FIELD: medicine.
SUBSTANCE: invention refers to nuclear medicine, namely to neurooncology, and can be used to determine absorbed dose from thermal neutrons in boron-neutron capture therapy of malignant tumors. Patient is administered the targeted boron delivery preparation. Epithermal neutrons are flown. Measuring γ-spectrometer radiation intensity γ-quanta of atomic nuclei activated with epithermal neutrons. Reagents with atomic nuclei activated by epithermal neutrons are sodium, chlorine, potassium and manganese contained in the human body. Absorbed dose of thermal neutrons D is determined from relationship D = Dcalc × Ymeas / Ycalc, where Dcalc – absorbed dose from thermal neutrons, obtained by calculation, Ymeas is radiation intensity γ-quantities of atomic nuclei activated with epithermal neutrons, measured γ-spectrometer, Ycalc is radiation intensity γ-quanta of atomic nuclei activated with epithermal neutrons, obtained by calculation.
EFFECT: method provides determining the absorbed dose from thermal neutrons.
3 cl, 1 tbl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR DETERMINATION OF THE ABSORBED DOSE OF RECOIL NUCLEI | 2020 |
|
RU2743417C1 |
| METHOD OF MEASURING ABSORBED DOSE IN BORON NEUTRON CAPTURE THERAPY OF MALIGNANT TUMORS | 2015 |
|
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RU2212260C2 |
