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Dear Sir, We report, for the first time, the association of an intracranial meningeal melanocytoma and superficial siderosis. Meningeal melanocytoma (MM) is an uncommon pigmented neoplasm that affects the central nervous system (CNS) and develops in the cranial and spinal leptomeninges. It is a member of the group of primary leptomeningeal melanocytic(More)
Pneumorrhachis (PR), the presence of air in the spinal canal, is a rare but suggestive radiographic finding, associated to different aetiologies and possible pathways of air entry into the spinal canal. It can be divided into primary and secondary PR, descriptively classified into extra- or intradural PR and aetiologically subsumed into iatrogenic,(More)
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