title: Visual vignette.
authors.affiliation: Department of Neurosurgery, Unit-I, Christian Medical College and Hospital, Vellore, India.
authors.forename: Raghavendra
authors.initials: R
authors.lastname: Nayak
authors.affiliation: Department of Endocrinology, Diabetes, and Metabolism, Christian Medical College and Hospital, Vellore, India.
authors.forename: Sahana
authors.initials: S
authors.lastname: Shetty
authors.affiliation: Department of Endocrinology, Diabetes, and Metabolism, Christian Medical College and Hospital, Vellore, India.
authors.forename: Nitin
authors.initials: N
authors.lastname: Kapoor
authors.affiliation: Department of Neurosurgery, Unit-I, Christian Medical College and Hospital, Vellore, India.
authors.forename: Ari G
authors.initials: AG
authors.lastname: Chacko
authors.affiliation: Department of Neurosurgery, Unit-I, Christian Medical College and Hospital, Vellore, India.
authors.forename: Thomas Vizhalil
authors.initials: TV
authors.lastname: Paul