Dr. Shriram Varadharajan

Senior Consultant (Neuroradiology) & Clinical Lead (Brain and Spine Imaging)
MBBS, MD, DM, MSc, PG Dip (Clinical Neurology), ASC-BC
Chennai - Radial Road
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Dr. Shriram Varadharajan - Best Neuroradiologist in Chennai
Speciality: Neuroradiology (Brain & Spine Imaging), Stroke & Cerebrovascular diseases
Brief Profile
Dr. Shriram Varadharajan is a Neuroradiologist who completed his education at prestigious institutions such as Madras Medical College, PGIMER & Dr. RML Hospital, and the National Institute of Mental Health and Neurosciences (NIMHANS). He has worked previously as an Assistant Professor in the Department of Radiodiagnosis (Neuroimaging) between 2016-18 and as the lead consultant for Neuroradiology from 2018 to 22. He helped establish the division of neuroimaging and was the first to start advanced neuroimaging studies (fMRI) in Coimbatore.
He specialises in clinical and advanced neuroimaging, with an emphasis on brain and spine studies, with a combined value and evidence-based approach. He is the founder member of vebinars (an online neuroimaging platform). He is actively involved in teaching and academics.He has over 30 national and international publications and book chapters.
He is also interested in stroke systems of care optimisation, including pre-hospital work, telestroke, physician and paramedical training, acute remote triage selection, imaging, interventions, stroke unit care assessments, assisted discharge, and rehabilitation discussions with an emphasison improvement of quality metrics showing holistic interest across the spectrum of its interventions backed by his fellowship training and international accreditations.
Educational Qualifications
  • MBBS & CRRI-Madras Medical College, Chennai, India
  • MD Radio-diagnosis -PGIMER & Dr. RML Hospital, New Delhi, India
  • DM Neuroradiology- National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, India
  • M.Sc Stroke Medicine -Danube University Krems, Austria
  • PG Diploma Clinical Neurology (by distance learning), UCL, London, UK
  • Advanced Stroke Coordinator (ASC) 2021 – Board Certified, ANVC, USA
International Recognitions
  • Member of selected representatives, World Stroke Organization (WSO) Advocacy toolkit planning during WSC, Hyderabad October 2016
  • Travel grant winner for attending Live Interventional Neuroradiology & Neurosurgery Course (LINNC) ASIA, Singapore November 2016
  • EXMINT 2021 Stroke Diploma
  • Fellowship – Stroke & Cerebrovascular diseases, Alberta, Canada (4 months: 2022-23)
  • Short Term External Fellowships:
  • Traineeship in Neurosonology & Stroke, NUHS, Singapore, 2019
  • Observership, Acute Stroke Unit, Changi Hospital, Singapore, 2019 Practicum, Neurology, CHUV Lausanne, Switzerland, 2019
  • Practicum, Neuroradiology, Bern, Switzerland, 2019
Recent Publications
1. Susceptibility Weighted MRI Imaging as an imaging marker for Reperfusion Injury in Acute Ischemic Stroke Following Mechanical Thrombectomy (Original Article – Accepted for publication in Neurology India)
2. Evaluation of Occlusive Disease of the Large Cervicocranial Arteries. Arvind Sharma, Shriram Varadharajan, Nitya Beriwal, Vijay K Sharma. (Book Chapter – Reviews in Neurology 2019 Stroke)
3. Sagar Ghodasara, Rohit Balasubramanian, Muthuswamy Dhiwakar, Shriram Varadharajan, et al. Skull base aspergilloma mimicking meningioma in immuno- competent patient, Interdisciplinary Neurosurgery, 10.1016/j.inat.2021.101159.
4. Nedunchelian M, Varadharajan S, Keerthy S, et al. Arterial Spin Labelling Patterns in Acute Large Vessel Occlusion Stroke. Journal of Stroke Medicine. April 2021. (Brief report)
5. Role of advanced (magnetic resonance) neuroimaging and clinical outcomes in neonatal strokes: Experience from tertiary care center. Sarjare S, Nedunchelian M, Ravichandran S, et al. The Neuroradiology Journal. 2022;0(0). doi:10.1177/19714009221130488
6. Predicting Imaging Outcomes in Acute Stroke Therapy-Comparison of Magnetic Resonance Imaging and Computed Tomography. Deepa Krishnaswamy D, Cannane S, Nedunchelian M, Varadharajan S, Poyyamoli S, Mehta P, Cherian M. August 2022 Journal of Clinical Interventional Radiology DOI: 10.1055/s-0041-1736085
7. Sundaram G, Balasubramanian R, Christopher N, Varadharajan S, Cannane S. Reperfusion Injury in the Cord-Rare Case of Pediatric White Cord Syndrome. Journal of Stroke Medicine. 2022;5(1):62-64. doi:10.1177/25166085221096509
8. Nedunchelian M, Varadharajan S, G P, et al. DWI-FLAIR Mismatch in Stroke: “P.S.” (Partial Strategic Concept) for Clinical Practice. Journal of Stroke Medicine. 2022;5(2):139-142. doi:10.1177/25166085221122393
Areas of Specialisation
  • Stroke and Acute Cerebrovascular Emergencies
  • Clinical and advanced neuroimaging including functional studies
  • Artificial intelligence / applications in Neuroimaging
  • Neuroimaging research / translational studies such as radiogenomics in neuro-oncology
  • Indian Radiological and Imaging Association (IRIA) 107PLM/C-610A
  • Society of Therapeutic Neurointerventions (STNI) NI-88
  • Indian Stroke Association (ISA) ISA-712-LM
  • Indian Society of Neuroradiology (ISNR)
  • World Stroke Organization (WSO)
  • European Stroke Organization (ESO)
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