Dr. Rajesh was trained in Neurosurgery at the prestigious National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore under the giants in the field. Further, he received advanced training in brain, spine, and skull base tumor surgery in adult and pediatric patients at the Tata Memorial Hospital, Mumbai. He was also trained in surgery of peripheral nerve injuries, nerve reconstruction, and nerve tumors at the University of Calgary. He has multiple peer-reviewed publications and book chapters to his credit. Dr. Rajesh has a special interest in neurooncology, skull base pathologies, neurotrauma, spine surgery, and peripheral nerve reconstructions.

Qualification

• MBBS - Academy of Medical Sciences, Pariyaram, Kannur
• MCh Neurosurgery - National Institute of Mental Health & Neuro Sciences (NIMHANS), Bangalore
• DNB Neurosurgery - National Board of Examinations in Medical Sciences, New Delhi
• Member of the National Academy of Medical Sciences (MNAMS)
• Fellow of the European Board of Neurological Surgery (FEBNS)
• Fellowship in adult and pediatric neurosurgical oncology - Tata Memorial Hospital, Mumbai
• Fellowship in peripheral nerve neurosurgery - University of Calgary, Canada

Expertise/Interest Area

• Neurooncology
• Skull base pathologies
• Neurotrauma
• Spine surgery, and peripheral nerve reconstructions

Research and Publications

• Book chapter: Pathiyil, R.K. (2023). Intraoperative Adjuncts in Tumor Surgery. In: Neuro-Oncology Explained Through Multiple Choice Questions. Springer, Cham. https://doi.org/10.1007/978-3-031-13253-7_6.
• Savardekar AR, Krishna R, Arivazhagan A. Spontaneous intraventricular rupture of pyogenic brain abscess: A short series of three cases and review of literature. Surg Neurol Int. 2016 Dec 5;7(Suppl 39):S947-S951. doi: 10.4103/2152-7806.195231. PMID: 28031988; PMCID: PMC5180438. 
• Pathiyil RK, Moiyadi AV, Shetty P, Singh V, Velayutham P. Transopercular Approach to Resection of Dominant Hemisphere Diffuse Insular Glioma Using Multimodal Intraoperative Strategy with Awake Mapping. Neurol India. 2022 Mar-Apr;70(2):520-523. doi: 10.4103/0028-3886.344621. PMID: 35532613.
• Umansky D, Hagen KM, Chu TH, Pathiyil RK, Alzahrani S, Ousman SS, Midha R. Functional Gait Assessment Using Manual, Semi-Automated and Deep Learning Approaches Following Standardized Models of Peripheral Nerve Injury in Mice. Biomolecules. 2022; 12(10):1355. https://doi.org/10.3390/biom12101355
• Pathiyil RK, Elzinga K, Umansky D, Midha R. Distal anterior interosseous nerve to ulnar nerve motor branch reverse end-to-side transfer in a case of severe ulnar neuropathy. Neurosurgical Focus: Video. 2023;8(1):V4-. doi:10.3171/2022.9.FOCVID2282
• Pathiyil, R. K., Alzahrani, S., & Midha, R. (2023). Reverse End-to-Side Transfer to Ulnar Motor Nerve: Evidence From Preclinical and Clinical Studies. Neurosurgery, 10.1227/neu.0000000000002325. https://doi.org/10.1227/neu.0000000000002325
• Chu T, Alzahrani S, McConnachie A, Lasaleta N, Kalifa A, Pathiyil R, Midha R. Perineurial Window is Critical for Experimental Reverse End-to-Side Nerve Transfer. Neurosurgery ():10.1227/neu.0000000000002481, April 5, 2023. | DOI: 10.1227/neu.0000000000002481 
• Singh V, Pathiyal R, Shetty P, Sridhar E, Chinnaswamy G, Gupta T, Moiyadi A. Epidemiological Profile And Management Trends in Pediatric Brain Tumour Patients – 15 Year Experience From a Tertiary Neuro-Oncology Centre In South Asia. Neuro Oncol. 2022 Jun 3;24(Suppl 1):i166. doi: 10.1093/neuonc/noac079.618. PMCID: PMC9164629.

Experience

• Assistant Professor - Neurosurgical Oncology, Department of Surgical Oncology, Malabar Cancer Centre & Post Graduate Institute of Oncology Sciences and Research (PGIOSR), Thalassery
• Clinical Fellow in Peripheral Nerve Neurosurgery, Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
• Clinical Fellow, Division of Neurosurgical Oncology, Department of Surgical Oncology, Tata Memorial Hospital, Parel, Mumbai
• Visiting Consultant - Neurosurgical Oncology, MVR Cancer Centre & Research Institute, Poolacode, Kozhikode.
• Post MCh Senior Resident, Department of Neurosurgery, National Institute of Mental Health & Neuro Sciences (NIMHANS), Bangalore