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DR. CHRISTOPHER JOHN

DR. CHRISTOPHER JOHN

Associate Professor

Experience:
7 Years

Fellowships/Memberships: 

  • Association of Radiation Oncologist of India (AROI)
  • European Society for Radiotherapy and Oncology (ESTRO)

Research focus -

  • Gate project: Estimation of prevalence of urinary morbidity in patients  with non-metastatic cervical cancer and to correlate with various tumor related  and clinico-pathological factors. 
  • Collaborating institutions: 

Project Work for 4th Semester Final Year M.Sc Medical Physics Post Graduate students from ANNA University.

List of Publications: 

Pubmed Indexed             -   6

First author /Corresponding Author -   4

  1. Prognostic significance of metabolic tumour volume and maximum standard uptake value of fluor-18-fluorodeoxyglucose positron emission tomography with computed tomography in nasopharyngeal carcinoma. John C, Venkatasai J, Kondaveeti SS, Murali A, Periakaruppan G, E V, Meenakshisundaram M, Ambalathandi RC, Masilamani H. Contemp Oncol (Pozn). 2021;25(3):153-159. (Pub Med indexed)
  1. Concurrent Taxol-Based Doublet Chemotherapy as an Alternative for Intracavitary Brachytherapy Boost in Locally Advanced Carcinoma Cervix- Retrospective Analysis From a Tertiary Care Center. John C, Venkitaraman B, Masilamani H, Kondaveeti SS. Cureus. 2021 Jul 11;13(7).  (PubMed Indexed). 
  2. Impact of COVID-19 Pandemic on Patterns of Care and Outcome of Head and Neck Cancer: Real-World Experience From a Tertiary Care Cancer Center in India

Jeyaanth Venkatasai, Christopher John, Satish Srinivas Kondavetti, Mallika Appasamy, Lakshminarasimhan Parasuraman, Ravichandran Ambalathandi, and Hemavathi Masilamani DOI: 10.1200/GO.21.00339 JCO Global Oncology no. 8 (2022) e2100339. Published online February 25, 2022. (PubMed Indexed).

  1. The Prognostic Role of Maximum Standardized Uptake Value of 18 F-FlouroDeoxy Glucose Positron Emission Tomography-Computed Tomography in Head and Neck Cancer Patients Undergoing Chemoradiotherapy. Srinivas KS, Arunan M, Venkatachalapathy E, John C, Manickavasagam M, Divyambika CV. J Int Soc Prev Community Dent. 2019 Mar-Apr;9(2):159-165. (Pub Med indexed)
  2. Therapeutic Benefit of Placentrex in the Management of Acute Chemo Radiation Induced Mucositis in Oral Cancer Patients. Asian Pac J Cancer Prev. 2018;19(11):3099–3103. Published 2018 Nov 29. doi:10.31557/APJCP.2018.19.11.3099 Kondaveeti SS, C V D, John Christopher, M M, S R. (Pub Med indexed)
  3. Selvaraj, J.L., Venkatesh, L., Varadharajan, V., Chandrasekar K, Kondaveeti SS, John C . Development and Evaluation of the Psychometric Properties of the Tamil Version of Eating Assessment Tool − 10 (EAT-10): Preliminary Findings from Persons with Head and Neck Cancer. Indian J Otolaryngol Head Neck Surg (2022). https://doi.org/10.1007/s12070-022-03376-8 (Pub Med indexed)
  4. Hypofractionated Intensity Modulated Radiotherapy with Concurrent Chemotherapy for locally advanced squamous cell carcinoma of Head and Neck – Pilot Study - EJPMR 2018 VOLUME 5, MAY ISSUE 5 Bhaskar Vishwanathan*, Christopher, Swathi Reddy
  5. Carcinosarcoma (Spindle cell variant) of larynx – Role of Radiotherapy International Journal of Scientific Study May 2016 Volume 4 Issue 2
  6. Sonalika C, Sneha LM, Jayaraman D, Backiavathy V, Subramanian K, Gayathri SS, John C. Isolated unilateral orbital myeloid sarcoma: a case report. Int J Contemp Pediatr 2022;9:845-8

Invited Lectures and Conference Faculty:

  • Invited Speaker in CME on Testicular Tumors organised by Department of Surgical Oncology at SRIHER October 2019
  • Panellist at The National Conference organised by Department of Pathology SRIHER on Recent updates and multi-disciplinary approach in Respiratory Onco-pathology August 2019
  • Invited speaker at ROME 2023 on radiotherapy in oral cancer organised by department of OMFS at SRIHER in April 2023.
  • Invited speaker at the pediatric oncology Rapid review (R-HOPE 2022) on radiation principles in pediatric oncology organised by department of pediatric hemato-oncology at SRIHER in may 2022. 

Conferences Presented: Apollo Cancer Conclave 2015: Comparison of Altered Fractionation Schedule versus Conventional Radiotherapy in patients with locally advanced Head & Neck Cancers in whom concurrent chemo-radiotherapy is not feasible.

DR. LAKSHMI JS

Degree: MD (Radiation Oncology), DNB, MNAMS 

Designation: Assistant Professor
Experience: 2.5 Years 

Fellowships/Memberships: 

  • Association of Radiation Oncologist of India (AROI)
  • Certificate course in Essentials of Palliative Care: Indian Association of Palliative Care (IAPC), New Delhi (September 2020)

Observership

Clinical observership at Regional Cancer Center, Trivandrum (2020)

Publications: 

List of publications: 6

  1. Kunheri B, Lakshmi JS, Ravindran GC, Marwaha V. Helical tomotherapy for prostate cancer radiation therapy: An audit of early toxicity and quality of life. Journal of Cancer Research and Therapeutics. 2021 Apr 1;17(2):366-71. 
  1. Kunheri B, Lakshmi JS, Pushpaja KU, George NA, Pavithran K. Postmastectomy chest wall irradiation with electron beam technique–10-year single-center retrospective analysis. Annals of Oncology Research and Therapy. 2021 Jan 1;1(1):16.
  1. Kunheri B, Lakshmi JS, Rajan R, Krishnan A, Sidhique SK, Rose B. A prospective observational study on Hypo-fractionated Radical Radiotherapy for non-metastatic prostate cancer using Image Guided Radiotherapy: Assessing the toxicity and Quality of life. Annals of Oncology Research and Therapy. 2022 Jan 1;2(1):17.
  1. Ullattil PK, Remesan Nair A, Susheela LJ, Mazhoor SN, PS S, Thankappan K, Ravindran GC, Dutta D. Hypofractionated radiotherapy for stage I squamous cell carcinoma glottis: An experience with 60Gy in 20 fractions. Iranian Journal of Medical Physics. 2022 Aug 14.
  1. Thomas BT. Case report on adenoid cystic carcinoma of palate with review of literature. Indian Journal of Case Reports. 2022 Jul 13:182-4.
  1. Srinivas S, Sneha LM, Barathi G, Lakshmi JS, Srinivas S, Mukherjee B, Koka K. Adenoid cystic carcinoma of the lacrimal gland in a child. Pediatric Hematology Oncology Journal. 2023 Sep 1;8(3):188-90.

Authorship in Book

Principles and Practice of Oncology, published in November 2021.

ISBN No: 978-93-91986-00-1. Chapter 10: Recent Advances in Radiation Oncology

Conferences Presented:

  • 6th National Conference of Young Radiation Oncologists (YROF) in India 2018, New Delhi: Case series on re-radiation with robotic radiosurgery in liver metastasis (oral).
  • 6th National Conference of Young Radiation Oncologists (YROF) in India 2018, New Delhi: Case series in re-radiation in head and neck cancers with high precision techniques (poster)
  • AROICON 2018, kovalam, Trivandrum: Role of dose escalated radiation treatment for definitive concurrent chemo-radiation for stage I-III SCC of Oesophagus: A prospective Observational study (poster)
  • 7th National Conference of Young Radiation Oncologists (YROF) in India 2019, siliguri, Darjelling: Contouring and sparing of cardia and coronaries in left sided breast cancer patients: A dosimetric comparative study with or without the use of active breathing coordinator (ABC) (poster)
  • AROICON 2019, Gujarat: Postmastectomy chestwall irradiation with electron beam technique – Analysis of outcome. (Poster- First prize)
  • 8th National Conference of Young Radiation Oncologists (YROF) in India 2020, coimbatore, Tamilnadu: Prospective Cohort Study on Toxicities and Quality of life of patients undergoing post-operative Radiotherapy or Radical Radiotherapy for non-metastatic Prostate cancer. (poster)

RADONC CONCAVE National meet – Prostate Cancer in 2021: Helical Tomotherapy for Prostate cancer radiation therapy: Early toxicity and Quality of Life. (Oral – Second prize)