نتایج جستجو برای: oculodermal melanocytosis
تعداد نتایج: 192 فیلتر نتایج به سال:
Introduction Meningeal melanocytomas are rare tumors of the CNS that develop from melanocytes that are present in leptomeninges, with differing pigmented appearance. They generally occur in the posterior fossa and the spinal cord. This lesion may manifest at any age, but most patients are in the fifth decade of life. Occasionally, these tumors appear in a complex neurocutaneous grouping with ot...
PURPOSE To report the development of a cavitary choroidal melanoma in a patient with nevus of Ota and describe its magnetic resonance imaging (MRI) features. PATIENT A 66-year-old man with right oculodermal melanocytosis and an ipsilateral choroidal cavitary melanoma was seen. Diagnosis was suspected on the clinical, ultrasonographic and MRI findings. RESULTS T1-weighted image showed a hype...
The nevus of Ota also known as "congenital melanosis bulbi" and "oculodermal melanocytosis" is a blue-gray hyperpigmentation that occurs on the face and eyes. The sclera is involved in two-thirds of cases (causing an increased risk of glaucoma). Women are nearly five times more likely to be affected than men. It is rare among Caucasian people. The nevus of Ota is congenital or acquired. Most ca...
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