Tl-201 Uptake in an Intracranial Primary Malignant Melanoma

A 32-year-old man had a giant pigmented nevus in general at birth in the head, face, chest, and back, and mental retardation and right hemiparesls (unknown cause) developed. A malignant melanoma was suspected on clinical evidence plus the images. At cranlotomy, an intracranial primary malignant melanoma was diagnosed that originated in the pia matter with neurocutaneous melanosis.