Ota nevus
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Gall effeithio ar yr ardal gyfun.
References
Mae Ota Nevus yn dywyllu croen anfalaen yn bennaf o amgylch ardal y nerf trigeminol, sy'n effeithio'n bennaf ar ranbarthau'r llygad a wasanaethir gan adrannau cyntaf ac ail y nerf hwn. Mae'r cyflwr hwn, a elwir hefyd yn felanosis dermol llygadol, yn achosi afliwiad llwyd-las oherwydd melanocytau caeth. Mae fel arfer yn ymddangos ar un ochr i'r wyneb a gall gynnwys y llygad, croen yr wyneb, ac weithiau to'r geg. Mae gan bobl â'r cyflwr hwn siawns uwch o ddatblygu melanoma llygaid a glawcoma. Mae nevus o Ito yn debyg ond yn effeithio ar wahanol feysydd nerfol.
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.
Gelwir Congenital dermal melanocytosis hefyd yn fan Mongolaidd. Mae'n fath cyffredin o nod geni a welir mewn babanod newydd-anedig. Mae'n ymddangos fel clytiau llwyd-las ar y croen o enedigaeth neu'n fuan wedyn. Mae'r marciau hyn i'w cael yn nodweddiadol ar y cefn isaf a'r pen-ôl, ac ysgwyddau yw'r lleoliad cyffredin nesaf. Maent yn amlach mewn babanod Asiaidd a Du, gan effeithio ar fechgyn a merched yn gyfartal. Fel arfer, maent yn diflannu ar eu pen eu hunain erbyn 1 i 6 oed ac yn gyffredinol nid oes angen unrhyw driniaeth arnynt gan eu bod yn ddiniwed ar y cyfan.
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.
Adroddwyd bod y defnydd o laser 1064 nm wedi'i gyfnewid â Q yn llwyddiannus wrth drin nevus Ota.
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#QS-1064 laser