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  • Dirksen, Uta  (10)
  • Ladenstein, Ruth  (10)
  • 1
    Online Resource
    Online Resource
    High-Dose Chemotherapy Compared With Standard Chemotherapy and Lung Radiation in Ewing Sarcoma With Pulmonary Metastases: Results of the European Ewing Tumour Working Initiative of National Groups, 99 Trial and EWING 2008
    American Society of Clinical Oncology (ASCO) ; 2019
    In:  Journal of Clinical Oncology Vol. 37, No. 34 ( 2019-12-01), p. 3192-3202
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 34 ( 2019-12-01), p. 3192-3202
    Abstract: The R2Pulm trial was conducted to evaluate the effect of busulfan-melphalan high-dose chemotherapy with autologous stem-cell rescue (BuMel) without whole-lung irradiation (WLI) on event-free survival (main end point) and overall survival, compared with standard chemotherapy with WLI in Ewing sarcoma (ES) presenting with pulmonary and/or pleural metastases. METHODS From 2000 to 2015, we enrolled patients younger than 50 years of age with newly diagnosed ES and with only pulmonary or pleural metastases. Patients received chemotherapy with six courses of vincristine, ifosfamide, doxorubicin, and etoposide (VIDE) and one course of vincristine, dactinomycin, and ifosfamide (VAI) before either BuMel or seven courses of VAI and WLI (VAI plus WLI) by randomized assignment. The analysis was conducted as intention to treat. The estimates of the hazard ratio (HR), 95% CI, and P value were corrected for the three previous interim analyses by the inverse normal method. RESULTS Of 543 potentially eligible patients, 287 were randomly assigned to VAI plus WLI (n = 143) or BuMel (n = 144). Selected patients requiring radiotherapy to an axial primary site were excluded from randomization to avoid excess organ toxicity from interaction between radiotherapy and busulfan. Median follow-up was 8.1 years. We did not observe any significant difference in survival outcomes between treatment groups. Event-free survival was 50.6% versus 56.6% at 3 years and 43.1% versus 52.9% at 8 years, for VAI plus WLI and BuMel patients, respectively, resulting in an HR of 0.79 (95% CI, 0.56 to 1.10; P = .16). For overall survival, the HR was 1.00 (95% CI, 0.70 to 1.44; P = .99). Four patients died as a result of BuMel-related toxicity, and none died after VAI plus WLI. Significantly more patients in the BuMel arm experienced severe acute toxicities than in the VAI plus WLI arm. CONCLUSION In ES with pulmonary or pleural metastases, there is no clear benefit from BuMel compared with conventional VAI plus WLI.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.19.00915
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
    detail.hit.zdb_id: 2005181-5
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  • 2
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    High-Dose Chemotherapy and Blood Autologous Stem-Cell Rescue Compared With Standard Chemotherapy in Localized High-Risk Ewing Sarcoma: Results of Euro-E.W.I.N.G.99 and Ewing-2008
    American Society of Clinical Oncology (ASCO) ; 2018
    In:  Journal of Clinical Oncology Vol. 36, No. 31 ( 2018-11-01), p. 3110-3119
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 36, No. 31 ( 2018-11-01), p. 3110-3119
    Abstract: For over 30 years, the place of consolidation high-dose chemotherapy in Ewing sarcoma (ES) has been controversial. A randomized study was conducted to determine whether consolidation high-dose chemotherapy improved survival in patients with localized ES at high risk for relapse. Methods Randomization between busulfan and melphalan (BuMel) or standard chemotherapy (vincristine, dactinomycin, and ifosfamide [VAI], seven courses) was offered to patients if they were younger than 50 yea rs of age with poor histologic response (≥ 10% viable cells) after receiving vincristine, ifosfamide, doxorubicin, and etoposide (six courses); or had a tumor volume at diagnosis ≥ 200 mL if unresected, or initially resected, or resected after radiotherapy. A 15% improvement in 3-year event-free survival (EFS) was sought (hazard ratio [HR], 0.60). Results Between 2000 and 2015, 240 patients classified as high risk (median age, 17.1 years) were randomly assigned to VAI (n = 118) or BuMel (n = 122). Seventy-eight percent entered the trial because of poor histologic response after chemotherapy alone. Median follow-up was 7.8 years. In an intent-to-treat analysis, the risk of event was significantly decreased by BuMel compared with VAI: HR, 0.64 (95% CI, 0.43 to 0.95; P = .026); 3- and 8-year EFS were, respectively, 69.0% (95% CI, 60.2% to 76.6%) versus 56.7% (95% CI, 47.6% to 65.4%) and 60.7% (95% CI, 51.1% to 69.6%) versus 47.1% (95% CI, 37.7% to 56.8%). Overall survival (OS) also favored BuMel: HR, 0.63 (95% CI, 0.41 to 0.95; P = .028); 3- and 8-year OS were, respectively, 78.0% (95% CI, 69.6% to 84.5%) versus 72.2% (95% CI, 63.3% to 79.6%) and 64.5% (95% CI, 54.4% to 73.5%) versus 55.6% (95% CI, 45.8% to 65.1%). Results were consistent in the sensitivity analysis. Two patients died as a result of BuMel-related toxicity, one after standard chemotherapy. Significantly more BuMel patients experienced severe acute toxicities from this course of chemotherapy compared with multiple VAI courses. Conclusion BuMel improved EFS and OS when given after vincristine, ifosfamide, doxorubicin, and etoposide induction in localized ES with predefined high-risk factors. For this group of patients, BuMel may be an important addition to the standard of care.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2018.78.2516
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2018
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  • 3
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    Cyclophosphamide Compared With Ifosfamide in Consolidation Treatment of Standard-Risk Ewing Sarcoma: Results of the Randomized Noninferiority Euro-EWING99-R1 Trial
    American Society of Clinical Oncology (ASCO) ; 2014
    In:  Journal of Clinical Oncology Vol. 32, No. 23 ( 2014-08-10), p. 2440-2448
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 32, No. 23 ( 2014-08-10), p. 2440-2448
    Abstract: Relative efficacy and toxicity of cyclophosphamide compared with ifosfamide are debatable. The Euro-EWING99-R1 trial asked whether cyclophosphamide may replace ifosfamide in combination with vincristine and dactinomycin (vincristine, dactinomycin, and cyclophosphamide [VAC] v vincristine, dactinomycin, and ifosfamide [VAI] ) after an intensive induction chemotherapy containing vincristine, ifosfamide, doxorubicin, and etoposide (VIDE) in standard-risk localized disease (NCT00020566). Methods Standard-risk Ewing sarcomas were localized tumors with either a good histologic response to chemotherapy ( 〈 10% cells) or small tumors ( 〈 200 mL) resected at diagnosis or receiving radiotherapy alone as local treatment. Patients entered the trial after six VIDE+1 VAI courses. Allocated treatment was either 7 VAC courses with 1.5 g/m 2 of cyclophosphamide or seven VAI-courses with 6 g/m 2 ifosfamide. The limit of noninferiority was set at −8.5% for the 3-year event-free survival rate (EFS), equivalent to 1.43 in terms of the hazard ratio of event (HR event ). Results This large international trial recruited 856 patients between February 2000 and March 2010 (n = 431 receiving VAC and n = 425 receiving VAI). With a median follow-up of 5.9 years, the 3-year EFSs were 75.4% and 78.2%, respectively, the 3-year EFS difference was −2.8% (91.4% CI, −7.8 to 2.2%), the HR event was 1.12 (91.4% CI, 0.89 to 1.41), and the HR death was 1.09 (91.4% CI, 0.84 to 1.42; intention-to-treat). The HR event was 1.22 (91.4% CI, 0.96 to 1.54) on the per-protocol population. Major treatment modifications were significantly less frequent in the VAC arm ( 〈 1%) than in the VAI arm (7%), mainly resulting from toxicity. Patients experienced more frequent thrombocytopenia in the VAC arm (45% v 35%) but fewer grade 2 to 4 acute tubular toxicities (16% v 31%). Conclusion Cyclophosphamide may be able to replace ifosfamide in consolidation treatment of standard-risk Ewing sarcoma. However, some uncertainty surrounding the noninferiority of VAC compared with VAI remains at this stage. The ongoing comparative evaluation of long-term renal and gonadal toxicity is crucial to decisions regarding future patients.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2013.54.4833
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2014
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  • 4
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    Quality of Survivorship in a Rare Disease: Clinicofunctional Outcome and Physical Activity in an Observational Cohort Study of 618 Long-Term Survivors of Ewing Sarcoma
    American Society of Clinical Oncology (ASCO) ; 2017
    In:  Journal of Clinical Oncology Vol. 35, No. 15 ( 2017-05-20), p. 1704-1712
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 35, No. 15 ( 2017-05-20), p. 1704-1712
    Abstract: Significantly improved survival rates in patients with Ewing sarcoma have raised interest in accessing the quality of long-term survivorship. In this study, subjective and objective measurement tools, preclassified as physical or mental scores, were used to assess clinicofunctional outcome and physical activity after intensive bone tumor treatment. Methods Long-term outcome of 618 survivors from consecutive Ewing sarcoma trials was assessed by the Toronto Extremity Salvage Score, Short-Form Health Survey (SF-36), Brief Symptom Inventory (BSI), and Rosenberg Self-Esteem Scale questionnaires and by the accelerometric StepWatch 3 Activity Monitor. Prospective measurements were correlated retrospectively with standardized primary trial data. Results were compared with 316 nonrandom healthy peers by using effect sizes ( d). Median observation time was 12.9 years from primary diagnosis (range, 3.7 to 31.2 years). Results Absolute subjective scores were moderate to good for survivors. Compared with control subjects, unfavorable outcome was shown on physical Toronto Extremity Salvage Score, SF-36 Physical Component Summary, and BSI-Somatization scales (| d| ≥ 0.50; P 〈 .01), in contrast to SF-36 Mental Component Summary, BSI-Anxiety, BSI-Depression, and Rosenberg Self-Esteem Scale mental scales (| d| ≤ 0.31). Survivors were less active than control subjects, as demonstrated by a step count difference of 1,742 steps per day ( d = −0.43; P 〈 .01); however, on average, the recommended level for an active lifestyle was achieved (≥ 10,000 steps). Location of pelvic tumor was the major inferior disease-specific prognostic factor in physical scores ( P 〈 .01), whereas nondisease-specific inferior factors in questionnaires were older age and female sex ( P 〈 .01). Conclusion Survivors of Ewing sarcoma apparently returned to a normal life with minor limitations. Observed reductions in physical scores should be a focus in future research to optimize treatment strategies to reduce a negative impact on the quality of survivorship.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2016.70.6226
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2017
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  • 5
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    Primary and Metastatic Intracranial Ewing Sarcoma at Diagnosis: Retrospective International Study and Systematic Review
    MDPI AG ; 2020
    In:  Cancers Vol. 12, No. 6 ( 2020-06-24), p. 1675-
    Details
    In: Cancers, MDPI AG, Vol. 12, No. 6 ( 2020-06-24), p. 1675-
    Abstract: Intracranial Ewing sarcoma (EwS) is rare and publications on primary or metastatic intracranial EwS are minimal. The aim of this study was to describe incidence, clinical behavior, treatment, and factors associated with outcome in patients with primary intracranial EwS or patients with a primary extracranial EwS and cerebral metastases at diagnosis. We reviewed all patients with primary or with metastatic intracranial EwS at diagnosis registered in the International Clinical Trial Euro-E.W.I.N.G.99 (EE99). In total, 17 of 1435 patients (1.2%) presented with primary intracranial EwS; 3 of them had metastatic disease. Four patients (0.3%) with primary extracranial EwS presented with intracranial metastatic lesions. The 3-year event-free survival (EFS) was 64% and overall survival (OS) was 70% in patients with a primary intracranial EwS. Local control in patients with primary intracranial EwS consisted of surgery (6%), radiotherapy (RT) (18%), or both modalities (76%). Univariate analysis showed that patients 〈 15 years of age had significantly better outcome (EFS: 72%; OS: 76%) compared to those aged above 15 years (EFS: 13%; OS: 25%). In conclusion, primary intracranial EwS and extracranial EwS with cerebral metastases at diagnosis is rare, yet survival is comparable with local and metastatic EwS elsewhere in the body. Age and stage of disease are important prognostic factors. Besides chemotherapeutic treatment, local control with surgical resection combined with RT is recommended whenever feasible.
    Type of Medium: Online Resource
    ISSN: 2072-6694
    URL: Article
    DOI: 10.3390/cancers12061675
    Language: English
    Publisher: MDPI AG
    Publication Date: 2020
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  • 6
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    Primary Disseminated Multifocal Ewing Sarcoma: Results of the Euro-EWING 99 Trial
    American Society of Clinical Oncology (ASCO) ; 2010
    In:  Journal of Clinical Oncology Vol. 28, No. 20 ( 2010-07-10), p. 3284-3291
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 28, No. 20 ( 2010-07-10), p. 3284-3291
    Abstract: To improve the poor prognosis of patients with primary disseminated multifocal Ewing sarcomas (PDMES) with a dose-intense treatment concept. Patients and Methods From 1999 to 2005, 281 patients with PDMES were enrolled onto the Euro-EWING 99 R3 study. Median age was 16.2 years (range, 0.4 to 49 years). Recommended treatment consisted of six cycles of vincristine, ifosfamide, doxorubicin, and etoposide (VIDE), one cycle of vincristine, dactinomycin, and ifosfamide (VAI), local treatment (surgery and/or radiotherapy), and high-dose busulfan-melphalan followed by autologous stem-cell transplantation (HDT/SCT). Results After a median follow-up of 3.8 years, event-free survival (EFS) and overall survival (OS) at 3 years for all 281 patients were 27% ± 3% and 34% ± 4% respectively. Six VIDE cycles were completed by 250 patients (89%); 169 patients (60%) received HDT/SCT. The estimated 3-year EFS from the start of HDT/SCT was 45% for 46 children younger than 14 years. Cox regression analyses demonstrated increased risk at diagnosis for patients older than 14 years (hazard ratio [HR] = 1.6), a primary tumor volume more than 200 mL (HR = 1.8), more than one bone metastatic site (HR = 2.0), bone marrow metastases (HR = 1.6), and additional lung metastases (HR = 1.5). An up-front risk score based on these HR factors identified three groups with EFS rates of 50% for score ≤ 3 (82 patients), 25% for score more than 3 to less than 5 (102 patients), and 10% for score ≥ 5 (70 patients; P 〈 .0001). Conclusion PDMES patients may survive with intensive multimodal therapy. Age, tumor volume, and extent of metastatic spread are relevant risk factors. A score based on these factors may facilitate risk-adapted treatment approaches.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2009.22.9864
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2010
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  • 7
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    Ewing Sarcoma: Current Management and Future Approaches Through Collaboration
    American Society of Clinical Oncology (ASCO) ; 2015
    In:  Journal of Clinical Oncology Vol. 33, No. 27 ( 2015-09-20), p. 3036-3046
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 27 ( 2015-09-20), p. 3036-3046
    Abstract: Ewing sarcoma (ES) is an aggressive sarcoma of bone and soft tissue occurring at any age with a peak incidence in adolescents and young adults. The treatment of ES relies on a multidisciplinary approach, coupling risk-adapted intensive neoadjuvant and adjuvant chemotherapies with surgery and/or radiotherapy for control of the primary site and possible metastatic disease. The optimization of ES multimodality therapeutic strategies has resulted from the efforts of several national and international groups in Europe and North America and from cooperation between pediatric and medical oncologists. Successive first-line trials addressed the efficacy of various cyclic combinations of drugs incorporating doxorubicin, vincristine, cyclophosphamide, ifosfamide, etoposide, and dactinomycin and identified prognostic factors now used to tailor therapies. The role of high-dose chemotherapy is still debated. Current 5-year overall survival for patients with localized disease is 65% to 75%. Patients with metastases have a 5-year overall survival 〈 30%, except for those with isolated pulmonary metastasis (approximately 50%). Patients with recurrence have a dismal prognosis. The many insights into the biology of the EWS-FLI1 protein in the initiation and progression of ES remain to be translated into novel therapeutic strategies. Current options and future approaches will be discussed.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2014.59.5256
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
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  • 8
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    Prognostic factors for local control in Ewing sarcoma (ES) in the Euro-EWING99 trial.
    American Society of Clinical Oncology (ASCO) ; 2016
    In:  Journal of Clinical Oncology Vol. 34, No. 15_suppl ( 2016-05-20), p. 11026-11026
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 34, No. 15_suppl ( 2016-05-20), p. 11026-11026
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2016.34.15_suppl.11026
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2016
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  • 9
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    The relation of radiological tumor volume response to histological response and outcome in patients with localized Ewing Sarcoma
    Wiley ; 2019
    In:  Cancer Medicine Vol. 8, No. 3 ( 2019-03), p. 1086-1094
    Details
    In: Cancer Medicine, Wiley, Vol. 8, No. 3 ( 2019-03), p. 1086-1094
    Abstract: Magnetic resonance imaging ( MRI ) is the modality of choice for local staging and response evaluation of Ewing sarcoma (EwS). Aim of this study was to determine the relevance of tumor volume response ( TVR ) in relation to histological response (HisRes) and survival, in order to evaluate if early modification of chemotherapy might be indicated in patients with inadequate TVR . Methods Three dimensional (3D)‐tumor volume data at diagnosis, during early induction phase (1‐3 courses of chemotherapy; n = 195) and/or late induction phase (4‐6 courses; n = 175) from 241 localized patients were retrospectively analyzed. A distinction was made between adequate response (reduction ≥67%) and inadequate response (reduction 〈 67% or progression). Correlations between TVR , HisRes, event free survival ( EFS ), and overall survival ( OS ) were analyzed using chi‐square tests, log‐rank tests, and the Cox‐regression model. Results Early adequate TVR , noted in 41% of patients, did not correlate with EFS ( P  = 0.92) or OS ( P  = 0.38). During late induction phase 62% of patients showed an adequate TVR . EFS for patients with late adequate TVR was better (78%) than for those with inadequate late TVR (61%) ( P  = 0.01); OS was 80% and 69% ( P  = 0.26), respectively. No correlation was found between TVR and HisRes. Multivariate analysis showed that poor HisRes, pelvic location and late inadequate TVR were associated with poor outcome. Conclusions Early inadequate TVR does not predict adverse outcome; therefore, changing the treatment to second line chemotherapy is not indicated in case of inadequate early TVR. Late adequate TVR and good HisRes correlate with better EFS ; patients with late inadequate TVR might benefit from augmented therapy.
    Type of Medium: Online Resource
    ISSN: 2045-7634 , 2045-7634
    URL: Issue
    URL: Article
    DOI: 10.1002/cam4.2019.8.issue-3
    DOI: 10.1002/cam4.2002
    Language: English
    Publisher: Wiley
    Publication Date: 2019
    detail.hit.zdb_id: 2659751-2
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  • 10
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    Ewing Sarcoma as Secondary Malignant Neoplasm—Epidemiological and Clinical Analysis of an International Trial Registry
    MDPI AG ; 2022
    In:  Cancers Vol. 14, No. 23 ( 2022-11-30), p. 5935-
    Details
    In: Cancers, MDPI AG, Vol. 14, No. 23 ( 2022-11-30), p. 5935-
    Abstract: Ewing sarcoma (EwS) is the second most common bone and soft tissue tumor, affecting primarily adolescents and young adults. Patients with secondary EwS are excluded from risk stratification in several studies and therefore do not benefit from new therapies. More knowledge about patients with EwS as secondary malignant neoplasms (SMN) is needed to identify at-risk patients and adapt follow-up strategies. Epidemiology, clinical characteristics, and survival analyses of EwS as SMN were analyzed in 3844 patients treated in the last three consecutive international EwS trials, EICESS 92, Euro-E.W.I.N.G. 99, and EWING 2008. Forty-two cases of EwS as SMN (approximately 1.1% of all patients) were reported, preceded by a heterogeneous group of malignancies, mainly acute lymphoblastic leukemias (n = 7) and lymphomas (n = 7). Three cases of EwS as SMN occurred in the presumed radiation field of the primary tumor. The median age at diagnosis of EwS as SMN was 19.4 years (range, 5.9–72) compared with 10.8 years (range, 0.9–51.2) for primary EwS. The median interval between first malignancy and EwS diagnosis was 7.4 years. The 3-year overall survival (OS)/event-free survival (EFS) was 0.69 (SE = 0.09)/0.53 (SE = 0.10) for localized patients and 0.36 (SE = 0.13)/0.29 (SE = 0.12) for metastatic patients (OS: p = 0.02; EFS: p = 0.03). Survival in patients with EwS as SMN did not differ between hematologic or solid primary malignancies. EwS as SMN is rare; however, survival is similar to that of primary EwS, and its risk-adjusted treatment should be curative, especially in localized patients.
    Type of Medium: Online Resource
    ISSN: 2072-6694
    URL: Article
    DOI: 10.3390/cancers14235935
    Language: English
    Publisher: MDPI AG
    Publication Date: 2022
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