Dr. Christopher John

Visiting Consultant

12 Years of Experience

Radiation Oncologist

MBBS, MD

Rela Hospital, Chennai

English, Tamil

Consultation Fee ₹ 800

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About Dr. Christopher John

Dr. Christopher John is a renowned radiation oncologist with 12 years of expertise.
He specializes in radiotherapy procedures, including stereotactic radiosurgery (SRS) and stereotactic radiotherapy (SRT).
He earned his MBBS from Chettinad Hospital and Research Institute, Kelambakkam University, in 2012 and his MD in Radiotherapy from Vydehi Institute of Medical Sciences and Research Centre University in 2016.
Dr. Christopher John is very active in research and has published many research papers in eminent journals, including the JCO Global Oncology, Wspó?czesna Onkologia, Cureus, and many more.
He is actively involved in teaching programs for postgraduate students.
He was invited as a speaker in many CMEs on
- Testicular Tumors, the Department of Surgical Oncology at SRIHER, October 2019
- Radiotherapy in oral cancer, the Department of OMFS at SRIHER, April 2023
- Radiation Principles in Pediatric Oncology, the Department of Pediatric Hemato-oncology at SRIHER, May 2022
He holds membership in associations, including the Association of Radiation Oncologists of India (AROI) and the European Society For Radiotherapy and Oncology (ESTRO).

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Education

MBBS, Chettinad Hospital And Research Institute, Kelambakkam University, 2012
MD in Radiotherapy, Vydehi Institute of Medical Sciences And Research Centre University, 2016

Training & Certificates

Cyberknife Workshop, Apollo Proton Cancer Conference, 2019
Prodvance Cyberknife Masterclass, 2020

Past Experience

Senior Resident, Radiation Oncology, Sri Ramachandra Institute of Higher Education and Research, 2016

Associations/Membership

Association of Radiation Oncologists of India (AROI)
European Society For Radiotherapy and Oncology (ESTRO)

Paper Published

John, C., Venkatasai, J., Kondaveeti, S. S., Murali, A., Periakaruppan, G., E, V., Meenakshisundaram, M., Ambalathandi, R. C., & Masilamani, H. (2021b). Prognostic significance of metabolic tumor volume and maximum standard uptake value of fluor-18-fluorodeoxyglucose positron emission tomography with computed tomography in nasopharyngeal carcinoma. Wspó?czesna Onkologia, 25(3), 153–159. https://doi.org/10.5114/wo.2021.109620
Venkatasai, J., John, C., Kondavetti, S. S., Appasamy, M., Parasuraman, L., Ambalathandi, R., & Masilamani, H. (2022). 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. JCO Global Oncology, 8. https://doi.org/10.1200/go.21.00339
John, C., Venkitaraman, B., Masilamani, H., & Kondaveeti, S. S. (2021). Concurrent TaxOL-Based doublet chemotherapy as an alternative for intracavitary brachytherapy boost in locally advanced carcinoma cervix- retrospective analysis from a tertiary care center. Cur?us. https://doi.org/10.7759/cureus.16313
Srinivas, K. S., Arunan, M., Venkatachalapathy, E., John, C., Manickavasagam, M., & Divyambika, C. V. (2019). 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. Journal of International Society of Preventive and Community Dentistry, 9(2), 159. https://doi.org/10.4103/jispcd.jispcd_409_18
Kondaveeti, S. S., C, D., V., John, C., M, M., & S, R. (2018). The therapeutic benefit of Placentrex in the management of acute chemo radiation-induced mucositis in oral cancer patients. Asian Pacific Journal of Cancer Prevention, 19(11), 3099–3103. https://doi.org/10.31557/apjcp.2018.19.11.3099
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
Selvaraj, J.L., Venkatesh, L., Varadharajan, V. et al. 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 75, 632–640 (2023). https://doi.org/10.1007/s12070-022-03376-8

Field of Expertise

Adrenal Cancer Treatment
Bacillus Calmette Guerin (BCG) Therapy
Benign and Cancerous Tumor Excision
Bile Duct Cancer Treatment
Bone Marrow Transplant
Brain Tumor Surgery
Breast Biopsy
Breast Cancer Treatment
Cancer Treatment
CAR T-Cell Therapy
Carcinoid Tumor Treatment
Castleman Disease Treatment
Chemotherapy
Colon Cancer Surgery
Completion Thyroidectomy
Endometrial Cancer Treatment
Endoscopic Tumor Removal
Ewing Family of Tumors Treatment
Fine Needle Aspiration
Genitourinary Cancer Treatment
Gestational Trophoblastic Disease (GTD) Treatment
High-Intensity Focused Ultrasound (HIFU) for Prostate Cancer
Hormone Therapy
Hyperthermic Intraperitoneal Chemotherapy (HIPEC)
Image-Guided Radiation Therapy (IGRT)
Immunotherapy
Intensity-Modulated Radiation Therapy (IMRT)
Kaposi Sarcoma Treatment
Lumpectomy
Malignant Mesothelioma Treatment
Metastatic Tumor Treatment
Minimally Invasive Cancer Surgery
Nasal Cavity and Paranasal Sinus Cancer Treatment
Nasopharyngeal Cancer Treatment
Non-Small Cell Lung Cancer (NSCLC) Treatment
Oncological Surgery
Papillary Thyroid Cancer Treatment
Penile Cancer Treatment
PET CT Scan
Proton Therapy
Radiation Therapy
Radioisotope Therapy
Rhabdomyosarcoma (RMS) Treatment
Robotic Cancer Surgery
Skin Lymphoma Treatment
Small Intestine Cancer Treatment
Stomach Cancer Treatment
Targeted Therapy
Thymectomy
Thymoma and Thymic Carcinoma Treatment
Transarterial Chemoembolization (TACE)
Vaginal Cancer Treatment
Vulvar Cancer Treatment
Whipple Procedure
Acute Lymphoblastic Leukemia (ALL)
Acute Lymphocytic Leukemia
Acute Myeloid Leukemia (AML)
Acute Promyelocytic Leukemia (APL)
Adenocarcinoma
Adenosquamous Carcinoma
Adrenocortical Carcinoma
Adult Hodgkins Lymphoma
AIDS-Related Cancer
Ameloblastoma
Anal Cancer
Anaplastic Carcinoma
Appendix Cancer
Atypical Hyperplasia
Atypical Spindle Cell Tumor
Atypical Teratoid/Rhabdoid Tumor (ATRT)
Bacillus Calmette Guerin (BCG) Treatment for Non-Muscle Invasive Bladder Cancer
Basal Cell Carcinoma (BCC)
Basal Cell Carcinoma of the Skin
Benign Bone Tumors
Benign Hematology
Benign Lung Tumors
Benign Soft Tissue Tumors
Bile Duct Cancer, Stones, & Strictures
Bladder Cancer
Blood Cancer
Bone Cancer
Bone Marrow Cancer
Breast Cancer
Breast Cancer During Pregnancy
Breast Cancer Recurrence
Bronchial Tumors
Burkitt Lymphoma
Cancer in Children
Carcinoid Syndrome
Carcinoid Tumor (Gastrointestinal)
Carcinoid Tumors of the Lungs
Cervical Cancer
Childhood Acute Lymphoblastic Leukemia
Cholangiocarcinoma
Chronic Lymphocytic Leukemia
Chronic Lymphocytic Leukemia (CLL)
Chronic Myelogenous Leukemia
Chronic Myeloid Leukemia (CML)
Chronic Myeloproliferative Neoplasms
Colorectal Cancer
Cutaneous T-Cell Lymphoma
Cyclic Neutropenia
Desmoid Tumor
Ductal Carcinoma in Situ (DCIS)
Elevated PSA (Prostate-Specific Antigen) Level
Embryonal Tumors
Eosinophilia
Esophageal Cancer
Esophagectomy
Esthesioneuroblastoma
Estrogen Dependent Cancers
Ewing Sarcoma
Extracranial Germ Cell Tumor
Extragonadal Germ Cell Tumor
Extrahepatic Bile Duct Cancer
Fallopian Tube Cancer
Familial Adenomatous Polyposis (FAP)
Familial Adenomatous Polyposis (FAP): Inherited
Follicular Lymphoma
Free Flap Surgery for Treating Osteoradionecrosis
Gallbladder Cancer
Gastric Cancer
Gastrointestinal Stromal Tumor (GIST)
Gestational Trophoblastic Disease
Giant Cell Tumor
Gum Tumor
Hairy Cell Leukemia (HCL)
Head and Neck Cancer
Heart Cancer
Hepatocellular Cancer
Hereditary Non-polyposis Colorectal Cancer (HNPCC)
Hurthle Cell Carcinoma
Hypopharyngeal Cancer
Hypopharyngeal Cancer
Immunotherapy
In-situ Breast Cancer
Incontinence After Prostate Surgery
Inflammatory Breast Cancer
Intensity Modulated Radiation Therapy
Intraocular Melanoma
Invasive Breast Cancer
Invasive Lobular Carcinoma
Islet Cell Tumor
Kaposi Sarcoma
Large Cell Carcinoma
Large Granular Lymphocytic (LGL) leukemia
Leukemia
Lip and Oral Cavity Cancer
Liver Cancer
Liver Cysts & Liver Tumors
Lung Cancer
Lymphatic Cancer
Lymphocytosis
Male Breast Cancer
Malignant Fibrous Histiocytoma (MFH)
Malignant Mesothelioma
Malignant Soft Tissue Tumors
Mediastinal Tumor
Medullary Carcinoma
Melanoma
Merkel Cell Carcinoma
Metastatic Cancer
Metastatic Spinal Tumors
Metastatic Squamous Neck Cancer with Occult Primary
Metastatic Tumors
Mouth Cancer
Multiple Endocrine Neoplasia (MEN) Syndromes
Multiple Myeloma
Myelodysplastic Syndromes
Nasal Cavity and Paranasal Sinus Cancer
Nasopharyngeal Cancer
Neuroendocrine Tumor
Non-Small Cell Lung Cancer
NUT Midline Carcinoma
Oncogenic Osteomalacia
Ophthalmic Cancer
Oral Cancer
Oropharyngeal Cancer
Osteosarcoma
Ovarian Cancer
Ovarian Germ Cell Tumors
Ovarian Primary Peritoneal Cancer
Ovarian Sex Cord Stromal Tumor
Pancreatic Cancer
Pancreatic Neuroendocrine Tumor
Paraganglioma
Paraneoplastic Syndromes
Parathyroid Cancer
Parotid Gland Tumor
Pediatric Chordomas
Pediatric Ependymoma
Pediatric Germ Cell Tumor
Pediatric Rhabdomyosarcoma
Pediatric Spinal Cord Tumor
Pediatric Spinal Tumor
Pediatric Vascular Tumors
Penile Cancer
Pharyngeal Cancer
Pheochromocytoma
Pigmented Villonodular Synovitis (PVNS)
Pineal Region Tumor
Plasma Cell Neoplasms
Pleural Tumor
Pleuropulmonary Blastoma
Prostate Cancer
PTEN Hamartoma Tumor Syndrome (Cowden Syndrome and Bannayan-Riley-Ruvalcaba Syndrome)
Pulmonary Nodules
Pure Red Cell Aplasia (PRCA)
Rectal Cancer
Recurrent Cancer
Relapsed ALL
Relapsed AML
Relapsed Multiple Myeloma
Renal Cell Cancer
Retinoblastoma (Cancer of the Eye)
Retroperitoneal Tumor
Rhabdomyosarcoma
Salivary Gland Cancer
Sarcoma
Sezary Syndrome
Skin Cancer
Skull Base Tumor
Small Cell Carcinoma
Small Cell Lung Cancer
Small Intestine Cancer
Soft Tissue Sarcoma
Spinal Tumor
Squamous Cell Carcinoma (SCC)
Stage 4 Cancer
Stomach Cancer
Sun Exposure & Skin Cancer
Synovial Sarcoma
Testicular Cancer
Throat Cancer
Thrombocytosis
Thymoma and Thymic Carcinoma
Thymus Gland Tumor
Thyroid Cancer
Tracheobronchial Tumor
Transitional Cell Cancer
Urethral Cancer
Uterine Sarcoma
Vaginal Cancer
Vascular Tumor
Vulvar Cancer
Wilms Tumor