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All Journal Indonesian Journal of Cancer Chemoprevention
Tali, Tavseef Ahmad
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Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology

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Dosimetric Comparison between Intensity Modulated Radiation Therapy (IMRT) and Three-Dimensional Conformal Radiation Therapy (3DCRT) in Mid Lower esophageal Carcinoma: An Analytical Observational Study Tali, Tavseef Ahmad; Amin, Fiza; Khan, Aijaz Ahmad; Sofi, Shahid Rashid; Sofi, Mushtaq Ahmad; Khan, Mohsin Rehman
Indonesian Journal of Cancer Chemoprevention Vol 13, No 3 (2022)
Publisher : Indonesian Society for Cancer Chemoprevention

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14499/indonesianjcanchemoprev13iss3pp159-165

Abstract

Esophageal cancer (EC) is a common cancer with high mortality because of its rapid progression and poor prognosis. One of the most successful therapies for EC is radiotherapy. Two recently created radiation methods are intensity-modulated radiotherapy (IMRT) and three-dimensional conformal radiotherapy (3D-CRT). In terms of target coverage, dose homogeneity, and lowering toxicity to healthy organs, IMRT is thought to be superior to 3D-CRT. These benefits haven't been proven in the treatment of EC, though. This study was performed to investigate if intensity modulated radiation therapy (IMRT) offers a better planning target volume (PTV) coverage and/or lower dose to organs at risk in comparison to three-dimensional conformal radiation therapy (3DCRT). 30 patients with locally advanced histo-pathologically proven mid and lower oesophageal carcinoma, not reaching gastro-esophageal junction were treated with chemoradiation using IMRT technique. 3DCRT plans were generated for those 30 patients. The IMRT and 3DCRT plans were compared in terms of PTV coverage and doses to organs at risk. Our results revealed that IMRT is better than 3DCRT comparing PTV coverage and doses to organs at risk having statistically significant difference between both techniques (p<0.001). As for the organs at risk (OAR), the V20 for the IMRT plans delivered lesser lung volume irradiation also the mean dose to the heart and the V30 were both higher in the 3DCRT plans.Keywords: esophageal cancers (ECs), Organs at risk (OAR), Intensity modulated radiation therapy (IMRT), Three-dimensional conformal radiation therapy (3DCRT), Planned target volume (PTV).
Clinical Profile and Treatment Outcome of Chordoma: A Tertiary Care Experience in North India Tali, Tavseef Ahmad; Amin, Fiza; Dar, Javaid Ahmad; Sofi, Mushtaq Ahmad; Dar, Nazir Ahmad
Indonesian Journal of Cancer Chemoprevention Vol 13, No 2 (2022)
Publisher : Indonesian Society for Cancer Chemoprevention

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14499/indonesianjcanchemoprev13iss2pp137-143

Abstract

Chordoma is a slow growing cancer of tissue found inside the spine. Chordoma can happen anywhere along the spine. It is most often found near the tailbone (called a sacral tumor) or where the spine meets the skull (called a clival tumor). Chordoma is also called notochordal sarcoma. The main objective of this study was to determine the clinical profile and treatment outcome of chordoma patients. All the patients were diagnosed using radiological imaging and biopsy. The site of origin of chordoma was the sacrum in seventeen (71%) patients, the spine in six (25%) patients, and the skull base in one (4%) patient. 21 (88%) of the twenty-four patients received primary surgery. These 21 patients then received adjuvant radiation therapy using the intensity modulated radiation therapy (IMRT) strategy, with radiation dose ranging from 70Gy to 74Gy. Three patients (12%) did not undergo surgery; two had low performance status and received only radiotherapy; the third with the disease at the base of the skull was unresectable; this patient received radiotherapy first, then imatinib. Compared to individuals who get radiation alone, the addition of adjuvant radiation therapy to surgery in chordoma patients enhances overall survival.Keywords: chordoma, radiotherapy, targeted therapy.
Co-Authors Amin, Fiza Dar, Javaid Ahmad Dar, Nazir Ahmad Khan, Aijaz Ahmad Khan, Mohsin Rehman Sofi, Mushtaq Ahmad Sofi, Shahid Rashid