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M. Benjamin Larkin, Robert Y. North, and Ashwin Viswanathan

-guided cordotomy for pain . In: Burchiel K , ed. Handbook of Pain Surgery . Thieme ; 2018 : 296 – 311 . 4 Nathan JK , Chenji G , Patil PG . Open surgical and percutaneous radiofrequency cordotomy . In: Gross RE , Boulis N , eds. Neurosurgical Operative Atlas: Functional Neurosurgery . 3rd ed. Thieme ; 2018 : 246 – 252 . 5 Taren JA , Davis R , Crosby EC . Target physiologic corroboration in stereotaxic cervical cordotomy . J Neurosurg . 1969 ; 30 ( 5 ): 569 – 584 . 6 Macchi G , Jones EG . Toward an agreement on terminology of nuclear and

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M. Benjamin Larkin, Robert Y. North, Aditya Vedantam, and Ashwin Viswanathan

, Davis R , Crosby EC . Target physiologic corroboration in stereotaxic cervical cordotomy . J Neurosurg . 1969 ; 30 ( 5 ): 569 – 584 . 5 Nauta HJW , Hewitt E , Westlund KN , Willis WD Jr . Surgical interruption of a midline dorsal column visceral pain pathway. Case report and review of the literature . J Neurosurg . 1997 ; 86 ( 3 ): 538 – 542 . 6 El-Naggar AO , Sandwell SE . Dorsal root entry zone: spinal cord . In: Gross RE , Boulis N , eds. Neurosurgical Operative Atlas: Functional Neurosurgery . 3rd ed. Thieme ; 2018 : 235

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Gaddum D. Reddy, Regina Okhuysen-Cawley, Viraat Harsh, and Ashwin Viswanathan

chronic pain . Neurophysiol Clin 20 : 399 – 423 , 1990 22 Tasker RR , Percutaneous cordotomy for persistent pain . Gildenberg PL , Tasker RR : Textbook of Stereotactic and Functional Neurosurgery New York , McGraw-Hill , 1998 . 1491 – 1505 23 Yegul I , Erhan E : Bilateral CT-guided percutaneous cordotomy for cancer pain relief . Clin Radiol 58 : 886 – 889 , 2003 24 Zuurmond WW , Perez RS , Loer SA : Role of cervical cordotomy and other neurolytic procedures in thoracic cancer pain . Curr Opin Support Palliat Care 4 : 6 – 10

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M. Benjamin Larkin, John P. McGinnis, Rita I. Snyder, Eric A. Storch, Wayne K. Goodman, Ashwin Viswanathan, and Sameer A. Sheth

classification framework for research on mental disorders . Am J Psychiatry . 2010 ; 167 ( 7 ): 748 – 751 . 18 Insel TR . The NIMH Research Domain Criteria (RDoC) Project: precision medicine for psychiatry . Am J Psychiatry . 2014 ; 171 ( 4 ): 395 – 397 . 19 Bari AA , Mikell CB , Abosch A , . Charting the road forward in psychiatric neurosurgery: Proceedings of the 2016 American Society for Stereotactic and Functional

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Alina Mohanty, Visish M. Srinivasan, Jan-Karl Burkhardt, Jeremiah Johnson, Akash J. Patel, Sameer A. Sheth, Ashwin Viswanathan, Daniel Yoshor, and Peter Kan

-threatening surgery. In-person encounters can provide more “assurance,” in the words of one patient. Another patient stated, “[I] would support [telemedicine] for follow-up, but might be hesitant to. . .for a new condition.” One subspecialty in which this patient-surgeon relationship is incredibly important is neurosurgical oncology; perhaps for this reason, all three of the neurosurgical oncologists surveyed preferred in-person visits to telehealth visits. One subspecialty group that did not prefer follow-up appointments for telehealth was functional neurosurgery; both of our

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disease and who are drugs treatment-refractory DBS has been applied. Methods Since November 2004 in the Functional Neurosurgery Unit at Galeazzi Hospital, Milan, 50 patients (age min/ma× 16–58; 35male/15female) have been treated with DBS. Four different target have been used: Vo-CM/Pf, NA-ALIC, antero-medial and posteroventral Gpi. The targets were chosen according to the symptoms presented by the subjects. Results Long term follow-up (2–9 years) showed significant reduction in tic severity (p <0.001), and improvement in obsessive compulsive behaviours (p=0