Dr Alok Ranjan is one of the most experienced and senior neurosurgeon in Hyderabad. His vision and efforts are responsible for genesis of the subspecialized Neurosurgical services at Apollo Hospital, Jubilee Hills. After running a busy neurosurgical department at Christian Medical College, Vellore he went on to United Kingdom to hone his skills as well performed a many complex procedures there. Hand selected by Apollo chairman Dr. Prathap C. Reddy he agreed to set up advanced neurosurgical procedures at Apollo Hyderabad. Over the last two decades Dr Ranjan has carved a multi speciality neurosurgery team which caters to all aspects of Neurosurgery. Within 3 years of joining he founded DNB Neurosurgical training institute at Apollo to train young neurosurgeons with his extraordinary skill sets.

Dr Ranjan has been the chief of Neurosurgical services at Apollo since 2003. He has interests in Neuro-oncology, Skull Base and Vascular Neurosurgery. His vast experienced in dealing with the complex brain anatomy and his guidance to his co- team members is the foundation of the Neurosurgery department at Apollo, Hyderabad. Under his vision the department has flourished to have a Brain Surgery and Spine Surgery Suites with O-Arm, Spine Robot, Intra Operative MRI and many more high end neurosurgical equipment.

Educational Qualification

• MBBS, 1993, University Of Madras, India
• M.Ch (Neurosurgery). in Mar 1992 at Christian Medical College & Hospital, Vellore

Professional Experience

• H.O. Medicine/Surgery at Christian Medical College & Hospital, Vellore, India, Apr 85-Apr 86
• Non PG Registrar in Neurosurgery at Christian Medical College & Hospital Vellore, India, Jul 86-Jan 87
• Registrar in General surgery at CMC Hospital, Vellore, Feb 87 -Oct 87
• Registrar in Anesthesia at CMC Hospital, Vellore, Nov 87-Dec 87
• Registrar in Orthopedics at CMC Hospital, Vellore, Jan 88-Mar 88
• Registrar in Neurosurgery at CMC Hospital, Vellore, Apr 88-Jan 90
• Senior Reg in Neurosurgery at CMC Hospital, Vellore, Feb 90-Mar 92
• Consultant in Neurosurgery at CMC Hospital, Vellore, Apr 92-May 94
• Consultant in Neurosurgery at CMC Hospital, Vellore, Aug 98-May 99
• Senior Consultant Neurosurgery at Apollo Hospitals, Hyderabad Sep 99 - present

Publications

• Post laminectomy discitis and other infections. Alok Ranjan, Thomas Joseph,Mathew J Chandy. Neurology India 40:205-210; 1992.
• Non-diagnostic CT-guided Stereotactic biopsies in a series of 407 cases: Influence of CT morphology and operator experience. Alok Ranjan, V Rajshekhar, T. Joseph, M. J. Chandy, S. M. Chandi. Journal of Neurosurgery 79: 839-844; 1993.
• CT-guided Stereotactic surgery: An overview of 600 procedures. Alok Ranjan,V. Rajshekhar, S. Prakash, et al. Neurology India 41: 193-197; 1993.
• Ascorbic acid and focal cerebral ischaemia in a Primate model. Alok Ranjan, D Theodore, R. P. Haran, M. J. Chandy. Acta Neurochirurgica 123/1-2:87-91; 1993.
• Intrasellar Tuberculoma. Alok Ranjan, M. J. Chandy. British Journal of Neurosurgery 8:179-185; 1994.
• Stereotactic Craniotomy for lesions in eloquent areas. Alok Ranjan, V. Rajshekhar, Mathew J. Chandy. Journal of Clinical Neurosciences 2(4):303-306; 1995.
• Outcome in patients with supratentorial malignant gliomas. Result of stereotactic biopsy and radiation therapy. Alok Ranjan, V. Rajshekhar, Mathew J. Chandy. Neurology India 42:191-195, 1994.
• Present concepts in the management of Neurological patients with hyponatremia and natriuresis. Alok Ranjan, V. Rajshekhar. Neurosciences Today Vol II: 173-176, 1998.
• Ranjan A, Lath R. Microendoscopic Discectomy for Prolapsed Lumbar Intervertebral disc. Neurology India 2006; 54:190-194.
• Lath R, Kumar S, Reddy R, Boola GR, Ray A, Prabhakar S, Ranjan A. Decompressive surgery for severe Cerebral Venous Thrombosis Neurol India. 2010 May-Jun; 58(3):392-7.
• Intraspinal Mesenchymal Chondrosarcoma. Alok Ranjan, Geeta Chacko, Thomas Joseph, Sushil M Chandi. Journal of Neurosurgery 80: 928-930; 1994.
• Giant Aneurysm of Anterior Ethmoidal Artery presenting with intracranial haemorrhage. Alok Ranjan, Thomas Joseph. Journal of Neurosurgery 81:934-936; 1994.
• Intracerebellar melanotic schwannoma. Alok Ranjan, Geeta Chacko,Sushil M. Chandi. British Joumal of Neurosurgery 9:687-689; 1995.
• Symptomatic subdural hygroma as a complication of foramen magnum decompression for hindbrain hemiation. Alok Ranjan, I.P. Cast. British Jomal of Neurosurgery 10:241-243; 1996.
• Postmenopausal osteoporosis: Our experience. Mehrotra RN, Ranjan A, Lath R, Ratnam R. Indian J Endocrinol Metab. 2012 Dec; 16(Suppl 2):S421-2.
• The significance of redundant nerve roots of cauda equina. Reddy SR, Ratnam BG, Lath R, Ranjan A. Neurol India. 2013 Sep-Oct;61(5):562.
• Arteriovenous fistula of the filum terminale misdiagnosed and previously operated as lower lumbar degenerative disease Sharma P, Ranjan A, Lath R. Asian Spine J. 2014 Jun;8(3):365-70
• Multifocal CNS vasculopathy due to reactivation of latent varicella – a potentially reversible complication following radiofrequency ablation for trigeminal neuralgia. Reddy SR, Ranjan A, Lath R. Neurol India. 2014 May-Jun; 62(3):327-9
• Chronic Lymphocytic Inflammation with Pontine Perivascular Enhancement Responsive to Steroids (CLIPPERS) - a case report. Reddy SM, Lath R, Swain M, Ranjan A. (Accepted for publication in The Annals of the Indian Academy of Neurology)
• Antero-lateral approach for thoraco-lumbar decompression and instrumentation. Lath R, Ranjan A. (Abstract) Neurology India 2004.
• Solitary fibrous tumour of the meninges. Letter to Editor Lath R, Ranjan A, Swarnalata G.Neurology India 53:248-249, 2005.
• Desmoplastic Fibroma of the Frontal Bone. Lath R, Ranjan A Ratnam BG, Swarnalata G. Neurology India 2006; 54:314-315.
• Diagnosis and treatment of multiple Hydatid cysts at the Craniovertebral junction. Lath R, Ratnam BG, Ranjan A. Journal of Neurosurgery Spine Feb. 2007; 6:174-177.
• Olfactory Ensheathing Cell Tumor : Case Report. Ippili K, Ratnam BG, Gowrishankar S,Ranjan A, Lath R. Neurology India 2009; 57:76-78.
• Rosette-Forming Glioneuronal Tumors: A Report of 2 Cases Sharma P, Swain M, De Padua M, Ranjan A , Lath R. Neurology India (In Press)
• Lumbar nerve root hernia: An unusual complication of micro-endoscopic Discectomy Sharma P, Ranjan A, Lath R. Neurol India 2011;59:313-314
• Disseminated cranio-spinal intradural mesenchymal chondrosarcoma. Sharma P, Ranjan A, Gowrishankar S, Lath R. Neurol India 2012;60:252-254.
• Endoscopic management of CSF rhinorrhoea. SR Reddy, BG Ratnam, Rambabu, RanjanA Neurol India (inprint)
• Clinical and radiological outcome following surgery in patients with degenerative spondyliolisthesis. Ippili Kaushal, Ranjan Alok (desertation submitted to National Board 2012)
• Role of F18 bone scan in evaluation of backache, particularly in subclinical facet arthritis. Sharma P, Ranjan A. (desertation submitted to National Board 2014)

Advanced Training Courses

• Advanced trauma life support (ATLS) - Nov 1995, Jersy, UK.
• Advanced pneumatic instrumentation for surgical procedures (Midas Rex) - Jan 1995, London.
• SWAP course in cervical spine surgery - Jan 1995, London.
• Neuro endoscopy workshop, SWAP course.-Mar 1997, London.
• Microsurgery hands on course (micro vascular and nerve anastomosis)- Oct 97, Northwick park, London.
• Advanced course in spinal instrumentation
• Skull base course- Mumbai 2004.
• Hands on Skull base course- St Louis, 2005.
• Hands on course in disc replacement and minimally invasive surgery- Memphis, USA 2006.

Dr A F DESMOND, Prize in ENT.

PAUL W. BRAND Medal in Orthopedics.

SOMERVELL Medal in General Surgery.

Areas of Expertise

• Vascular Surgery(Arterio Venous Malformations and Aneurysms)
• Skull Base Surgery
• Endonasal Pituitary Surgery
• Brain and Spine Tumours
• Cranio-Vertebral Junction Surgery
• Surgery for Degenerative Spine
• Image Guided Surgery