Title : Paraneoplastic neurological syndromes presenting with paraneoplastic ptosis in an infant with acute lymphoblastic leukemia: A case reportRunning title : Paraneoplastic ptosis by infantile leukemiaAuthors : Eri Ohashi1, Itaru Hayakawa1, and Yuichi Abe1Affiliations :1 Division of Neurology, National Center for Child Health and Development, Tokyo, JapanKey words: Lambert-Eaton myasthenic syndrome; Ptosis; Paraneoplastic syndrome; Acute lymphoblastic leukemia; Paraneoplastic neurological syndrome; Myasthenia gravisWord count : 619words