Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2003
[Early and late effects of local high dose radiotherapy of the brain on memory and attention].
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Duchstein Susanne, Gademann Günther, Peters Brigitte
Аннотация
BACKGROUND: Stereotactic radiotherapy of benign tumors of the base of skull shows excellent tumor control and long survival. Aim is to study the impact of high dose radiation therapy on functions of memory and attention over time.
PATIENTS AND METHODS: 21 patients (age 42 +/- 11 years) with tumors of the base of skull (meningiomas, pituitary gland adenomas) were treated by fractionated stereotactic radiotherapy (mean total dose 56.6 Gy/1.8 Gy). Comprehensive neuropsychological tests and MRI brain scans were performed before, 3, 9 and 21 months after therapy. 14 healthy volunteers were tested in parallel at baseline. In the follow-ups patients were their own controls.
RESULTS: In pretreatment tests there were significantly worse test results in comparison to the control group in ten of 32 tests. In postradiation tests only few changes were found in the early-delayed period and not much difference was seen in comparison to the baseline tests. In MRI scans tumor recurrences or radiation induced changes were not found.
CONCLUSION: Radiation with high local doses in target volume extremely close to sensitive brain structures like temporal lobes did not induce significant decline of cognitive functions.
PATIENTS AND METHODS: 21 patients (age 42 +/- 11 years) with tumors of the base of skull (meningiomas, pituitary gland adenomas) were treated by fractionated stereotactic radiotherapy (mean total dose 56.6 Gy/1.8 Gy). Comprehensive neuropsychological tests and MRI brain scans were performed before, 3, 9 and 21 months after therapy. 14 healthy volunteers were tested in parallel at baseline. In the follow-ups patients were their own controls.
RESULTS: In pretreatment tests there were significantly worse test results in comparison to the control group in ten of 32 tests. In postradiation tests only few changes were found in the early-delayed period and not much difference was seen in comparison to the baseline tests. In MRI scans tumor recurrences or radiation induced changes were not found.
CONCLUSION: Radiation with high local doses in target volume extremely close to sensitive brain structures like temporal lobes did not induce significant decline of cognitive functions.
Предметные рубрики MeSH
AdenomaAdultAttentionBrainDose Fractionation, RadiationFemaleFollow-Up StudiesHumansMagnetic Resonance ImagingMaleMemoryMeningeal NeoplasmsMeningiomaMiddle AgedNeuropsychological TestsPituitary NeoplasmsProspective StudiesRadiation InjuriesRadiotherapy, AdjuvantRadiotherapy, ConformalRadiotherapy, High-EnergySkull Base Neoplasms