Mystery Case: Dural melanocytoma with leptomeningeal melanocytosis
نویسندگان
چکیده
منابع مشابه
Primary leptomeningeal melanocytosis--a case report with an autopsy diagnosis.
INTRODUCTION Primary melanocytosis of the leptomeninges is a rare tumor, most likely originating from the melanocytes in the leptomeninges. The average survival is only about 5 months. CASE REPORT A 61-years-old woman presented with headache, amaurosis and hallucinations lasted for two months, and she had been treated at the Clinic for Psychiatry and Clinic for Infectious Diseases. The cerebr...
متن کامل[Melanocytoma and meningeal melanocytosis, similar but different lesions].
BACKGROUND Meningeal melanomatosis is an extra-axial well-encapsulated malignant tumour with diffuse meningeal growth and dark coloration (due to high melanin contents), while meningeal melanocytoma is the focalized benign variant. Melanocytic lesions may be secondary to melanoma or be histologically benign, however, their diffuse nature makes them impossible to cure. Melanocytosis is a diffuse...
متن کاملSpinal Meningeal Melanocytoma with Benign Histology Showing Leptomeningeal Spread: Case Report
Meningeal melanocytoma is a rare benign tumor with relatively good prognosis. However, local aggressive behavior of meningeal melanocytoma has been reported, especially in cases of incomplete surgical resection. Malignant transformation was raised as possible cause by prior reports to explain this phenomenon. We present an unusual case of meningeal melanocytoma associated with histologically be...
متن کاملMultiple Dural Tuberculomas Presenting as Leptomeningeal Carcinomatosis
Objective and Importance. We present the rare occurrence of multiple dural-based tuberculomas mimicking leptomeningeal carcinomatosis in a young immunocompetent patient. Clinical Presentation. A 36-year-old man presented with a 2-month history of generalized epileptic activity and altered perception. Neurological examination was remarkable for bilateral Babinski's sign. Cranial magnetic resonan...
متن کاملAn unusual case of congenital dermal melanocytosis.
Dermal melanocytosis is characterized by the presence of ectopic melanocytes in the dermis. The most common forms include the Mongolian spot, blue nevus, nevus of Ota, and nevus of Ito. Some types of dermal melanocytosis do not fit into any of these morphologic categories, however. Our case demonstrated an extensive amount of uniform deep blue patches of nevi with unilateral distribution on the...
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ژورنال
عنوان ژورنال: Neurology
سال: 2017
ISSN: 0028-3878,1526-632X
DOI: 10.1212/wnl.0000000000003654