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U Nestle

Publications and source records attributed to U Nestle.

At least 19 recordsLinked to original sources
PubMed2006

[Radiation protection. Implications for clinical practice on the new regulations governing roentgen ray irradiation and radioprotection].

In 2001 or 2002, the legislator made substantial alterations to the "Röntgenverordnung" [regulations governing use of roentgen ray radiation] and "Strahlenschutzverordnung" [regulations governing radiation protection]. This was done to bring German law in line with EU Directives 96/29/Euratom (basic safety standards for the protection of the health of workers and the general public against the dangers arising from ionizing radiation) and 97/43/Euratom (health protection of individuals against the dangers of ionizing radiation in relation to medical exposure). Proper use of radiation in medicine requires that those involved in its application are aware of the biological effect of radiation. When staff and others are protected good organization and appropriate technology at the workplace can achieve a great deal. In the new directives, the radiation protection for the patient is quantified and the responsibility of the physician is clearly pointed out. The most important aim is uniform quality throughout Europe in radiological diagnosis and radiation protection.

Clinical Medicine↗
PubMed2006

[Radiation protection in orthopaedics: implications for clinical practice of the new regulations governing roentgen ray irradiation and radioprotection].

In 2001 or 2002, the legislator made substantial alterations to the "Röntgenverordnung" [regulations governing use of roentgen ray radiation] and "Strahlenschutzverordnung" [regulations governing radiation protection]. This was done to bring German law in line with EU Directives 96/29/Euratom (basic safety standards for the protection of the health of workers and the general public against the dangers arising from ionizing radiation) and 97/43/Euratom (health protection of individuals against the dangers of ionizing radiation in relation to medical exposure). Proper use of radiation in medicine requires that those involved in its application are aware of the biological effects of radiation. When staff and others are protected good organization and appropriate technology at the workplace can achieve a great deal. In the new directives, the radiation protection for the patient is quantified and the responsibility of the physician is clearly pointed out. The most important aim is uniform quality throughout Europe in radiological diagnosis and radiation protection.

Germany↗
PubMed2005

Guidelines on radioiodine therapy for differentiated thyroid carcinoma: impact on clinical practice.

AIM: For the examination of the impact on clinical practice of the guidelines for differentiated thyroid carcinoma (DTC), treatment data from the ongoing Multicenter Study Differentiated Thyroid Carcinoma (MSDS) were analyzed. PATIENTS, METHODS: Patients were randomized to adjuvant external beam radiotherapy (RTx) or no RTx in addition to standard therapy in TNM stages pT4 pN0/1/x M0/x (UICC, 5th ed. 1997). All patients were to receive the same treatment regimen consisting of thyroidectomy, ablative radioiodine therapy (RIT), and a diagnostic 131I whole-body scintigraphy (WBS) 3-4 months after RIT. RESULTS: Of 339 eligible patients enrolled between January 2000 and March 2004, 273 could be analyzed. Guideline recommendations by the German Society for Nuclear Medicine from 1999 and 1992 were complied with within 28% and 82% with regard to the interval between surgery and RIT (4 vs. 4-6 weeks), in 33% and 84% with regard to 131I activity for RIT (1-3 vs. 1-4 GBq; +/- 10%), and in 16% and 60% with regard to 131I activity for WBS (100-300 vs. 100-400 MBq; +/- 10%). CONCLUSIONS: The 1999 guideline revision appears to have had little impact on clinical practice. Further follow-up will reveal if guideline compliance had an effect on outcomes.

Combined Modality Therapy↗
PubMed2002

[Optimization of radiotherapy planning for non-small cell lung cancer (NSCLC) using 18FDG-PET].

AIM: In recent years, FDG-PET examinations have become more important for problems in oncology, especially in staging of bronchogenic carcinoma. In the retrospective study presented here, the influence of PET on the planning of radiotherapy for patients with non-small-cell lung cancer (NSCLC) was investigated. METHODS: The study involved 39 patients with NSCLC who had been examined by PET for staging. They received radiotherapy on the basis of the anterior/posterior portals including the primary tumour and the mediastinum planned according to CT- and bronchoscopic findings. The results of the PET examination were not considered in initial radiotherapy planning. The portals were retrospectively redefined on the basis of FDG uptake considering the size and localization of the primary tumour; and FDG activities outside the mediastinal part of the portals. RESULTS: In 15 out of 39 patients, the CT/PET-planned portals differed from the CT-planned ones. In most causes (n = 12) the CT/PET field was smaller than the CT field. The median geometric field size of the portals was 179 cm2, after redefinition using PET 166 cm2. In 20 patients with disturbed ventilation caused by the tumour (atelectasis, dystelectosis), a correction of the portal was suggested significantly more frequently than in the other patients (p = 0.03). CONCLUSIONS: Our results demonstrate the synergism of topographical (CT) and metabolic (FDG-PET) information, which could be helpful in planning radiotherapy of bronchial carcinoma, especially for patients with disturbed ventilation.

Carcinoma, Non-Small-Cell Lung↗
PubMed2000

A palliative accelerated irradiation regimen for advanced non-small-cell lung cancer vs. conventionally fractionated 60 GY: results of a randomized equivalence study.

PURPOSE: Radiation oncologists are often faced with patients with advanced non-small-cell lung cancer (NSCLC), who are not suitable candidates for state-of-the-art radical treatment, but who also are not judged to have a very short life expectancy. Some physicians treat these patients palliatively, whereas others advocate more intensive treatment. To find out if there is a substantial difference in outcome between these approaches, we performed a randomized prospective study. METHODS AND MATERIALS: Between 1994 and 1998, 152 eligible patients with advanced NSCLC Stage III (n = 121) or minimal Stage IV (n = 31) were randomized to receive conventionally fractionated (cf; A: 60 Gy, 6 weeks, n = 79) or short-term treatment (PAIR; B: 32 Gy, 2 Gy b.i.d.; n = 73) of tumor and mediastinum. RESULTS: One-year survival rate for all patients was 37% with no significant difference between the two treatment arms (A: 36%; B: 38%; p = 0.76). As far as can be judged from limited data available, palliation was adequate and similar for the two treatment arms. Apart from expected differences in the time course of esophagitis, acute side effects were moderate and equally distributed. No severe late effects were observed. CONCLUSIONS: In the present randomized trial, survival and available data on palliation were not different after cf to 60 Gy compared to the palliative PAIR regimen. Therefore, for patients who are not suitable for radical treatment approaches, the prescription of a palliative short-term irradiation appears preferable compared to cf over several weeks.

Adenocarcinoma↗
PubMed2000

Prognostic factors in brain metastases: should patients be selected for aggressive treatment according to recursive partitioning analysis (RPA) classes?

PURPOSE: To determine whether or not Radiation Therapy Oncology Group (RTOG) recursive partitioning analysis (RPA) derived prognostic classes for patients with brain metastases are generally applicable and can be recommended as rational strategy for patient selection for future clinical trials. Inclusion of time to non-CNS death as additional endpoint besides death from any cause might result in further valuable information, as survival limitation due to uncontrolled extracranial disease can be explored. METHODS: We performed a retrospective analysis of prognostic factors for survival and time to non-CNS death in 528 patients treated at a single institution with radiotherapy or surgery plus radiotherapy for brain metastases. For this purpose, patients were divided into groups with Karnofsky performance status (KPS) <70% and KPS > or =70%, as proposed by the RTOG. RESULTS: Median overall survival was 2.9 months (2.0 months for patients with KPS <70% and 3.6 months for patients with KPS > or =70%, p < 0.001). We did not find other variables splitting patients with KPS <70% in different prognostic groups. However, advanced age, multiple brain metastases, presence of extracranial metastases, and uncontrolled primary tumor each predicted shorter survival in patients with KPS > or =70%. When grouped into the original RTOG RPA classes, our data set split into three subgroups with different prognosis and median survival times of 10.5, 3.5, and 2 months, respectively (p < 0.05). Only 3% of patients fell into the most favorable group. Median time to non-CNS death was 4.1 months (12.9 months in RPA class I, 4.9 months in RPA class II, and 3.8 months in RPA class III, respectively, p > 0.05 for RPA class II versus III). However, it was 8.5 months in RPA class II patients with controlled primary tumor, which was found to be the only prognostic factor for time to non-CNS death in patients with KPS > or =70%. In patients with KPS <70%, no statistically significant prognostic factors were identified for this endpoint. CONCLUSIONS: Despite some differences, this analysis essentially confirmed the value of RPA-derived prognostic classes, as published by the RTOG, when survival was chosen as endpoint. RPA class I patients seem to be most likely to profit from aggressive treatment strategies and should be included in appropriate clinical trials. However, their number appears to be very limited. Considering time to non-CNS death, our results suggest that certain patients in RPA class II also might benefit from increased local control of brain metastases.

Adult↗
PubMed2000

A review of current and future treatment strategies for malignant astrocytomas in adults.

BACKGROUND: For more than 20 years, after establishing the role of postoperative radiotherapy for malignant astrocytomas, no definitive improvement in survival rates could be observed, despite advances in established treatment modalities such as radiotherapy and chemotherapy. This review discusses available laboratory and clinical data as well as recent advances in our knowledge about prognostic factors (Table 1) and their implications for the design of future clinical trials. RESULTS: Elucidation of the biology of malignant astrocytomas allowed for development of rational new approaches, such as gene therapy and immunotherapy, which could interfere with established treatment regimens or being used independently. Possible strategies include the restoration of defective cancer-inhibitory genes, cell transduction or transfection with antisense DNA corresponding to genes coding for growth factors and their receptors, or with the so-called suicide genes. Several antiangiogenic approaches such as administration of thalidomide, protamine, or monoclonal antibodies against vascular endothelial growth factor have been developed, too. Further treatment possibilities include modulation of drug resistance, e.g. by P-glycoprotein antagonists or O6-alkyl-guanine-DNA-transferase inhibitors, inhibition of matrix metalloproteinases, inhibition of protein kinase C, and administration of agents such as phenylbutyrate or valproic acid that showed promising antiproliferative effects in vitro. CONCLUSIONS: Several rational new approaches are now entering clinical trials (Table 2). In the light of limited survival after standard treatment it is recommended that patients should be offered participation in such trials.

Adult↗
PubMed2000

Dose-response relationships for radiotherapy of brain metastases: role of intermediate-dose stereotactic radiosurgery plus whole-brain radiotherapy.

The effects of intermediate-dose radiotherapy consisting of whole-brain radiotherapy (WBRT, 10 fractions of 3 Gy) plus stereotactic radiosurgery (SRS) were studied prospectively. Twenty-five adult patients with 31 brain metastases received WBRT plus linear accelerator (LINAC)-based single dose SRS with fixed treatment parameters (10 Gy at the isocenter, target volume enclosed by the 90% isodose). Median age was 63 years, median Karnofsky performance status 80%, and median diameter of brain metastases 2.4 cm. Fifteen patients had non-small-cell lung cancer. Because of some early deaths, only 26 lesions could be evaluated for response. We observed 1 complete and 15 partial remissions. Median time to progression inside or outside the SRS volume was 4.5 months. Actuarial local control of SRS-treated lesions was 61% at 1 year. At that time, only 37% of patients were free from new lesions outside the SRS volume. Median survival and cause-specific survival were 2.3 and 4.5 months, respectively (1-year survival rate 8% and 21%). Ten patients died of progressive brain metastases, 13 from extracranial disease progression (unknown cause of death in 2 cases). Comparable to SRS studies with higher doses, the majority of brain failures occurred outside the SRS volume and more patients died of extracranial progression than of uncontrolled brain metastases. Failure to improve survival can be explained by the high percentage of patients with extracranial metastases (52%). However, the present results appear less favorable than those of previous studies of SRS with 15 Gy to 16 Gy (1-year actuarial local control rates of 66-89%). Therefore, we recommend SRS with 15 Gy to 16 Gy for patients whose favorable prognostic factors justify a boost after WBRT.

Adult↗
PubMed1999

18F-deoxyglucose positron emission tomography (FDG-PET) for the planning of radiotherapy in lung cancer: high impact in patients with atelectasis.

PURPOSE: 18F-deoxyglucose positron emission tomography (FDG-PET) is increasingly applied in the staging of lung cancer (LC). This study analyzes the potential contribution of PET in radiotherapy planning for LC with special respect to tumor-associated atelectasis. METHODS AND MATERIALS: Thirty-four patients with histologically confirmed LC, who had been examined by PET during pretreatment staging, were included. All were irradiated after CT-based therapy planning with anterior/posterior (AP) portals encompassing the primary tumor and the mediastinum (CT portals, CP). The result of the PET examination was unknown in treatment planning. In retrospect, a PET portal (PP) was delineated and compared with the CP. RESULTS: In 12/34 cases, the shape and/or size of the portals were changed, primarily (n = 10) the size of the fields was reduced. The median area of CP was 182 cm2 versus 167 cm2 of PP. Seventeen of 34 patients had dys- or atelectasis caused by a central primary tumor. In these cases, differences between CP and PP were significantly more frequent than in the other patients (8/17 vs. 3/17, p = 0.03). CONCLUSION: In this retrospective analysis, the information provided by FDG-PET would have contributed to a substantial reduction of the size of radiotherapy portals. This applies particularly for patients with tumor-associated dys- or atelectasis.

Carcinoma, Non-Small-Cell Lung↗
PubMed1999

Hyperfractionated and accelerated-hyperfractionated radiotherapy for glioblastoma multiforme.

Because of promising radiobiological advantages allowing dose escalation and/or reduction of treatment time, hyperfractionated and accelerated-hyperfractionated radiotherapy (hf-rt, ahf-rt) were introduced as part of treatment of glioblastoma multiforme (gbm). In December 1988 we started a prospective study of hf-rt (total dose 78 Gy, two daily fractions of 1.3 Gy, interval between daily fractions 6 hr, treatment time 6 weeks, n = 34 patients). The results were compared with our previous regimen of conventionally fractionated radiotherapy (cf-rt: total dose 60 Gy, single dose 2 Gy, treatment time 6 weeks, n = 32 patients). In June 1990, the protocol was modified in order to reduce treatment time (ahf-rt: total dose 60 Gy, two daily fractions of 1.5 Gy, interval 6 hr, treatment time 4 weeks, n = 92 patients until December 1996). No chemotherapy was given. Entry criteria were: age > or = 17 years, pathological diagnosis of supratentorial gbm, and no previous treatment other than surgery. The ahf-rt group included significantly more patients with previous surgical resection instead of biopsy only. Compared with the cf-rt group, both the hf-rt and the ahf-rt group included significantly more patients with frontal tumor location. We found no significant survival difference between the groups (median survival 7-10 months, 1-year survival rate 19%-29%). Progression-free survival, clinical course, and toxicity were also not significantly different. Karnofsky performance status, age, and corticosteroid dose during radiotherapy were the most important prognostic factors. The results of this trial are in large agreement with most previous publications. It demonstrated no improved survival. However, it showed that treatment time can be reduced by ahf-rt without loss of survival benefit or intolerable toxicity. A short radiotherapy course might be appropriate for many patients with gbm who are not suitable for rather aggressive investigational therapies.

Adolescent↗
PubMed1999

Late radiation toxicity after whole brain radiotherapy: the influence of antiepileptic drugs.

This retrospective study had the following aims: (a) calculation of actuarial rate of late radiation toxicity after whole-brain radiotherapy (WBRT), (b) correlation of clinical symptoms with changes of computed tomography (CT) scans, and (c) analysis of potentially predictive factors with special regard to concomitant treatment with antiepileptic drugs. We analyzed 49 adult patients, selected from a preexisting data base. Inclusion criteria were as follows: no previous brain irradiation; WBRT without boost; CT, clinical, and neurologic examination before and more than 3 months after completion of WBRT. Uni- and multivariate tests of various patient- and treatment-related parameters as possible predictive factors for clinical symptoms of late radiation toxicity (scored according to the RTOG/EORTC system) as well as cerebral atrophy and white matter abnormalities were performed. Median age was 54 years. Patients were treated for brain metastases (n = 37), primary cerebral lymphoma (n = 2), primary brain tumors (n = 7), or with prophylactic intention (n = 3). Carbamazepine was given to 15 patients, phenytoin to 12, and barbiturate to 7, respectively; 42 patients also received corticosteroids. The median dose of WBRT was 30 Gy (range 27-66 Gy). Median fraction size was 3 Gy (1-3 Gy). Nine patients received two fractions per day. The biologically effective dose (BED) according to the linear-quadratic model ranged between 90 and 141 Gy (median, 120 Gy; alpha/beta value, 1 Gy). Median follow-up was 10 months (range, 4-130 months). In 16 cases, symptoms of late radiation toxicity grade I-III appeared. Actuarial rates were 32% after 1 year, 49% after 2 years, and 83% after 5 years. Actuarial rates of cerebral atrophy were 50% after 1 year and 84% after 2 years (white matter abnormalities: 25% and 85%, respectively). There was a significant correlation between atrophy and white matter abnormalities, but not between CT changes and clinical symptoms. CT changes were dependent on BED, absence of barbiturate use, and preexisting cerebral atrophy. Clinical symptoms usually were dependent on BED too, but treatment with carbamazepine was more important in the multivariate model. Neither other drugs nor other factors influenced late radiation toxicity. A detailed analysis showed that most carbamazepine-treated symptomatic patients took the drug during WBRT as well as during follow-up. Actuarial rates of grade I-III symptoms were 18% versus 50% after 1 year with or without carbamazepine. Even after exclusion of carbamazepine-treated patients, CT changes and clinical symptoms did not correlate. In conclusion, a BED <120 Gy was associated with a lower rate of late radiation toxicity after WBRT. The anticonvulsant drug carbamazepine showed a surprisingly clear influence on clinical symptoms of late radiation toxicity; that might be explained by the fact that the side effects of long-term drug treatment are indistinguishable from mild or moderate true radiation sequelae, rather than that it has a role in the pathogenesis of radiation-induced changes.

Actuarial Analysis↗
PubMed1999

[Palliative accelerated irradiation for advanced non-small-cell lung bronchial carcinoma: results of a pilot study].

In order to reduce the aggressivity of radiotherapy of very advanced non-small-cell lung cancer (NSCLC), and to shorten treatment time, a palliative accelerated irradiation regimen (PAIR) was developed. Before the onset of a randomised study, we performed a one-year pilot study, of which the paper presented here gives the results after complete follow-up. 34 patients (S) with locally inoperable advanced NSCLC stage III (74%) and IV (26%) were irradiated with accelerated fractionation schedule, focussing on tumour and mediastinum, with a total dose of 32 Gy (PAIR, 2 x 2 Gy/d). Treatment results were compared to those of a group of 178 controls (K) treated conventionally, who were selected from a preexisting database according to study inclusion criteria (tab. 2-5 stage III 65%, IV 35%). 105 of them had been treated with a total dose of 60 Gy (K60). After complete follow-up a final evaluation was made. Local control did not differ significantly between both groups, and not between groups S and K60 (tab. 6, fig. 2). Median survival for all patients (S + K) was 6 months. With 8.7 months, that of the study patients (S) was significantly longer than that of the controls (K, fig. 1). This was also true of stage III. Comparison with the 60-Gy-controls (K60) did not reveal significant survival differences. In Cox regression analysis independent prognostic factors were: Karnofsky index, UICC stage, and N stage. Concerning the palliation of tumour-related symptoms, both therapies were comparable (tab. 7). The side-effects were moderate and also comparable. These results induced us start a randomized study comparing both regimens in respect of prognosis and palliation.

Carcinoma, Non-Small-Cell Lung↗
PubMed1998

Multivariate logistic analysis of dose-effect relationship and latency of radiomyelopathy after hyperfractionated and conventionally fractionated radiotherapy in animal experiments.

PURPOSE: We examined in rats whether the radiation tolerance of spinal cord is enhanced by using hyperfractionated radiotherapy compared to a conventional schedule. Higher tolerable doses to the spinal cord would allow dose escalation to the tumor and thus possibly lead to higher cure rates, especially in tumors with high cell proliferation. METHODS AND MATERIALS: Cervical spinal cord of 276 healthy rats was irradiated over 6 weeks hyperfractionally with single doses ranging from 0.75-2.5 Gy up to total doses ranging from 45-150 Gy (60 fractions) and conventionally with single doses of 1.5-4.0 Gy up to total doses of 45-120 Gy (30 fractions). The rats were examined neurologically and sacrificed when paralysis of the hind legs occurred. After fixation, spinal cord was removed and examined histologically. Dose-effect relationship and latency from the beginning of radiotherapy to the onset of paralysis were computed and analyzed using a multivariate logistic regression model. RESULTS: The model fitted the observed data excellently. There were highly significant effects both for the dose level and for the treatment regimen. Latency analysis showed earlier and more intense acute side effects after hyperfractionation but radiomyelopathy occurred markedly later. CONCLUSIONS: The sparing effect of hyperfractionation on spinal cord as predicted by radiobiologists could be confirmed in our experiments. Thus, it seems possible to escalate tumor doses using hyperfractionation without enhanced risk to spinal cord but with higher probability of tumor cure.

Animals↗
PubMed1998

Dose/effect relationships for brain metastases.

PURPOSE: Only in selected patients with brain metastases, e.g. those with controlled or absent extracranial tumour, may application of higher total doses of radiotherapy improve survival. However, local control is the prerequisite for long-term survival. This study aimed to answer the question whether or not local control can be improved by dose escalation. METHODS: Computed tomography scans of 322 patients were analysed in order to evaluate the best local result after radiotherapy and the time to local progression. Total doses of 25-60 Gy were administered (single doses 1.8-5 Gy). The biologically effective dose (BED10) was calculated for statistical evaluation according to the linear-quadratic model assuming an alpha/beta-value of Gy. It ranged between 37.5 Gy and 72 Gy. RESULTS: The best local result was dependent on the number of brain metastases, BED and the histology of the primary tumour (small-cell and breast carcinoma had higher remission rates than squamous-cell carcinoma, non-breast adenocarcinoma and others). Partial remission rates significantly increased with BED, whereas complete remission rates did not improve. Histology was the only significant factor in multivariate tests. The 1-year-failure rate improved with increased BED from 44% to 31% (P > 0.05). Overall survival (median 3 months) was not dependent on total dose. CONCLUSIONS: Previous studies suggested that a prolongation of survival can be achieved through better local management (e.g. surgery plus radiotherapy, radiosurgery). However, it is still uncertain whether conventional external-beam radiotherapy with higher total doses leads to comparable results. The optimum dose level still has to be established. For squamous-cell carcinoma and adenocarcinoma a BED of at least 72 Gy seems to be necessary, for small-cell and breast carcinoma, doses between 48 Gy and 60 Gy might be sufficient. The important influence of tumour histology on local remission and progression-free survival should be considered when planning future clinical trials.

Adult↗
PubMed1997

Accelerated radiotherapy for brain metastases.

BACKGROUND AND PURPOSE: Two novel fractionation schedules for whole-brain irradiation were applied to patients with brain metastases. Both schedules were aimed at reduction of treatment time, whereby tumour control should be increasing with the application of a higher total dose (schedule 2). MATERIALS AND METHODS: We applied 2 x 2.5 Gy/day to a total dose of 30 Gy (schedule 1) or 2 x 1.8 Gy/day to a total dose of 50.4 Gy (schedule 2). The interval between daily fractions was 6 h. Treatment was interrupted on weekends. The 30 Gy schedule was also used in adjuvant treatment for resected brain metastases. We compared the results of 15 patients who underwent the 50.4 Gy schedule and 47 patients who were treated up to 30 Gy with those of a historical patient group, treated with one daily fraction of 3 Gy up to 30 Gy (n = 283). RESULTS: Local result, clinical course and survival were similar for the 30 Gy groups, whereby prognostic factors were equally distributed. Despite a favourable patient selection no therapeutic gain was seen for the 50.4 Gy group. Patients treated with the accelerated 30 Gy schedule had a significantly worse progression-free survival and a higher rate of late radiation toxicity than the historical group. In contrast, no severe acute toxicity was observed. CONCLUSIONS: Considering progression-free survival and late toxicity, the accelerated 30 Gy schedule can not be recommended without hesitation. Radiotherapy with a higher total dose (50.4 Gy) showed no advantage.

Adult↗
PubMed1996

Ten years disease-free survival after solitary brain metastasis from breast cancer.

The unique case of a 51-year-old woman who developed a solitary brain metastasis as the first site of systemic disease 11 months after a total mastectomy for an undifferentiated infiltrating ductal carcinoma of her right breast is described. After surgery for the pT2pN0 carcinoma, the patient received radiotherapy of the internal mammary and supraclavicular lymph nodes. The brain metastasis was treated with surgery and adjuvant whole-brain radiotherapy to a total dose of 30 Gy in December 1984 and January 1985. Afterwards a hormonal treatment with tamoxifen was initiated, which still continues. Since then no further distant or lymph node metastases have developed. The patient is under regular after-care and undergoes various apparative examinations every 6 months. She is generally well and suffers only from a postoperatively persistent hemianopsia. This is the first case in which a disease-free survival for more than 10 years after brain metastases from breast cancer has been reported. It illustrates the specific biological behaviour of this tumour type and the chance of achieving long-term survival in very selected cases.

Antineoplastic Agents, Hormonal↗