Ota nevus
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Ka taea pea te pa ki te rohe conjunctival.
References
Ko te Ota Nevus he ahua pouri o te kiri i te nuinga o te taha o te rohe nerve trigeminal, te nuinga ka pa ki nga rohe o te kanohi e mahihia ana e te wehenga tuatahi me te wehenga tuarua o tenei nerve. Ko tenei ahuatanga, e kiia ana ko te ocular dermal melanosis, ka paheke te tae hina-puru na te melanocytes kua mau. I te nuinga o te wa ka puta ki tetahi taha o te kanohi, ka uru pea te kanohi, te kiri kanohi, me etahi wa ko te tuanui o te waha. Ko nga tangata e pa ana ki tenei mate ka nui ake te tupono ki te whakawhanake i te mate melanoma kanohi me te glaucoma. He rite tonu te Nevus o Ito engari ka pa ki nga waahi nerve rereke.
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.
Ko Congenital dermal melanocytosis e mohiotia ana ko te waahi Mongolian. He momo tohu whanau e kitea ana i nga whanau hou. Ka puta he papaki hina-puru i runga i te kiri mai i te whanautanga mai i muri tata ranei. Ka kitea enei tohu ki te tuara o raro me te papa, me nga pakihiwi te waahi e whai ake nei. He maha ake i roto i nga kohungahunga Ahia me nga kohungahunga Pango, e pa ana ki nga tama tane me nga kotiro. I te nuinga o te wa, ka memeha noa ake i te 1 ki te 6 tau, karekau e hiahiatia he maimoatanga na te mea he kino te nuinga.
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.
Ko te whakamahinga o te Q-switched 1064 nm laser kua korerohia he angitu ki te rongoa i nga nevus o Ota.
○ Maimoatanga
#QS-1064 laser