Explanipedia

Dosimetric comparison of intra-cavitary brachytherapy technique with free-hand (intra-cavitary + interstitial) technique in cervical cancer Open

Sumukh Jamadagni, Arul Ponni, P. Revathy · 2024

Free-hand brachytherapy (IC + IS) achieves a statistically significant better dose distribution to high-risk clinical target volume (HR-CTV) comparing with ICBT technique with similar dose to organs at risk.

Postgraduate teaching–learning pattern for radiation oncology students in India – A survey-based analysis Open

M Janaki, Arul Ponni · 2023

Context: Teaching and training in Radiation Oncology is only at postgraduate level with 8–10 hours of theory sessions during undergraduate course. Uniform training during the post-graduation course across the country is a major challenge a…

Prognostic Nutritional Index - A Predictive Tool for Treatment Tolerance in Head and Neck Radiotherapy Open

Anu Anna George, Arul Ponni · 2022

Background: Head-and-neck cancer (HNC) constitutes one-third of all cancers in developing countries, and the majority present in locally advanced stages. Poor nutritional status is invariably present which compromises treatment compliance,…

The tolerance to chemoradiation for cervical cancer patients Open

Mohan Kumar Somashekar, Janaki Manur Gururajachar, Arul Ponni, Kirthi Agrahara Koushik, RamCharith Alva · 2021

Context: Rural versus urban cervical cancer. Aims: This study aims to study the difference in toxicities and clinical outcome of chemoradiation in urban and rural cervical cancer patient. Settings and Design: This was a prospective study. …

Brachytherapy for Oral Cavity Cancers in the Era of Intensity-Modulated Radiotherapy: Save it or Shelve it Open

Ram Charith Alva, Kirthi Koushik, Sweta Bawari, M Janaki, Arul Ponni , et al. · 2020

Interstitial high-dose-rate brachytherapy using cobalt-60 source for cervical cancer: dosimetric and clinical outcomes from a single institute Open

Mohan Kumar, Revathy Thangaraj, Ram Charith Alva, Kirthi Koushik, Arul Ponni , et al. · 2020

The dosimetric parameters, local control and toxicities of high-dose-rate interstitial brachytherapy in cervical cancer patients treated by ⁶⁰Co radioactive source are similar, compared to available literature using iridium-192 …

Dose to swallowing structures and dysphagia in head and neck Intensity Modulated Radiation Therapy – A long term prospective analysis Open

Ram Abhinav Kannan, Arul Ponni · 2019

Giving a constraint to the swallowing structure and limiting it to 45 Gy.

Impact of different dose prescription schedules on EQD2 in high-dose-rate intracavitary brachytherapy of carcinoma cervix Open

Mohan Kumar, Revathy Thangaraj, Ram Charith Alva, Kirthi Koushik, Arul Ponni , et al. · 2019

EQD₂ of bladder, rectum, sigmoid, D₉₀ CTV_HR, and point A were similar with 5.5 Gy × 5 fractions, 6.5 Gy × 4 fractions, and 7 Gy × 4 fractions, whereas EQD₂ of 9 Gy × 2 fractions was significantly…

Optimal technique of radiotherapy for carcinoma cervix in developing countries Open

Arul Ponni, H U Avinash, S Nirmala, M Janaki, Kirthi Koushik · 2018

3DCRT technique is the most optimal technique for radical radiotherapy of cervical cancers with optimum PTV coverage, acceptable planning time, and minimal treatment time as compared to IMRT. 2DCRT technique should be limited to the settin…

Highly Sensitive C reactive Protein (hs-CRP) as marker in Oral & Oropharyngeal malignancy Open

K Adarsh, B Preethi, Arul Ponni · 2017

Introduction.Cancer is emerging as a major public health problem in India.It is estimated that the number of new cancer cases are likely to go up from ~979,786 cases in the year 2010 to ~1,148,757 cases by the year 2020.Majority of the can…

Angular Variation of Applicators in LDR-ICBT Open

Kirthi Koushik, Ram Charith Alva, M Janaki, Arul Ponni · 2017

Effect of angular variation to dose received and its clinical correlation was studied in 36 ca.cervix patients. Angular variation results in dose variation but its impact needs to be studied.

Impact of Molecular Predictors on the Response Rates in Head and Neck Cancer Patients – an Observational Study Open

Arvind Sathyamurthy, Kirthi Koushik, Mangala Gowri, M Janaki, Nalini Kilara , et al. · 2016

Comparison of manual and inverse optimisation techniques in high dose rate intracavitary brachytherapy of cervical cancer: A dosimetric study Open

Ram Abhinav Kannan, Janaki Manur Gururajachar, Arul Ponni, Kirthi Koushik, Mohan Kumar , et al. · 2015

The use of inverse planning in intracavitary brachytherapy of cervix has shown a significant improvement in the target volume coverage when compared with manual planning.

A prospective dosimetric and clinical comparison of acute hematological toxicities in three-dimensional conformal radiation therapy and intensity modulated radiation therapy with concurrent chemotherapy in carcinoma cervix Open

H U Avinash, Arul Ponni, MG Janaki, AS Kirthi Koushik, SMohan Kumar · 2015

IMRT significantly reduces the dose to the bone marrow as compared to 3DCRT. The reduction of the dose did not translate into a decrease in acute hematological toxicities. Concurrent platinum-based chemotherapy is the probable cause for th…

Implication of Bifurcation of Abdominal Aorta for Radiotherapy Planning for Cervical Cancers Open

Arul Ponni, Handanakere Udayashankara Avinash, M Janaki, Agrahara Srinivas Kirthi Koushik, Mohan Kumar Somashekar · 2015

The division of abdominal aorta occurs at a higher level than L4-L5 intervertebral space in majority of patients. It is highly recommended to use CT scan based planning. However, in institutes where there are no facilities for CT based pla…

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