A rare neoplastic syndrome characterized by the presence of unilateral lipomas of the cranium, face and neck, and ipsilateral cerebral malformations. The disease is encephalocraniocutaneous lipomatosis (Monarch Disease Ontology id MONDO_0013074). Also known as: ECCL, Fishman syndrome, Haberland syndrome, encephalocraniocutaneous lipomatosis, somatic mosaic.