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अखिल भारतीय आयुर्विज्ञान संस्थान, नई दिल्ली
All India Institute Of Medical Sciences, New Delhi




  1. Patnaik U, Panda S, Thakar A ( corresponding author), Audit of Complications in an Otolaryngology led Skull Base Surgical practice, Journal of Neurological Surgery- B ( Skull Base) 2019; 80 (06), 586-592
  2. A Thakar, P Sakthivel, A  Prashanth,R Kumar, SC Sharma. Clinical Utility of 68Ga-Prostate-Specific Membrane Antigen PET/CT Scan on Postoperative Assessment of Juvenile Nasal Angiofibroma Clinical nuclear medicine  2020; 45(2):e83-e84. doi: 10.1097/RLU.0000000000002745.PMID: 31348086
  3. Panda Smriti, Thakar Alok (corresponding Author), Sikka Kapil, Sharma Suresh C, Role of Sternomastoid Muscle Interposition In Concomitant Transoral Oncologic Resection and Neck Dissection, Head & Neck  2019; 41 (8), 2724-2731
  4. Thakar Alok, Aggarwal Karan, Nasal Endoscopic Trans Sphenoidal Optic Nerve Sheath Fenestration for Intractable Intracranial Hypertension with Papilloedema–Optimism with Caution, Neurology India 2020: 68:1:61.
  5. S Panda, K Sikka, V Singh, S Agarwal, R Kumar, A Thakar, SC Sharma, Comprehensive Analysis of Factors Leading to Poor Performance in Prelingual Cochlear Implant Recipients
    Otology &Neurotology 2019; 40 (6), 754-760.
  6. Shubhi Saini, Charanjeet Kaur, Indra Pal, Punit Kumar, Tony George Jacob, Alok Thakar, KK Roy. TS Roy, Morphological development of human cochlear nucleus. Hearing Research 2019; 382, 107784. doi: 10.1016/j.heares.2019.107784. Epub 2019 Aug 20 , PMID: 31522073
  7. A Singh, DVK Irugu, K Sikka, H Verma, A Thakar, Study of Sigmoid Sinus Variations in the Temporal Bone by Micro Dissection and its Classification–A Cadaveric Study, International Archives of Otorhinolaryngology. 2019; 23 (03), e311-e316
  8. S Singh, L Singh, R Ranjan, MK Singh, A Thakar, SC Sharma Correlating the treatment outcome with tumor staging, grading, and various treatment modalities in patients with esthesioneuroblastoma, South Asian journal of cancer 2019;  8 (2), 124
  9. S Singh, R Madan, MK Singh, A Thakar, SC Sharma, Head-and-neck paragangliomas: An overview of 54 cases operated at a tertiary care center, South Asian Journal of Cancer 2019; 8 (4), 237
  10. Mittal P, Verma H, Monga R, Garg A, Thakar A, Anterior clinoid mucocele and mono-ocular vision loss – Rare case with diagnostic dilemma Interdisciplinary Neurosurgery: 2019; 19: 1000568;    DOI:
  11. Sakthivel, P., Singh, C.A., Thakar A, G Thirumeni, S Raveendran, Sharma SC, Masseteric-Facial Nerve Anastomosis: Surgical Techniques and Outcomes—A Pilot Indian studyIndian J Otolaryngol Head Neck Surg (2020).72:1:92-97
  12. Sharma SC,  Panda S,  Thakar A,  Devaraja K, Petrous Bone Cholesteatoma: Radical Excision With An Endeavour For Hearing Preservation, Indian Journal of Otolaryngology and Head & Neck Surgery 2019; 71 (2), 1572-1579
  13. H Verma, S Panda, K Sikka, DVK Irugu, A Thakar  ( corresponding author), Primary spheno-petro-clival tuberculosis, Indian Journal of Otolaryngology and Head & Neck Surgery 71 (3), 1796-1799
  14.  N Mehmi, R Kumar, P Sagar, CA Singh, R Kumar, A Thakar, SC Sharma, Importance and Impact of Appropriate Radiology in the Management of Branchial Cleft Anomalies, Indian Journal of Otolaryngology and Head & Neck Surgery 71 (1), 953-959
  15.  K Sikka, CA Singh, R Agrawal, R Kumar, A Thakar, SC Sharma, Acquired non-malignant cervical trachea-esophageal fistula: a case series,Indian Journal of Otolaryngology and Head & Neck Surgery 71 (1), 286-290
  16. A Kakkar, P Sakthivel, S Mahajan, A Thakar, Nasopharyngeal Papillary Adenocarcinoma as a Second Head and Neck Malignancy, Head and neck pathology 2019; 13 (4), 699-704
  17. K Kumari, R Thota, HL Chaudhary, MC Sharma, A Thakar, G Singh, Low-Grade Fibromyxoid Sarcoma of the External Auditory Canal: A Rare Pathology and Unusual Location, Head and Neck Pathology. 2020; 14: 276-282    doi: 10.1007/s12105-019-01030-4. PMID: 30949896
  18. C. Schafer (eds), Agarwal S, A. Thakar  ( corr. Author), Book Review “ Paediatric Audiology: Jane R. Madell, Carol Flexer, Jace Wolfe, Erin Indian Journal of Paediatrics, (2019) DOI: 10.1007/s12098-019-02973-w.
  19. Thota R, Kumar R, Kumar R, et al. Navigation-assisted endonasal endoscopic optic nerve decompression in fibrous dysplasia. BMJ CaseRep 2019;12:e230621.doi:10.1136/bcr-2019. 2)
  20. A Kairo, A Quadri, A Singh, S Sarwar, R Kumar, A Thakar, A Shariff, SC Sharma.Over expression of Psoriasin in middle ear cholesteatoma increases inflammation, bone destruction and severity of disease: Ultrastructural and molecular findings. Abstract of 27th Annual national conference of the Indian Society of Otology
  21. A Gupta, K Sikka, DVK Irugu, H Verma, AS Bhalla, A Thakar. Temporal bone meningoencephalocele and CAS leaks: experience in a tertiary care hospital. The journal of laryngology &otology 2019 Mar;133(3):192-200.
  22. Thakur R, Irugu DVK, Verma H. Osteoplastic flap approach for posterior table leak: a case report. JCDR 2019; DOI: 10.7860/JCDR/2019/41648.0000
  23. RohitVerma, Amit Jha, Shuchita Singh: Functional Near-Infrared Spectroscopy to Probe t DCS-Induced Cortical Functioning Changes in Tinnitus : J IntAdvOtol 2019, DOI: 10.5152/iao.2019.6022.
  24. Suresh Chandra Sharma, PirabuSakthivel, Shuchita Singh, Dhananjay Kumar: Boyce’s sign in a large Zenker’sdiverticulum : The Lancet : Gastroenterology and Hepatology : Vol 4, Issue 9, P742, September 1, 2019.
  25. Singh A, Thakur R, Kumar R, Verma H, Irugu DVK. Grading of the Position of the Mastoid Tegmen in Human Temporal Bones – A Surgeon’s Perspective J IntAdvOtol 2020; 16(1): 63-6 • DOI: 10.5152/iao.2020.7748
  26. Singh A, Kumar R (Corresponding Author), Manchanda S, Bhalla AS, Sagar P, Irugu DVK. Radiographic Measurement of Cochlear Duct Length in an Indian Cadaveric Population - Importance of Custom Fit Cochlear Implant Electrodes. Int Arch Otorhinolaryngol.  DOI 10.1055/s-0040-1701272.
  27. Sakthivel P, Thakar A, Prasanth A, Bhalla AS, Kakkar A, Sikka K, Singh CA, Kumar R, Sharma SC, Kumar R. Prostate-Specific Membrane Antigen Expression in Primary Juvenile Nasal Angiofibroma—A Pilot Study. ClinNucl Med  2020 Mar;45(3):195-199. doi:10.1097/RLU.0000000000002928.
  28. Zubair A, Kumar R (Corresponding Author), Jat B, Sagar P, Kairo A, Kumar R. Unusual Sites for Extracranial Head–Neck Schwannomas.  Indian J Otolaryngol Head Neck Surg.
  29. Singh A, Irugu DVK, Kumar R, Verma H, Gupta A, Kumari A. Study of morphologic variability of incudostapedial angle and its relation with temporal bone pneumatization, Journal of Otology,
  30. Singh CA, Devaraja K, Kumar R. Recurrent Ameloblastoma: Long Term Outcomes with Free Fibular Bone Graft. Indian J Otolaryngol Head Neck Surg
  31. Thota R, Kumar R, Kumar R, Jat B. Navigation-assisted endonasal endoscopic optic nerve decompression in fibrous dysplasia. BMJ Case Rep 2019;12:e230621.doi:10.1136/bcr-2019.
  32. Singh A, Kumar R (Corresponding Author), Sagar P. Herald Cell: The Gateway to Posterior Tympanotomy - A Cadaveric Study. Indian J Otolaryngol Head Neck Surg. 2019 Dec;71(4):517-519. doi: 10.1007/s12070-019-01692-0. Epub 2019 Jun 26
  33. Aggarwal K, Kumar R (Corresponding Author), Bhardwaj N, Jat B, Kumar R. Isolated Laryngeal Leishmaniasis: A Diagnostic Dilemma. Indian J Otolaryngol Head Neck Surg. 2019 Oct;71(Suppl 1):872-875. doi: 10.1007/s12070-019-01639-5. Epub 2019 Jun 1
  34. Irugu DVK, Singh A, Kumar R. Morphometry of the Digastric Ridge and Its Significance for Mastoid Surgeries-A Cadaveric Study. Ear Nose Throat J. 2019 Oct 2:145561319870491. doi: 10.1177/0145561319870491
  35. Budhiraja S, Sagar P, Kumar R, Sharma SC. Mycotic Pseudoaneurysm of Internal Carotid Artery Induced by Skull Base Osteomyelitis. OtolNeurotol. 2019 Sep;40(8):e816-e819. doi: 10.1097/MAO.0000000000002343
  36. Tripathy S, Kumar R, Kakkar A, Kumar R, Sharma P, Shamim SA. Esthesioneuroblastoma on 68Ga DOTANOC PET/CT. ClinNucl Med. 2019 Aug; 44(8):e486-e488. doi: 10.1097/RLU.0000000000002644
  37. Gupta N, Kumar R, Soneja M, Singh G, Khot W, Malla S, Xess I. Mucor menace in an immunocompetent young male after dental manipulation. J Family Med Prim Care. 2019 Feb;8(2):757-759. doi: 10.4103/jfmpc.jfmpc_412_18
  38. Devaraja K, Kumar R (Corresponding Author), Sagar P, Barwad A. Intraductal pseudopodia in pleomorphic adenoma of parotid gland. Indian J PatholMicrobiol 2019;62:117-8
  39. SmitaManchanda, AshuSeithBhalla, Rakesh Kumar, Arvind Kumar Kairo Duplication Anomalies of the Internal Auditory Canal: Varied Spectrum; Indian J Otolaryngol Head Neck Surg, 71 (3), 294-298 Sep 2019
  40. Punj J, Kaler P, Ankalagi B, Prasad A, Sinha R, Sagar P. Successful anaesthesia management of a child with hunter syndrome for adenotonsillectomy. Intractable Rare Dis Res. 2019 Nov; 8(4): 286–288.doi: 10.5582/irdr.2019.01072
  41. Sakthivel P, Thakar A, Prasanth A, Bhalla AS, Kakkar A, Sikka K, Singh CA, Kumar R, Sharma SC, Kumar R. Prostate specific membrane antigen expression in Primary Juveline Nasal Angiofibroma- A Pilot Study. Clinical Nuclear Medicine (Accepted)
  42. Bindra A, Pathak S, Sikka K. Split Larynx. Anesthesiology. 2019 Jun 24. doi: 10.1097/ALN.0000000000002867. [Epub ahead of print]
  43. Thakar A, Sikka K (2019). Transoral Laser Microsurgery. In Bahadur S, Thakar A, Mohanty BK. Carconoma of the Larynx and Hypopharynx (1st ed; 99-110 Singapore, Springer)
  44. Panda S, Sikka K, Thakar A, Sharma SC, Krsihnamurthy P. Transoral robotic surgery for the parapharyngeal space: expanding the transoral corridor. J Robot Surg 2019 (Ahead of print)
  45. Rajeshwari M, Sakthivel P, Sikka K, Jain D. Carcinoma encuirasse in Neck: extremely unusual initial presentation of gastric cancer. BMJ Case Reports CP 2019;12:e228418
  46. Sakthivel P, Sikka K, Kakkar A, Kavutharapu S, Thakar A. Polypoidal Trachea: A Clinican’s Predicament. Am J Med 2019; 132 (3): 523-4
  47. Singh CA, Sakthivel P. Rhinosporidiosis. New England Journal of Medicine. 2019; 380:1359. DOI: 10.1056/NEJMicm1811820
  48. Kaur K, Kakkar A, Bhardwaj N, Sakthivel P, Singh CA, Jain D, Mathur SR, Iyer VK, Sood R. Spectrum of cytomorphological features of extranodal NK/T-cell lymphoma, nasal type. Cytopathology. 2019 Jul;30(4):393-401. doi: 10.1111/cyt.12705.
  49. Panda S, Kumar R, Konkimalla A, Thakar A, Singh CA, Sikka K, Sharma SC, Kakkar A, Bhasker S. Rationale behind thyroidectomy in total laryngectomy: analysis of endocrine insufficiency and oncological outcomes. Indian J SurgOncol. 2019 Dec;10(4):608-613. doi:10.1007/s13193-019-00935-4.
  50. Kanodia A, Sakthivel P, Singh CA, Rajeshwari M. Strawberry nose and rhinosporidiosis. QJM. 2020 Jan 1;113(1):64-65. doi:10.1093/qjmed/hcz132.
  51. Rewari V, Ramachandran R, Singh CA. [Awake nasal fibre optic intubation --- a simple manoeuvre for easy navigation of the fiberscope through the nasopharynx]. Rev Bras Anestesiol. 2019 Nov - Dec;69(6):641. doi: 10.1016/j.bjan.2019.06.011.
  52. Kakkar A, Bhardwaj N, Sakthivel P, Singh CA, Jain D, Mathur SR, Iyer VK. Fine needle aspiration cytology of cribriform adenocarcinoma of minor salivary gland, a recently defined entity. Cytopathology. 2019 Nov;30(6):662-666. doi:10.1111/cyt.12750.
  53. Sarangi J, Kakkar A, Roy D, Thakur R, Singh CA, Sharma MC. Ocular non-teratoidmedulloepithelioma with teratoid metastases in ipsilateral intraparotid lymph nodes. Eur J Ophthalmol. 2019 Aug 14:1120672119870079. doi:10.1177/1120672119870079.
  54. Chandran A, Sakthivel P, Singh CA. A Swollen Nose - Nasal Septal Hematoma.Indian J Pediatr. 2020 Jan;87(1):88. doi: 10.1007/s12098-019-03052-w.
  55. Chandran A, Sakthivel P, Chirom AS. Quincke's disease. BMJ Case Rep. 2019 Sep 11;12(9). pii: e231967. doi: 10.1136/bcr-2019-231967.
  56. Sakthivel P, Thakar A, Prashanth A, Bhalla AS, Kakkar A, Sikka K, Singh CA, Kumar R, Sharma SC, Kumar R. Prostate-Specific Membrane Antigen Expression in Primary Juvenile Nasal Angiofibroma-A Pilot Study. ClinNucl Med. 2020 Mar;45(3):195-199.  doi: 10.1097/RLU.0000000000002928.
  57. Rajeshwari M, Sakthivel P, Yogal R, Panda S, Singh CA, Jain D. Composite tumor of the larynx: A Case Report. JNMA J Nepal Med Assoc. 2020 Jan;58(221):52-55. PubMed PMID: 32335641.




  1. Assessment of depth of invasion in tongue squamous cell carcinoma (T1-T3) by clinical palpation & radiology and their correlation to histopathological depth of invasion. Rajeev Kumar, Mohammad Ponneth, SmitaManchanda, AdarshBarwad,PremSagar, Chirom Amit Singh, AshuBhalla. J Head Neck Physicians Surg 2019 Oct; 7 (Suppl): ABS-087
  2. A Biswas, L Kashyap, S Roy, R Sahoo, R Pramanik, K Sikka, S Bhasker, Sharma, A; Thakar, A; BashiS..Multi-Modality Management of Nasopharyngeal Carcinoma in Paediatric and Adolescenet Patients: Experience from a Regional Cancer Centre in North India. PEDIATRIC BLOOD & CANCER 66, S124-S124
  3. AK Kairo, JA Quadri, A Singh, S Sarwar, R Kumar, A Thakar, A Shariff, Over Expression of Psoriasin in Middle Ear Cholesteatoma Increases Inflammation, Bone Destruction, and Severity of Disease: Ultrastructural and Molecular Findings. Annals of Otology and Neurotology 2 (01), A006



S. No.

Author(s) of chapter

Chapter title

Name of editor

Name of the book


City of publication


Year of publication

First-Last page


Pirabhu S, Mittal P, Thakar A (corresponding author)  ( in press)


Vagal Paraganglioma and Shwannoma,


Eds.Gooi Zhen & Agarwal Nishant,

Difficult Decisions in Head and Neck Oncologic Surgery


New Delhi



Print version awaited)


Sikka K, Thakar A.  

Vascular Compression Syndrome and Vertigo

Santosh K Kacker

Complicated Cases in Vertigo and Dizziness


New Delhi





Pirabhu S, Mittal P, Thakar A

Difficult Decisions in Head and Neck Oncologic Surgery

Gooi Zhen & Agarwal Nishant

Difficult Decisions in Surgery: An Evidence-Based Approach 






Format: Author of chapter. Chapter title. In: Name of editor(s). Name of the book (in italics). Edition. City of Publication: Publisher; Year: first page-last page. 

  1. List of edited books and monographs.


Book Review  – Rhino sinusitis with nasal polyposis (IJMR Book Reviews).

–  Surgical Content Editor ‘Sinonasal Imaging’ (Clinico Radiological Series)

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