Unilateral Internuclear Ophthalmoplegia and Upbeat Nystagmus Due to a Rapidly Enlarging Cavernous Malformation and Associated Developmental Venous Anomaly

Affiliation

• ¹ Department of Neurology (AC, CQ), Massachusetts General Hospital, Brigham and Women's Hospital, Boston, Massachusetts; Department of Neurosurgery (MJA), Cedars-Sinai Medical Center, Los Angeles, California; Neuro-Ophthalmology Service, Department of Ophthalmology (JFR), Massachusetts Eye and Ear Infirmary, Boston, Massachusetts; and Department of Neurology (MM), Massachusetts General Hospital, Boston, Massachusetts.