra fødselen eller kort tid etter. Disse merkene finnes vanligvis på korsryggen og baken, med skuldre som det neste vanlige stedet. De er hyppigere hos asiatiske og svarte spedbarn, og påvirker både gutter og jenter likt. Vanligvis forsvinner de av seg selv i en alder av 1 til 6 år og trenger vanligvis ingen behandling da de stort sett er ufarlige.
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.
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.
Bruken av en Q-switchet 1064 nm laser har blitt rapportert å være vellykket i behandling av nevus av Ota.
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#QS-1064 laser