Ota nevus
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See võib mõjutada konjunktiivi piirkonda.
relevance score : -100.0%
ReferencesOta nevus on naha healoomuline tumenemine peamiselt kolmiknärvi piirkonnas, mis mõjutab silma piirkondi, mida teenindavad selle närvi esimene ja teine osa. Seda seisundit nimetatakse ka silma dermal melanoosiks ning see tekib kinni jäänud melanotsüütide tõttu, põhjustades hallikassinist värvimuutust. Tavaliselt ilmneb see ühe silma poolel ja võib hõlmata silma, näonahka ning mõnikord ka suuõõne. Selle seisundiga inimestel on suurenenud risk silma melanoomi ja glaukoomi tekkeks. Ito nevus on sarnane, kuid mõjutab teisi närvipiirkondi.
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, tuntud ka kui mongoolia täpp, on vastsündinutel levinud sünnimärgi tüüp. See ilmneb hallikassiniste laikudena nahal sünnist saati või vahetult pärast seda. Need märgid asuvad tavaliselt alaseljal ja tuharatel, kusjuures õlad on samuti levinud asukoht. Neid esineb sagedamini Aasia päritolu ja mustanahalistel imikutel, mõjutades võrdselt nii poisse kui ka tüdrukuid. Tavaliselt kaovad nad 1–6‑aastaselt iseenesest ega vaja ravi, kuna need on enamasti kahjutud.
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.
On teatatud, et Q‑lülitusega 1064 nm laser on Ota nevuse ravis edukas.
○ Ravi
#QS-1064 laser