MR of parenchymal neurocutaneous melanosis.
نویسندگان
چکیده
Two cases of neurocutaneous melanosis are presented. MR showed hyperintense areas in the brain on short-repetition-time/short-echo-time sequences, compatible with intraparenchymal melanin deposits. No leptomeningeal abnormality was seen.
منابع مشابه
Parenchymal Neurocutaneous Melanosis in Association with Intraventricular Dermoid and Dandy-Walker Variant: A Case Report
Neurocutaneous melanosis (NCM) is a rare congenital disease that is characterized by the presence of large or multiple congenital melanocytic nevi and melanotic lesions of the central nervous system. We report here on the CT and MR imaging findings of an unusual case of NCM that was associated with intraventricular dermoid and Dandy-Walker malformation.
متن کاملDiffuse leptomeningeal hyperintensity on fluid-attenuated inversion recovery MR images in neurocutaneous melanosis.
Neurocutaneous melanosis (NCM) is a rare neuroectodermal dysplasia characterized by large or multiple cutaneous congenital pigmented nevi and benign or malignant melanocytic tumors of the leptomeninges. Although the MR manifestations of this disease have been reported in a small series of cases, the usefulness of fluid-attenuated inversion recovery (FLAIR) MR findings has not been documented. W...
متن کاملMR of neurocutaneous melanosis.
PURPOSE To describe the MR findings of neurocutaneous melanosis in the brain and correlate these with the known pathology and proposed embryologic basis of this disorder. METHODS The brain (seven patients) and spine (three patients) MR scans of seven patients with neurocutaneous melanosis were retrospectively reviewed. In two patients, findings were confirmed at surgery. The pattern of centra...
متن کاملNeurocutaneous melanosis and temporal lobe tumor in a child: MR study.
The concept of neurocutaneous melanosis was described in 1948 by Van Bogaert [1] as a nonfamilial neuroectodermal dysplasia, but the first report of an individual with stigmata of neurocutaneous melanosis was made by Rokitansky [2] in 1861. The criteria to be met for diagnosis are large multiple pigmented skin nevi (more than 20 em in diameter) with an excess of melanotic cells in the leptomeni...
متن کاملAssociation of Dandy-Walker Malformation and Neurocutaneous Melanosis in a Newborn: A Case Report
Background: This case report presents a very rare Dandy-Walker malformation (DWM) in association with a sporadic condition characterized by congenital melanocytic nevi and melanocytic thickening of the leptomeninges called Neurocutaneous melanosis (NCM). The DWM is a rare congenital disorder characterized by enlarged posterior fossa and a cystic enlargement of the four...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- AJNR. American journal of neuroradiology
دوره 16 3 شماره
صفحات -
تاریخ انتشار 1995