Sayan Paul

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Cyclophosphamide therapy may rarely cause pigmentation of the nails which is of different patterns. We report a patient who developed pigmentation of nails after six cycles of cyclophosphamide, methotrexate, and 5-flourouracil chemotherapy, each repeated after 28 days for breast cancer. The patient developed nail pigmentation that started proximally and(More)
Purpose: Evaluation of the newly integrated system for its validation and designing a quality assurance frame work to assess its geometrical, radiological and mechanical accuracy. Methods: Isocentric accuracy of two independent imaging modalities, kV based ExacTrac and MV based iViewGT was evaluated using Winston-Lutz test. A pelvic humanoid phantom was(More)
A sixty year old male presented with a swelling in the upper lip. On cytopathology, the patient was diagnosed as a case of granulocytic sarcoma. His bone marrow examination was unremarkable. Patient was then treated by radiotherapy alone 30 Gray in 15 fractions and achieved complete response. Eighteen months after follow up the patient is absolutely normal.(More)
PURPOSE The use of positron emission tomography (PET) for radiotherapy planning purposes has become increasingly important in the last few years.In the current study, we compared the SUV values of images at the PET CT console to the SUV values obtained at the RT planning workstation. MATERIALS AND METHODS The PET-CT cylindrical body phantom was filled(More)
AIM Chemo-radiotherapy (CRT) is the standard of care for treating almost all cervical carcinoma patients on the basis of the National Cancer Institute (NCI) alert. The disease burden in developing countries is more advanced with poor general condition than in patients in the trials prompting the NCI alert. Therefore, practicing CRT as standard of care(More)
AIMS The aim of the present study is to investigate the association between polymorphism of cytochrome P450 2C9 (CYP2C9) enzyme with head and neck squamous cell carcinoma (HNSCC) and response in patients receiving cisplatin-based radical chemoradiation (CT-RT). MATERIALS AND METHODS Four hundred and sixty patients suffering from locally advanced HNSCC and(More)
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