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A stochastic model ...
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Ceberg, CristerLund University,Lunds universitet,Medicinsk strålningsfysik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Medical Radiation Physics, Lund,Section V,Department of Clinical Sciences, Lund,Faculty of Medicine
(författare)
A stochastic model for subcellular dosimetry in boron neutron capture therapy
- Artikel/kapitelEngelska1995
Förlag, utgivningsår, omfång ...
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1999-01-01
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IOP Publishing,1995
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:3f77ee55-6f9a-474a-b7be-7d908e41b9d8
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https://lup.lub.lu.se/record/1109451URI
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https://doi.org/10.1088/0031-9155/40/11/004DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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The therapeutic effectiveness of boron neutron capture therapy is highly dependent on the microscopic distribution of the administered boron compound. Two boron compounds with different uptake mechanisms in the tumour cells may thus cause effects of different degrees even if the macroscopic boron concentrations in the tumour tissue are the same. This difference is normally expressed quantitatively by the so-called relative local efficiency (RLE). In this work, a stochastic model for the subcellular dosimetry has been developed. This model can be used to calculate the probability for an energy deposition above a certain threshold level in the cell nucleus due to a single neutron capture reaction. If a threshold cell-kill function is assumed, and if the dose is low enough that multiple energy depositions are rare, the model can also be applied to calculations of the survival probability for a cell population. Subcellular boron distributions in rats carrying RG 2 rat gliomas were measured by subcellular fractionation after administration of two different boron compounds: a sulphydryl boron hydride (BSH) and a boronated porphyrin (BOPP). Based on these data, the RLE factors were then calculated for these compounds using the stochastic model.
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Persson, Anders
(författare)
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Brun, ArneLund University,Lunds universitet,Neurokirurgi,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Neurosurgery,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund(Swepub:lu)pat-ab8
(författare)
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Huiskamp, René
(författare)
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Salford, LeifLund University,Lunds universitet,Neurokirurgi,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Neurosurgery,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)nkir-lsa
(författare)
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Persson, Bertil RLund University,Lunds universitet,Medicinsk strålningsfysik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Medical Radiation Physics, Lund,Section V,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)radf-bpe
(författare)
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Medicinsk strålningsfysik, LundSektion V
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Physics in Medicine and Biology: IOP Publishing40:11, s. 1819-18301361-65600031-9155
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