Search results
Definition: Oculodermal melanosis (Nevus of Ota, melanosis oculi), also known as oculodermal melanocytosis, oculomucodermal melanocytosis, or congenital melanosis bulbi, is a benign mesodermal melanosis involving the distributions of the ophthalmic and maxillary trigeminal nerve with associated hyperpigmentation of the eye and its adnexa.
Naevus of Ota, naevus of Ito and naevus of Hori are special melanocytic naevi that have a slate-brown or blue/grey colouring. They are forms of dermal melanocytosis in which naevus cells are found deep within the dermis. Naevus of Ota is on the forehead and face around the eye area.
Jul 10, 2023 · Ocular dermal melanosis, also known as nevus of Ota or oculodermal melanocyte, is benign melanosis that involves the distribution of the trigeminal nerve, mainly the ophthalmic and the maxillary divisions with associated hyperpigmentation of the eye and its adnexa. It occurs most commonly unilaterally.
Nevus of Ota is caused by the entrapment of melanocytes in the upper third of the dermis. It is found only on the face, most commonly unilaterally, rarely bilaterally and involves the first two branches of the trigeminal nerve.
Mar 3, 2018 · Nevus of Ota is a type of dermal melanocytosis (excessive melanocytes in the tissues) that causes the hyperpigmentation of an eye and the surrounding area. It often takes the form of...
May 20, 2024 · Nevus of Ota is a condition where hyperpigmentation occurs around the eye and sometimes in the eye itself. Hyperpigmentation is when some patches of skin are darker than the surrounding skin. Nevus...
Nov 16, 2022 · Nevus of Ota, also called oculodermal melanocytosis, is characterized by dark spots (called hyperpigmented lesions) on the face and one eye. It is a benign (non-cancerous) form of melanosis, which is a condition caused by an abnormal amount of melanin or other pigment-discoloring tissue.
Nevus of Ota (NO) is a relatively common pigmentary disorder in Asians. Tanino's classification is an old but tacit consensus to delineate the disease. Various treatment options have been presented.
Oculodermal melanocytosis (ODM) or nevus of Ota is an asymptomatic, flat melanocytic lesion of the skin, and mucosae characterized by brown or blue-gray coloration, oval-shape, and poorly defined contours that can involve the episclera, sclera, and uvea of the eye [1].
Mar 26, 2019 · Nevus of Ota, which originally was described by Ota and Tanino in 1939, is a hamartoma of dermal melanocytes. Clinically, nevus of Ota presents as a blue or gray patch on the face, which is...
