Dr. Dhandapani Sivashanmugam

Secretary, CEMIBSS
Fellow in Minimally Invasive & Endoscopic Neurosurg, Weill Cornell, NY, USA
Additional Professor, Dept. of Neurosurgery
Post Graduate Institute of Medical Education and Research
(PGIMER)(Institute of National Importance)
Sector 12, Chandigarh-160012, India

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Weill Cornell Medical College
Minimally Invasive & Endoscopic Neurosurgery Fellowship,
New York, United States

All India Institute of Medical Sciences
M.Ch., Neurosurgery
New Delhi, India

Jawaharlal Institute of Postgraduate Medical Education & Research
Puducherry, Pondicherry, India

Past Faculty Experience:

Asst. Professor, CMC, Vellore

Assoc. Prof, PIMS, Puducherry

Asst. Professor, Safdarjung Hospital & VMMC, New Delhi

International Training:

Weill Cornell, NY, USA

INI, Hannover, Germany; NCVC, Osaka, Japan

NTRI, The Alfred, Melbourne, Australia

DYBTRH, Ankara & EUH, Kayseri: Turkey

Courses/Affiliations : NSI, NASS, NSSI, NTSI, SBSSI, ISCVS, NSSA, AO Spine, ATLS, DNA, ANNWZ

Awards and Honors

  • Min. Inv. Endoscopic Neurosurg. Fellowship, 2015, Weill Cornell, NY, USA
  • WFNS Young Neurosurgeon Scholarship, 2017, Istanbul, Turkey
  • Japan-India Young Neurosurgeon Scholarship, 2012, Osaka, Japan
  • Asia Pacific Trauma QI Fellowship, 2010, Melbourne, Australia
  • NextGen Young Neurosurgeon Award (2 nd): 6 th INSU (AASNS), 2016, Mumbai
  • PGIMER Annual Research Day Award, 2017, Chandigarh
  • PGIMER Annual Research Day Award, 2016, Chandigarh
  • KK Bisaria Best paper award (First prize): Neurocon 2011, Bengaluru
  • ISCVS Best paper award (First prize): Neurovascon 2013, Hyderabad
  • ISCVS Best paper award (Second): Neurovascon 2012, Mumbai
  • SBSSI Best paper award (Second): Skull Base 2011, Vellore
  • JB Modi Best paper award (First prize): NTSI conference 2010, Chennai
  • JB Modi Best paper award (First prize): NTSI conference 2006, New Delhi
  • JB Modi Best paper award (First prize): NTSI conference 2005, Kolkata
  • All India 7 th rank : AIIMS MD/ MS entrance exam Nov, 2000
  • Dr. V. Gupta Gold medal for the best MBBS graduate of JIPMER, 2000
  • First place in Pegasus medical quiz (CMC, Vellore), 2000
  • First place in Pegasus medical quiz (CMC, Vellore), 1999
  • First place in IAP pre-zonal pediatric quiz (Madurai), 1999
  • Gold medals in Medicine, Psychiatry, P&SM, O&G, Dermatology, Forensic Medicine, Pharmacology, Microbiology and Biochemistry (JIPMER).
  • Certificates of distinction in Surgery, Medicine, P&SM, O&G, Ophthalmology, Forensic Medicine, Pharmacology, Microbiology, Pathology, Anatomy, Physiology and Biochemistry (JIPMER).
  • State first rank in Higher secondary examination, Tamil Nadu, 1995
  • First rank in Tamil Nadu Professional courses entrance examination, 1995
  • Tenth rank in National level science talent search examination, 1995
  • State fifth rank in Matriculation examination, Tamil Nadu, 1993


  1. “Microendoscopic” versus “pure endoscopic” surgery for spinal intradural mass lesions: a comparative study and review. Spine J . 2018. doi: http://dx.doi.org/10.1016/j.spinee.2018.02.002
  2. Endonasal endoscopic reoperation for residual or recurrent craniopharyngiomas. J Neurosurg . 2017;126(2):418-30. doi: http://dx.doi.org/10.3171/2016.1.jns152238
  3. Reoperative endoscopic endonasal surgery for residual or recurrent pituitary adenomas. J Neurosurg . 2017;127(2):397-408. doi: http://dx.doi.org/10.3171/2016.8.Jns152709
  4. Contralateral supraorbital keyhole approach to medial optic nerve lesions: an anatomoclinical study. J Neurosurg . 2017;126(3):940-4. doi: http://dx.doi.org/10.3171/2016.3.jns1634
  5. The hyperextension triad of type II odontoid fracture, posterior atlantoaxial dislocation (reducible in flexion), and C1 posterior arch fracture: implications on emergency management and anterior versus posterior surgical approach. Spine J . 2016;16(1):e43-4. doi: http://dx.doi.org/10.1016/j.spinee.2015.09.014
  6. Chance fracture in ankylosing spondylitis–not merely by chance! Danger of injudicious use of skull traction. Spine J . 2015;15(11):e47-8. doi: http://dx.doi.org/10.1016/j.spinee.2015.06.065
  7. Idiopathic ankylosis of lumbar spine after nonfusion surgery. Spine J . 2015;15(9):2101-2. doi: http://dx.doi.org/10.1016/j.spinee.2015.04.045
  8. “Artifactual fracture-subluxation” of cervical spine in computed tomography screening sans plain radiographs. Spine J . 2013;13(11):e45-8. doi: http://dx.doi.org/10.1016/j.spinee.2013.06.074
  9. Methylenetetrahydrofolate reductase C677T variant and hyperhomocysteinemia in subarachnoid hemorrhage patients from India. Metab Brain Dis . 2018. doi: http://dx.doi.org/10.1007/s11011-018-0268-5
  10. Comparative evaluation of H&H and WFNS grading scales with modified H&H (sans systemic disease): A study on 1000 patients with subarachnoid hemorrhage. Neurosurg Rev . 2018;41(1):241-7. doi: http://dx.doi.org/10.1007/s10143-017-0843-y
  11. Independent impact of plasma homocysteine levels on neurological outcome following head injury. Neurosurg Rev . 2018;41(2):513-7. doi: http://dx.doi.org/10.1007/s10143-017-0880-6
  12. Grade IV and V arteriovenous malformations. J Neurosurg . 2003;99(2):438-9; author reply 9-40.
  13. Contiguous triple spinal dysraphism associated with Chiari malformation Type II and hydrocephalus: an embryological conundrum between the unified theory of Pang and the unified theory of McLone. J Neurosurg Pediatr . 2016;17(1):103-6. doi: http://dx.doi.org/10.3171/2015.6.peds15179
  14. “Horseshoe cord terminus” sans filum around a bone spur: a rare composite of faulty gastrulation with agenesis of secondary neurulation: case report. J Neurosurg Pediatr . 2013;12(4):411-3. doi: http://dx.doi.org/10.3171/2013.7.peds13221
  15. Cavernous Sinus Invasion in Pituitary Adenomas: Systematic Review and Pooled Data Meta-Analysis of Radiologic Criteria and Comparison of Endoscopic and Microscopic Surgery. World Neurosurg . 2016;96:36-46. doi: http://dx.doi.org/10.1016/j.wneu.2016.08.088
  16. Impact of Early Leukocytosis and Elevated High-Sensitivity C-Reactive Protein on Delayed Cerebral Ischemia and Neurologic Outcome After Subarachnoid Hemorrhage. World Neurosurg . 2016;90:91-5. doi: http://dx.doi.org/10.1016/j.wneu.2016.02.049
  17. Validation of a New Clinico-Radiological Grading for Compound Head Injury: Implications on the Prognosis and the Need for Surgical Intervention. World Neurosurg . 2015;84(5):1244-50. doi: http://dx.doi.org/10.1016/j.wneu.2015.05.058
  18. Median Supraorbital Keyhole Approach for Clipping Ruptured Distal Anterior Cerebral Artery Aneurysm: Technical Report with Review of Literature. World Neurosurg . 2018;112:73-6. doi: http://dx.doi.org/10.1016/j.wneu.2018.01.100
  19. Bevacizumab for Radiation Induced Optic Neuritis Among Aggressive Residual/Recurrent Suprasellar Tumors: More Than a Mere Antineoplastic Effect. World Neurosurg . 2017;107:1044.e5-.e10. doi: http://dx.doi.org/10.1016/j.wneu.2017.07.111
  20. Study of Cognitive Impairments Following Clipping of Ruptured Anterior Circulation Aneurysms. World Neurosurg . 2018. doi: http://dx.doi.org/10.1016/j.wneu.2018.06.048
  21. Prospective study of the correlation between admission plasma homocysteine levels and neurological outcome following subarachnoid hemorrhage: a case for the reverse epidemiology paradox? Acta Neurochir (Wien) . 2015;157(3):399-407. doi: http://dx.doi.org/10.1007/s00701-014-2297-0
  22. Does the impact of elective temporary clipping on intraoperative rupture really influence neurological outcome after surgery for ruptured anterior circulation aneurysms?–A prospective multivariate study. Acta Neurochir (Wien) . 2013;155(2):237-46. doi: http://dx.doi.org/10.1007/s00701-012-1571-2
  23. Prospective comparison of simple suturing and elevation debridement in compound depressed fractures with no significant mass effect. Acta Neurochir (Wien) . 2015;157(2):305-9. doi: http://dx.doi.org/10.1007/s00701-014-2296-1
  24. Study of trends in anthropometric nutritional indices and the impact of adiposity among patients of subarachnoid hemorrhage. Neurol India . 2015;63(4):531-6. doi: http://dx.doi.org/10.4103/0028-3886.162026
  25. Spinal dural arterio-venous fistula: clinico-radiological profile and outcome following surgical occlusion in an Indian neurosurgical center. Neurol India . 2013;61(4):406-10. doi: http://dx.doi.org/10.4103/0028-3886.117616
  26. Visual outcome in 2000 eyes following microscopic transsphenoidal surgery for pituitary adenomas: Protracted blindness should not be a deterrent. Neurol India . 2016;64(6):1247-53. doi: http://dx.doi.org/10.4103/0028-3886.193829
  27. Dose fractionated gamma knife radiosurgery for large arteriovenous malformations on daily or alternate day schedule outside the linear quadratic model: Proof of concept and early results. A substitute to volume fractionation. Neurol India . 2017;65(4):826-35. doi: http://dx.doi.org/10.4103/neuroindia.NI_220_17
  28. How long can the optic nerve defy compression? Neurol India . 2018;66(1):288-9. doi: http://dx.doi.org/10.4103/0028-3886.222838
  29. Comprehensive neuro-ophthalmological assessment in pituitary tumors. Neurol India . 2017;65(3):690-1. doi: http://dx.doi.org/10.4103/0028-3886.205894
  30. Stroke in children due to an oral injury. Neurol India . 2017;65(3):689. doi: http://dx.doi.org/10.4103/0028-3886.205899
  31. Outcome prediction in traumatic brain injury: Is it a “Holy Grail?”. Neurol India . 2017;65(1):87-8. doi: http://dx.doi.org/10.4103/0028-3886.198243
  32. “Stroke by pencil”: A friend turned fiend. Neurol India . 2017;65(1):206-7. doi: http://dx.doi.org/10.4103/0028-3886.198224
  33. Spinal dysraphism masking the presentation of spinal dural arteriovenous fistula: A serendipitous development or a congenital predisposition to an early-onset variant of spinal dural arteriovenous fistula? Neurol India . 2016;64(6):1380-1. doi: http://dx.doi.org/10.4103/0028-3886.193830
  34. Posttraumatic ventriculosubgaleal fistula with underlying hydrocephalus. Neurol India . 2016;64(3):574-5. doi: http://dx.doi.org/10.4103/0028-3886.181581
  35. Is adiposity more than a mere bystander in SAH? Neurol India . 2016;64(1):197-8. doi: http://dx.doi.org/10.4103/0028-3886.173620
  36. The triad of holocord syringomyelia, Chiari malformation and tethered cord: amelioration with simple detethering–a case for revisiting traction hypothesis? Neurol India . 2014;62(6):708-9. doi: http://dx.doi.org/10.4103/0028-3886.149450
  37. Renal small cell carcinoma presenting with solitary lumbar intradural metastasis. Neurol India . 2014;62(5):561-3. doi: http://dx.doi.org/10.4103/0028-3886.144494
  38. Subependymoma causing conus-cauda syndrome: cured by total excision. Neurol India . 2013;61(6):675-7. doi: http://dx.doi.org/10.4103/0028-3886.125375
  39. Unusual presentation of hyperphagia after surgery for fourth ventricular ependymoma: accessory satiety center or hypothalamic seedlings? Neurol India . 2013;61(3):320-1. doi: http://dx.doi.org/10.4103/0028-3886.115086
  40. Third ventricular cyst presenting with bobble head doll movements and tactile hallucinations. Neurol India . 2013;61(1):87-8. doi: http://dx.doi.org/10.4103/0028-3886.108030
  41. Is ligation and division of anterior third of superior sagittal sinus really safe? Clin Neurol Neurosurg . 2013;115(10):1998-2002. doi: http://dx.doi.org/10.1016/j.clineuro.2013.06.003
  42. Lumbar Drains Decrease the Risk of Postoperative Cerebrospinal Fluid Leak Following Endonasal Endoscopic Surgery for Suprasellar Meningiomas in Patients With High Body Mass Index. Oper Neurosurg (Hagerstown) . 2018;14(1):66-71. doi: http://dx.doi.org/10.1093/ons/opx070
  43. Comparative evaluation of MRS and SPECT in prognostication of patients with mild to moderate head injury. J Clin Neurosci . 2014;21(5):745-50. doi: http://dx.doi.org/10.1016/j.jocn.2013.07.038
  44. Factors influencing outcome in patients with colloid cysts who present with acute neurological deterioration. J Clin Neurosci . 2018. doi: http://dx.doi.org/10.1016/j.jocn.2018.06.006
  45. Hemorrhage in astroblastoma: An unusual manifestation of an extremely rare entity. J Clin Neurosci . 2016;25:147-50. doi: http://dx.doi.org/10.1016/j.jocn.2015.05.058
  46. Pressure ulcer in patients with severe traumatic brain injury: significant factors and association with neurological outcome. J Clin Nurs . 2014;23(7-8):1114-9. doi: http://dx.doi.org/10.1111/jocn.12396
  47. Serum albumin level in spontaneous subarachnoid haemorrhage: More than a mere nutritional marker! Br J Neurosurg . 2017:1. doi: http://dx.doi.org/10.1080/02688697.2017.1344615
  48. Non traumatic vertebral lesions: incremental utility of PET-CT over MRI and FNAC in a suggested diagnostic algorithm. Br J Neurosurg . 2017:1-5. doi: http://dx.doi.org/10.1080/02688697.2017.1301377
  49. Tectal glioma presenting with clinical triad of obesity, amenorrhea and central cord syndrome with radiological pentad of hydrocephalus, empty sella, suprapineal diverticula, Chiari and syrinx. Childs Nerv Syst . 2017;33(2):385-7. doi: http://dx.doi.org/10.1007/s00381-016-3266-0
  50. Revisiting the metastatic potential of childhood pineal parenchymal tumor of intermediate differentiation: a case report. Childs Nerv Syst . 2016;32(7):1183-5. doi: http://dx.doi.org/10.1007/s00381-016-3117-z
  51. Landmarks to Identify Petrous Apex Through Endonasal Approach Without Transgression of Sinus. J Neurol Surg B Skull Base . 2018;79(2):156-60. doi: http://dx.doi.org/10.1055/s-0037-1604388
  52. Evaluation of Radiological Indicators of Surgical Plane of Meningiomas. Journal of Neurological Surgery Part B: Skull Base . 2016;77(S 02):LFP-01-3. doi: http://dx.doi.org/DOI:10.1055/s-0036-1592563
  53. Spectrum of Visual Deficits Associated with Pituitary Adenoma and Factors Determining Visual Outcome in More Than 2,000 Eyes. Journal of Neurological Surgery Part B: Skull Base . 2016;77(S 02):FP-02-. doi: http://dx.doi.org/10.1055/s-0036-1592443
  54. Endonasal Endoscopic Surgery for Recurrent Craniopharyngiomas Can Be Equally Effective as Initial Surgery and Ought to Be Offered before Contemplating Radiation. Journal of Neurological Surgery Part B: Skull Base . 2016;77(S 02):LFP-10-03. doi: http://dx.doi.org/10.1055/s-0036-1592607
  55. Keyhole vs Pterional Approach for Clipping Ruptured Anterior Circulation Aneurysms. Turkish neurosurgery . 2017;27(S):294-5.
  56. Pain perception following different neurosurgical procedures: a quantitative prospective study. Contemp Nurse . 2016;52(4):477-85. doi: http://dx.doi.org/10.1080/10376178.2016.1222240
  57. Serum lipid profile spectrum and delayed cerebral ischemia following subarachnoid hemorrhage: Is there a relation? Surg Neurol Int . 2015;6(Suppl 21):S543-8. doi: http://dx.doi.org/10.4103/2152-7806.168067
  58. The prognostic significance of the timing of total enteral feeding in traumatic brain injury. Surg Neurol Int . 2012;3:31. doi: http://dx.doi.org/10.4103/2152-7806.93858
  59. Study of factors determining caregiver burden among primary caregivers of patients with intracranial tumors. Surg Neurol Int . 2015;6:160. doi: http://dx.doi.org/10.4103/2152-7806.167084
  60. Trends in cognitive dysfunction following surgery for intracranial tumors. Surg Neurol Int . 2016;7(Suppl 7):S190-5. doi: http://dx.doi.org/10.4103/2152-7806.179229
  61. Is “en-bloc” excision, an option for select large vascular meningiomas? Surg Neurol Int . 2013;4:102. doi: http://dx.doi.org/10.4103/2152-7806.116307
  62. Totally extradural spinal en plaque meningiomas – Diagnostic dilemmas and treatment strategies. Surg Neurol Int . 2014;5(Suppl 7):S291-4. doi: http://dx.doi.org/10.4103/2152-7806.139610
  63. Marker-CT assisted surgery using household key ring: A simple substitute to frameless stereotaxy for developing countries. Surg Neurol Int . 2014;5:109. doi: http://dx.doi.org/10.4103/2152-7806.137195
  64. Pupil sparing oculomotor nerve paresis after anterior communicating artery aneurysm rupture: False localizing sign or acute microvascular ischemia? Surg Neurol Int . 2015;6:46. doi: http://dx.doi.org/10.4103/2152-7806.153877
  65. Frontal lobe signs after posterior fossa surgery: Is hypoperfusion ignored? Surg Neurol Int . 2016;7:20. doi: http://dx.doi.org/10.4103/2152-7806.176673
  66. Solid hemangioblastoma in the cerebellopontine angle: Importance of external carotid blood supply with regard to the probable site of origin and preoperative embolization. Surg Neurol Int . 2016;7(Suppl 1):S1-4.
  67. Endonasal Endoscopic Transsphenoidal Resection of Tuberculum Sella Meningioma with Anterior Cerebral Artery Encasement. Cureus . 2015;7(8):e311. doi: http://dx.doi.org/10.7759/cureus.311
  68. Types of Azygos Distal Anterior Cerebral Artery Branching Patterns: Relevance in Aneurysmal Surgery. Cureus . 2016;8(7):e681. doi: http://dx.doi.org/10.7759/cureus.681
  69. Prevalence and Trends in the Neuropsychological Burden of Patients having Intracranial Tumors with Respect to Neurosurgical Intervention. Annals of Neurosciences . 2017;24(2):105-10. doi: http://dx.doi.org/10.1159/000475899
  70. The economic divide in outcome following severe head injury. Asian J Neurosurg . 2012;7(1):17-20. doi: http://dx.doi.org/10.4103/1793-5482.95690
  71. Prognostic significance of age in traumatic brain injury. J Neurosci Rural Pract . 2012;3(2):131-5. doi: http://dx.doi.org/10.4103/0976-3147.98208
  72. Desperate Measures: Shunt Insertion under Local Anesthesia. J Neurosci Rural Pract . 2017;8(Suppl 1):S153-s4. doi: http://dx.doi.org/10.4103/jnrp.jnrp_7_17R1
  73. Quality of life among children who had undergone ventriculoperitoneal shunt surgery. J Pediatr Neurosci . 2018;13(2):189-94. doi: http://dx.doi.org/10.4103/jpn.Jpn_118_17
  74. Posterior approach to suboccipital-craniovertebral junction in patients with occipital pressure ulcer – Proposal of Y shaped occipito-cervical incision. J Pediatr Neurosci . 2014;9(2):205-6. doi: http://dx.doi.org/10.4103/1817-1745.139376
  75. Trigonocephaly: A simple modified technique. J Pediatr Neurosci . 2014;9(2):125-8. doi: http://dx.doi.org/10.4103/1817-1745.139305
  76. Ventriculitis and hydrocephalus with hypoglycorrhachia in congenital toxoplasma infection. J Pediatr Neurosci . 2016;11(1):91-2. doi: http://dx.doi.org/10.4103/1817-1745.181270
  77. Sclerosing cholangitis and intracranial lymphoma in a child with classical Wiskott-Aldrich syndrome. Pediatr Blood Cancer . 2017;64(1):106-9. doi: http://dx.doi.org/10.1002/pbc.26196
  78. Anaphylaxis during intraoperative indocyanine green angiography: A complication to watch out. Journal of Neuroanaesthesiology and Critical Care . 2016;3(2):126-8. doi: http://dx.doi.org/10.4103/2348-0548.182329
  79. Left Common Carotid Artery Agenesis with Hypoplastic Left Internal Carotid Artery Originating from the Aortic Arch: A Rare Anomaly Presenting with Internal Carotid Artery Aneurysm and Subarachnoid Hemorrhage. J Clin Interv Radiol . 2016;1:49-52. doi: http://dx.doi.org/10.1055/s-0036-1597952
  80. Knowledge and attitude about seizures among caregivers of patients with supratentorial craniotomy. International Journal of Epilepsy . 2016;1(3):56. doi: http://dx.doi.org/10.1016/j.ijep.2015.12.038
  81. Prognostic value of admission serum albumin levels in patients with head injury. Pan Arab J Neurosurg . 2009;13(1):60-5.
  82. Idiopathic lumbar epidural lipomatosis: A rare cause of lumbar canal stenosis. Pan Arab J Neurosurg . 2010;14(2):117-8.
  83. Role of whole-brain computed tomography perfusion in head injury patients to predict outcome. Indian J Radiol Imaging . 2017;27(3):268-73. doi: http://dx.doi.org/10.4103/ijri.IJRI_454_16
  84. A giant intracranial hydatid cyst in a child: Intraoperative anaesthetic concerns. Indian J Anaesth . 2014;58(4):477-9. doi: http://dx.doi.org/10.4103/0019-5049.139018
  85. Fungal Mycotic Aneurysm in a Case of Acute Lymphoblastic Leukemia. Indian J Hematol Blood Transfus . 2016;32(Suppl 1):32-7. doi: http://dx.doi.org/10.1007/s12288-015-0574-6
  86. Role of Stroke Nurse in Hospital, Rural Settings and Telestroke. International Journal of Stroke . 2016;11(Supp 3):12
  87. Randomized controlled trial of magnesium sulphate in severe closed traumatic brain injury. The Indian Journal of Neurotrauma . 2008;5(1):27-33. doi: http://dx.doi.org/http://dx.doi.org/10.1016/S0973-0508(08)80025-1
  88. Clinical malnutrition in severe traumatic brain injury: Factors associated and outcome at 6 months. The Indian Journal of Neurotrauma . 2007;4(1):35-9. doi: http://dx.doi.org/http://dx.doi.org/10.1016/S0973-0508(07)80009-8
  89. Prospective longitudinal study of biochemical changes in critically ill patients with severe traumatic brain injury: Factors associated and outcome at 6 months. The Indian Journal of Neurotrauma . 2010;7(1):23-7. doi: http://dx.doi.org/http://dx.doi.org/10.1016/S0973-0508(10)80007-3
  90. Single photon emission computed tomography evaluation in patients with mild to moderate head injury. The Indian Journal of Neurotrauma . 2010;7(2):107-11. doi: http://dx.doi.org/http://dx.doi.org/10.1016/S0973-0508(10)80024-3
  91. Serum ionic magnesium in traumatic brain injury. The Indian Journal of Neurotrauma . 2005;2(2):103-6. doi: http://dx.doi.org/10.1016/S0973-0508(05)80023-1
  92. Mid arm muscle circumference monitoring in severe head injury. The Indian Journal of Neurotrauma . 2006;3(2):107-11.
  93. A Randomized Controlled Trial to Assess the Efficacy of Auditory Stimulation on Selected Parameters of Comatose Patients with Traumatic Brain Injury. The Indian Journal of Neurotrauma . 2015;12(02):128-34. doi: http://dx.doi.org/10.1055/s-0035-1569470
  94. Delayed lower motor neuron facial palsy contralateral to surgical decompression in patients with head injury: Report of two cases. The Indian Journal of Neurotrauma . 2009;6(1):67-8. doi: http://dx.doi.org/10.1016/S0973-0508(09)80030-0
  95. Post operative pituitary apoplexy in a case of giant pituitary adenoma. The Internet Journal of Neurosurgery . 2009;6(2).
  96. Einfluss des elektiven temporären Clippings auf intraoperative Aneurysmarupturen. Neurochirurgie Scan . 2013;1(03):193-4. doi: http://dx.doi.org/10.1055/s-0033-1345015
  97. Knowledge and Attitude About Seizures Among Caregivers of Patients With Supratentorial Craniotomy. Research & Reviews: Journal of Medicine . 2015;18(40):41-60.
  98. Conservative management in recurrent glioblastoma multiforme. Progress in Clinical Neurosciences . 2012;27:215-9. doi: http://dx.doi.org/DOI:10.13140/2.1.1304.4005
  99. Management of Seizures. Clinical Neurosciences and Critical Care Nursing : Jaypee; 2014. p. 222-30.
  100. Neurological Assessment. Clinical Neurosciences and Critical Care Nursing : Jaypee; 2014. p. 142-61.
  101. Quality of life of adult patients with ventriculo-peritoneal shunt. Nursing & Midwifery Research Journal . 2018;14(2):87-99.

Scientific Paper Presentations

  1. Efficacy of Endoscopy for Intradural spinal lesions: WFNS 2017, Istanbul; NSICON 2016, Chennai; Neuroendos 2016, Delhi; WESS 2016, Bubaneswar
  2. Keyhole vs Pterional approach for clipping ruptured aneurysms: WFNS 2017, Istanbul; ICCVS & AASNS 16, Mumbai; NSSICON 2016, Srinagar
  3. Recurrent craniophar.: Endonasal endosc. Sx Vs Radiation: ESBS 2016, Berlin
  4. Visual outcome in 2000 eyes after pituitary adenoma surgery: ESBS 2016, Berlin
  5. BMD & Osteoporosis in Acromegaly: Pituitary Congress 2017, Orlando, USA
  6. Sino-Nasal QOL in Micro. & Endo. TSS: Pituitary Congress 2017, Orlando,USA
  7. CSI in pituitary tumors-Metaanalysis: ACNS 2018, Dubai; NSICON 17, Nagpur
  8. Endoscopic GTR of colloid cysts: ACNS 2018, Dubai; NSSICON 18, Lucknow
  9. 3 rd vent. tumors: Endonasal Vs Transvent. Endosc.: IndSPNCON 18, Hyderabad
  10. Cognitive Deficits Following Aneurysm Rupture: CNS 2015, New Orleans, USA
  11. Impact of Anthropometric & Adiposity in SAH: CNS 2015, New Orleans, USA
  12. tHcy & hs-CRP in SAH: CNS 2014, Boston & Neurovascon 2013, Hyderabad
  13. TC in aneurysm surgery: CNS 2013, San Francisco; JINC 2012, Osaka
  14. Role of MRI on op. findings of Mening.: CNS 2014, Boston; ESBS 2016, Berlin
  15. Role of surgery in compound head injury: CNS 2013, San Francisco, USA
  16. Neuroendoscopy in children: SANC 2012, Kathmandu; 6 th IFNE 2013 , Mumbai
  17. CVJ traumatic injuries: SANC 2012, Kathmandu; Neurotrauma 2013, Guwahati
  18. Percutaneous pedicle screw fixation: Neurotrauma 17, Ooty; ISSFN 17, Chd
  19. Endoscopy for intracranial cystic lesions: NSICON 2014, Coimbatore
  20. Results of odontoid screw fixation: Spine 2014, Ahmedabad
  21. SAH management-Trends in Spine surgery: SINN/NSICON 2014, Coimbatore
  22. Stabilization of C2 fracture: Skullbase 2013, Chandigarh & Spine 2011, Bengaluru
  23. Neuronavigation- Routine surgical tool: ISSFN 2011, Chennai
  24. En-bloc excision of large meningiomas: Skullbase Conference 2011, Vellore
  25. MRS Vs SPECT in patients with TBI: NSICON 2011, Bengaluru
  26. SPECT in patients with Head Injury: Neurotrauma-con 2010, Chennai
  27. RCT of Magnesium sulphate in severe TBI: SANC 2007, New Delhi
  28. Biochemical changes following TBI: SANC 2007, New Delhi
  29. Nutritional monitoring in severe TBI: Neurotrauma-con 2006, New Delhi
  30. Spinal arteriovenous lesions-AIIMS experience: Spine 2006, Jaipur
  31. Prognostic value of serum albumin in TBI: NSICON 2006, Madurai
  32. The economic divide in outcome after TBI: NSICON 2006, Madurai

Other Conferences & Workshops Attended

  • CNS Course in Endoscopic and Keyhole Skull Base Surgery, 2014, Boston, USA
  • Asia Pacific Trauma QI Seminar 2010, Melbourne, Australia
  • Trauma Conference, 2010, Melbourne, Australia
  • SEARAME 2014, Colombo
  • SIGNET Workshop on Evidence-based Decision-making, 2013, Chandigarh
  • AO Spine Principles Course 2011, Chennai
  • AO Spine Advances Course 2012, Bengaluru
  • WESS-IFNE Endospine workshop 2013, Mumbai
  • IITTSS-ACMISST Min. Inv. Spine Surgery (MISS) workshop 2013, Pune-Goa
  • Advanced Trauma Life Support Course 2010, New Delhi
  • Cadaveric Endosc. Workshops 2010, Chennai; 2013, Chandigarh; 2015, Mumbai
  • Endoneurocon Skull Base Workshop 2013, Madurai
  • 3D Microneurosurgery Workshop 2011, Jaipur
  • AIIMS Annual Microneurosurgery Workshops 2001-2006, 2010, New Delhi
  • AIIMS Spinal Surgery Workshop 2010, New Delhi
  • Brachial Plexus Cadaveric Workshop 2010, AIIMS, New Delhi


Efficacy and Safety of AP 12009 in Patients with Recurrent or Refractory Anaplastic Astrocytoma or Secondary Glioblastoma (SAPPHIRE) (International Project Completed)

Genetic, molecular and clinico-pathological characterization of Craniopharyngioma (International with QMH, London)

Cognitive Impairments Following Treatment of Ruptured Aneurysms (Intramural)

Clinico-radiological factors determining outcome after spine injury (Intramural)

Biochemical factors determining outcome following SAH (Intramural)

Factors influencing outcome of neuro-endoscopic interventions (Intra-mural)

Rats as animal models in sub-millimetric microvascular anastomosis (Intra-mural)


The Spine Journal, Neurology, Plos One, Neurocritical Care, World Neurosurgery, Neurology India, The Journal of Spinal Cord Medicine, Disability & Rehabilitation, BMJ Open, BMC Research Notes, Journal of Spine surgery

Part of Committees of Indo-US collaboration on Low Cost Medical Devices & Vitamin D interventions (DBT)

Part of Committee for PMSSY under Min. of H&FW

Examiner for PhD exams in AIIMS, New Delhi