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Neurocutaneous Melanosis with Bilateral Temporal Lobe Lesions without Leptomeningeal Enhancement: A Distinct Entity
Sanjay Kumar1, Subir Dey2, Yayati Pimpalwar3
1Department of Neurosurgery, Command Hospital (Southern Command), Pune, Maharashtra, India.
Abstract:
Neurocutaneous melanosis (NCM) is a rare congenital disorder. Most of the cases described in literature for this entity have involvement of the leptomeninges and other structures of brain such as brain stem, temporal lobes, and spinal meninges and no involvement of leptomeninges and presence of lesions in bilateral temporal lobes. NCM without the involvement of leptomeninges should be considered a distinct entity as the prognosis is favorable as compared to cases with leptomeningeal involvement who develop early hydrocephalus and multiple cranial nerve palsies.
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