Ota nevus - Ota Nevo
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References
Ota Nevus è uno scurimento benigno della pelle, principalmente attorno all'area del nervo trigemino, che colpisce soprattutto le regioni dell'occhio servite dalla prima e dalla seconda divisione di questo nervo. Questa condizione, chiamata anche melanosi dermica oculare, provoca una colorazione grigio-blu dovuta ai melanociti intrappolati. Di solito appare su un lato del viso e può coinvolgere l'occhio, la pelle del viso e talvolta il palato. Le persone con questa condizione hanno una maggiore probabilità di sviluppare melanoma oculare e glaucoma. Il nevo di Ito è simile ma colpisce aree nervose diverse.
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 è anche conosciuta come macchia mongola. È un tipo comune di voglia osservata nei neonati. Appare come chiazze grigio-blu sulla pelle dalla nascita o subito dopo. Questi segni si trovano tipicamente sulla parte bassa della schiena e sui glutei, con le spalle che sono la successiva posizione comune. Sono più frequenti nei neonati asiatici e neri, colpendo allo stesso modo sia i maschi che le femmine. Di solito, scompaiono da soli all'età di 1-6 anni e generalmente non necessitano di alcun trattamento poiché sono per lo più innocui.
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.
È stato segnalato che l'uso di un laser Q-switched da 1064 nm ha avuto successo nel trattamento del nevo di Ota.
○ Trattamento
#QS-1064 laser