Meningeal Melanomatosis, also known as leptomeningeal melanomatosis, is related to weber syndrome and sturge-weber syndrome, and has symptoms including headache, vomiting and neurologic symptoms. An important gene associated with Meningeal Melanomatosis is GNAQ (G Protein Subunit Alpha Q), and among its related pathways/superpathways are Signal Transduction and Prolactin Signaling. Affiliated tissues include spinal cord and bone marrow, and related phenotypes are limbs/digits/tail and pigmentation