Ota nevus
conjunctival አካባቢ ሊጎዳ ይችላል.
References
Ota Nevus በዋነኛነት በ trigeminal ነርቭ አካባቢ አካባቢ ጤናማ የሆነ የቆዳ መጨለም ሲሆን ይህም በአብዛኛው የዚህ ነርቭ የመጀመሪያ እና ሁለተኛ ክፍል የሚያገለግሉትን የዓይን አካባቢዎችን ይጎዳል። ይህ ሁኔታ የዓይን ዳርማል ሜላኖሲስ ተብሎም ይጠራል, በተያዙ ሜላኖይቶች ምክንያት ግራጫ-ሰማያዊ ቀለም ያመጣል. ብዙውን ጊዜ በአንደኛው የፊት ክፍል ላይ ይታያል እና የዓይንን, የፊት ቆዳን እና አንዳንድ ጊዜ የአፍ ጣራዎችን ሊያካትት ይችላል. ይህ ችግር ያለባቸው ሰዎች የዓይን ሜላኖማ እና ግላኮማ የመያዝ እድላቸው ከፍተኛ ነው። የኢቶ ኔቪስ ተመሳሳይ ነው ነገር ግን የተለያዩ የነርቭ አካባቢዎችን ይጎዳል።
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 ሞንጎሊያውያን ስፖት በመባልም ይታወቃል። አዲስ በተወለዱ ሕፃናት ላይ የሚታየው የተለመደ የልደት ምልክት ነው. ከተወለደበት ጊዜ ጀምሮ ወይም ብዙም ሳይቆይ በቆዳው ላይ እንደ ግራጫ-ሰማያዊ ነጠብጣቦች ይታያል. እነዚህ ምልክቶች በተለምዶ ከታች ጀርባ እና መቀመጫዎች ላይ ይገኛሉ, ትከሻዎች የሚቀጥለው የጋራ ቦታ ናቸው. በእስያ እና በጥቁር ጨቅላዎች ውስጥ በብዛት ይገኛሉ, ወንዶችንም ሴቶችንም እኩል ይጎዳሉ. ብዙውን ጊዜ ከ1 እስከ 6 ዓመት ባለው ጊዜ ውስጥ በራሳቸው ይጠፋሉ እና በአጠቃላይ ምንም ጉዳት ስለሌላቸው ምንም ዓይነት ሕክምና አያስፈልጋቸውም።
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.
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