PAULO DE TARSO DALLEDONE SIQUEIRA

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Study of neutron-DNA interaction at the IPEN BNCT research facility
2004 - QUAL, M.R.; RODRIGUEZ, O.; GUZMAN, F.; DEPPMAN, A.; ARRUDA NETO, J.D.T.; LIKHACHEV, V.P.; COELHO, P.R.P.; SIQUEIRA, P.T.D.
Monte Carlo simulation as an auxiliary tool for electron beam quality specification for intra-operative radiotherapy
2005 - CASTRO NETO, ALUISIO J. de; HADDAD, CECILIA M.K.; PELOSI, EDILSON L.; ZEVALLOS CHAVEZ, JUAN Y.; YORIYAZ, HELIO; SIQUEIRA, PAULO de T.D.
Intra-operative radiotherapy (IORT) using electron beams has demonstrated to be a good alternative as part of the breast-conserving surgery. Besides, as the computer processing capacity has been increasing along the years, it has become a potential auxiliary tool in radiotherapy treatment planning. In this work these streams are merged together: simulations were performed by different Monte Carlo radiation transport codes (EGS4 and MCNP in its releases 4C and 5) in an attempt to not only examine the efficacy of Al and Pb discs used in IORT procedures to protect critical regions but also to compare the performance of the forementioned codes.