Ota nevus - Ota Névus
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References
Ota Nevus je benigní ztmavnutí kůže hlavně v oblasti trojklaného nervu, většinou postihující oblasti oka obsluhované prvním a druhým oddělením tohoto nervu. Tento stav, nazývaný také oční dermální melanóza, způsobuje šedomodré zbarvení v důsledku zachycených melanocytů. Obvykle se objevuje na jedné straně obličeje a může zahrnovat oko, pokožku obličeje a někdy i střechu úst. Lidé s tímto onemocněním mají vyšší pravděpodobnost vzniku očního melanomu a glaukomu. Nevus of Ito je podobný, ale ovlivňuje různé nervové oblasti.
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 je také známý jako mongolská skvrna. Je to běžný typ mateřského znaménka, který se vyskytuje u novorozenců. Objevuje se jako šedomodré skvrny na kůži od narození nebo krátce po něm. Tyto značky se obvykle nacházejí na spodní části zad a hýždí, přičemž ramena jsou dalším běžným místem. Jsou častější u asijských a černých kojenců a postihují stejně chlapce i dívky. Obvykle samy vymizí ve věku 1 až 6 let a obecně nepotřebují žádnou léčbu, protože jsou většinou neškodné.
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.
Použití Q-switched 1064 nm laseru bylo hlášeno jako úspěšné při léčbě Ota nevusu.
○ Léčba
#QS-1064 laser