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  • Oxford University Press (OUP)  (14)
  • Zhou, Zhaoming  (14)
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  • Oxford University Press (OUP)  (14)
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  • 1
    Online Resource
    Online Resource
    DIPG-26. THERAPEUTIC EFFECTS OF RADIOTHERAPY WITH CONCOMITANT AND ADJUVANT TEMOZOLOMIDE VERSUS RADIOTHERAPY WITH CONCOMITANT TEMOZOLOMIDE ALONE IN CHILDREN WITH DIPG: A SINGLE-CENTER EXPERIENCE WITH 82 CASES
    Oxford University Press (OUP) ; 2020
    In:  Neuro-Oncology Vol. 22, No. Supplement_3 ( 2020-12-04), p. iii292-iii292
    Details
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 22, No. Supplement_3 ( 2020-12-04), p. iii292-iii292
    Abstract: To retrospectively analyze the therapeutic effects of radiotherapy with concomitant and adjuvant temozolomide versus radiotherapy with concomitant temozolomide alone for pediatric diffuse intrinsic pontine glioma (DIPG), and to evaluate the value of temozolomide in the treatment of pediatric DIPG. METHODS The clinical data of children with confirmed DIPG in Guangdong Sanjiu Brain Hospital between January 1, 2010 and December 30, 2019 were collected. The inclusive criteria included (1) receiving a total radiotherapy dose of 54 Gy in 27 fractions, (2) treated with concomitant temozolomide chemotherapy, and (3) with or without adjuvant temozolomide chemotherapy. RESULTS A total of 82 pediatric patients were eligible for the study, with a median age of 7 years (range 2–16 years). The median follow-up was 8.6 months (range 2–28 months) and the median survival time was 9.4 months. The median survival time of 66 patients treated with radiotherapy with concomitant and adjuvant temozolomide was 9.8 months, longer than 7.5 months of the other 16 patients treated with radiotherapy with concomitant temozolomide alone, with statistical differences (P=0.010). Moreover, bevacizumab and nimotuzumab didn’t bring survival benefits to patients with disease recurrence or progression. Hematological toxicity (Grade IV) was not found. CONCLUSION Radiotherapy with concomitant and adjuvant temozolomide prolongs the survival time of children with DIPG.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    URL: Article
    DOI: 10.1093/neuonc/noaa222.075
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
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  • 2
    Online Resource
    Online Resource
    RARE-20. ANALYSIS OF CLINICAL FEATURES ON DEATH FROM INTRACRANIAL GERM CELL TUMORS (GCTS): ARETROSPECTIVE COHORT STUDY
    Oxford University Press (OUP) ; 2019
    In:  Neuro-Oncology Vol. 21, No. Supplement_6 ( 2019-11-11), p. vi225-vi225
    Details
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 21, No. Supplement_6 ( 2019-11-11), p. vi225-vi225
    Abstract: The present study aimed to investigate the clinical features associating with intracranial germ cell tumors(GCTs) of poor prognosis. METHODS We retrospectively analyzed the death data cohort based on 47 patients (30 males and 17 females) who had been diagnosed with GCTs between 2005 and 2018 in our hospital. The median age at initial diagnosis was 16 years (range, 3¬60 years). Among those, 18 patients were germinoma and 29 patients were non¬seminomatous germ-cell tumors (NGGCTs). RESULTS According to Kaplan-Meier survival analysis, children aged ≤ 10 years were observed with a very short survival compared to patients aged 〉 10 years, indicating a 5-year survival rate of 0 and 50%, respectively (P 〈 0.001). To be more specific, disseminated tumors were found to be the most prominent factor for prognosis in children aged ≤ 10 years: the 1-year survival for MR positive versus MR negative of disseminated tumors were 0 and 62.5%, respectively (P 〈 0.05). On the other hand, the pre¬treatment serum alpha-fetoprotein (AFP) level was found to be an important surrogate for prognosis. In the subgroup of patients 〉 10 years, the 5-year survival for AFP 〉 1.5ng/ml was 25%, in comparison to 66% for AFP ≤ 1.5ng/ml (P 〈 0.05). Further, solid survival advantages were found in patients received stereotactic radiosurgery (SRS) compared to none. The 5¬year survival for SRS versus non-SRS patients were 62% and 29%, respectively (P 〈 0.05). CONCLUSION Our data highlights a number of critical factors that may facilitate the prognosis stratifications of GCTs. What’s more, neither the locations of the primary tumors nor the numbers of lesions are associated with the prognosis of GCTs. These results warrant further investigation via randomized prospective studies.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    URL: Article
    DOI: 10.1093/neuonc/noz175.943
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
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  • 3
    Online Resource
    Online Resource
    CTNI-36. TREATMENT AND PROGNOSTIC FACTORS FOR PEDIATRIC GLIOBLASTOMAS--THE 10 YEARS EXPERIENCE FROM ONE SINGLE CENTER
    Oxford University Press (OUP) ; 2020
    In:  Neuro-Oncology Vol. 22, No. Supplement_2 ( 2020-11-09), p. ii50-ii50
    Details
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 22, No. Supplement_2 ( 2020-11-09), p. ii50-ii50
    Abstract: We retrospectively analyzed the clinical features of pediatric glioblastoma patients in our center in the past 10 years. METHODS From November 2009 to December 2018, patients with glioblastoma under 18 years were admitted to Guangdong Sanjiu Brain Hospital. Clinical and pathological features were summarized, and the curative effect was evaluated. RESULTS A total of 31 pediatric patients were enrolled. The median age is 13.8 years (range 0.8–18), including 19 males and 12 females. To Sep, 2019, the median follow-up time was 18 months(Range 4–80 months). Among them, 2 were lost to follow-up, 13 died, 16 still survived, and the longest survivor survived for 80 months. The median survival time was 16.4 months, the 2-year survival rate was 38%. In the prognostic factor analysis, the median survival time of patients with surgical resection ≥90% was 18 months (95% CI 15.9–20 months), and for children with resection 90% was 11 months (95% CI 9.9–12 months), P=0.027, with significantly statistically difference. Multivariate analysis showed that tumor resection rate was an independent prognostic factor for survival. CONCLUSION The prognosis of pediatric glioblastoma is still dismal. This study demonstrates that prognosis of such patients with GTR or near GTR is better.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    URL: Article
    DOI: 10.1093/neuonc/noaa215.203
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
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  • 4
    Online Resource
    Online Resource
    GCT-26. PROGNOSTIC FACTORS IN PATIENTS WITH BASAL GANGLIA GERM-CELL TUMORS: A RETROSPECTIVE ANALYSIS OF THE SINGLE CHINESE INSTITUTE EXPERIENCE FROM 2009 TO 2019
    Oxford University Press (OUP) ; 2020
    In:  Neuro-Oncology Vol. 22, No. Supplement_3 ( 2020-12-04), p. iii333-iii333
    Details
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 22, No. Supplement_3 ( 2020-12-04), p. iii333-iii333
    Abstract: To evaluate the clinical factors related to the prognosis of basal ganglia germ cell tumors. METHODS A retrospective analysis of 52 cases of the basal ganglia germ cell tumors treated from January 2009 to January 2019 in the department of oncology of Guangdong Sanjiu Brain Hospital. The median age: 12 years (range: 5–32), The median course of disease: 11.7 months (range: 1–54). Thirteen cases were diagnosed by biopsy and 39 cases were diagnosed by elevated tumor markers. There were 31 patients (59.6%) diagnosed with germinomas and 21 patients (40.4%) with non-germ germ cell tumors. Univariate and multivariate survival analysis was performed. RESULTS To October 15, 2019, the median follow-up time was 30.4 months (range 2–124 months). The 5-year survival rate was 85%, and the 5-year progression-free survival rate was 84%. Multivariate analysis found whether serum AFP was greater than 100mIU / ml, (with HR: 11.441,95% CI: 2.09–47.66, P = 0.005),the degree of surgical resection(with HR 5.323 (1.19–23.812), P = 0.029), PD as the effect of radiotherapy (HR: 16.53, (1.19–23.81), P = 0.001) were independent prognostic factor affecting survival. CONCLUSION The pathological type, degree of surgical resection, and response to initial treatment can all affect survival.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    URL: Article
    DOI: 10.1093/neuonc/noaa222.246
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
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  • 5
    Online Resource
    Online Resource
    Bone metastases in an adult patient with diffuse midline glioma: a case report
    Oxford University Press (OUP) ; 2021
    In:  Neuro-Oncology Advances Vol. 3, No. 1 ( 2021-01-01)
    Details
    In: Neuro-Oncology Advances, Oxford University Press (OUP), Vol. 3, No. 1 ( 2021-01-01)
    Type of Medium: Online Resource
    ISSN: 2632-2498
    URL: Article
    DOI: 10.1093/noajnl/vdaa156
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2021
    detail.hit.zdb_id: 3009682-0
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  • 6
    Online Resource
    Online Resource
    RARE-56. RECURRENCE PATTERN AND SURVIVAL FOR RELAPSED INTRACRANIAL NON-GERMINOMATOUS GERM CELL TUMORS: A SINGLE-INSTITUTION EXPERIENCE
    Oxford University Press (OUP) ; 2019
    In:  Neuro-Oncology Vol. 21, No. Supplement_6 ( 2019-11-11), p. vi233-vi233
    Details
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 21, No. Supplement_6 ( 2019-11-11), p. vi233-vi233
    Abstract: Intracranial non-germinomatous germ cell tumors (NGGCTs) have lower overall survival than germinoma because higher recurrence usually occurs after first line therapy in NGGCTs. METHODS Between January 2003 and December 2017, 23 patients with clinically or pathologically diagnosed recurrent NGGCTs after first line therapy were reviewed at our institution. Data of first line treatment, salvage treatment, clinicopathological features and survival were collected and analyzed. RESULTS First line therapy including craniospinal irradiation (CSI) in 15 patients, surgery in 3 patients, Gamma knife in 2 patients, chemotherapy in 2 patients and whole brain radiotherapy (WBRT) in 1 patient. The median time to recurrence was 13.8 months (5.8 to 89.2). With reference to the distribution of relapsed lesions, there were 8 patients within the primary site, 6 with distant intracranially, 1 ventricularly, 5 in spinal cords, 1 with dual sites in both primary site and intracranially, and 1 patient evidenced only serologically positive. Three patients did not receive further treatment and was lost during follow-up. Of the other patients, 16 patients received salvage chemotherapy with or without surgery, 4 received CSI or radiosurgery. After median follow up of 54 months, 7 patients died of disease progression. The 4-year overall survival rate after recurrence was 55.4%. CONCLUSION Protracted follow-up is recommended because late recurrence is not uncommon. Primary tumor site and distant intracranial are the most prevalent relapsed location. Patients who relapsed could benefited from salvage chemotherapy.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    URL: Article
    DOI: 10.1093/neuonc/noz175.974
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
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  • 7
    Online Resource
    Online Resource
    EPID-15. AGE AND DOSIMETRIC IMPACTS ON RADIOTHERAPY ASSOCIATED GROWTH IMPAIRMENT FOR PATIENTS WITH INTRACRANIAL GERM CELL TUMORS (GCTs)
    Oxford University Press (OUP) ; 2021
    In:  Neuro-Oncology Vol. 23, No. Supplement_6 ( 2021-11-12), p. vi89-vi89
    Details
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 23, No. Supplement_6 ( 2021-11-12), p. vi89-vi89
    Abstract: Intracranial germ cell tumors (GCTs) are rare pediatric central nervous system (CNS) tumors. Growth impairment induced by radiation treatments was rarely evaluated. We aimed to study the impacts of radiotherapy on height development and identify the dosimetric constraints. MATERIALS AND METHODS A total of 148 pediatric patients diagnosed with GCTs were retrospectively analyzed. Sex, age at irradiation, physical doses and biologically effective dose (BED), height, and endocrine status were obtained from patient records. The cumulative change in height was assessed using age-matched normalized height (ANH). Variables were assessed for correlations and statistical significance. RESULTS Cumulative physical doses and BEDs for the whole brain and pituitary were derived via DVHs and BEDVHs. In contrast to patients & gt;11.5 yr, linear correlations between ANH and cumulative physical doses as well as BEDs to the whole brain and pituitary were identified in patients≤11.5 yr. Dosimetric constrains to the pituitary was 36 Gy for physical dose (AUC=0.70 [95% CI, 0.54-0.86], P & lt; 0.05) and 63 Gy2 BED (AUC=0.69 [95% CI, 0.53-0.86], P & lt; 0.05). Intriguingly, no significant differences in ANH were found among different CSI dose groups in patients ≤11.5 yr. (all P & gt;0.05). Impaired hormone secretions in terms of GH and TSH were identified following cranial irradiation (both P & lt; 0.001), particularly for those with tumors at the suprasellar region (GH: P & lt; 0.01, TSH: P & lt; 0.001). CONCLUSION Our study revealed the impacts of age, dosimetrics and tumor locations for growth impairment. This study will contribute to the optimization of radiation treatment planning and facilitate more individualized therapeutic strategies in pediatric patient with GCTs.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    URL: Article
    DOI: 10.1093/neuonc/noab196.348
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2021
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  • 8
    Online Resource
    Online Resource
    RTHP-31. EMERGENCY RADIOTHERAPY IN INTRACRANIAL GERM CELL TUMORS (GCTS) PATIENTS WITH KPS≤ 40: ARETROSPECTIVE ANALYSIS OF 27 CASES
    Oxford University Press (OUP) ; 2019
    In:  Neuro-Oncology Vol. 21, No. Supplement_6 ( 2019-11-11), p. vi216-vi216
    Details
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 21, No. Supplement_6 ( 2019-11-11), p. vi216-vi216
    Abstract: To evaluate the potential role of emergency radiotherapy in intracranial germ cell tumors GCTs) patients with KPS ≤ 40. METHODS A total of 27 primary intracranial germ cell tumors (GCTs) patients with KPS ≤ 40 between Jan 2007 and Dec 2018 were retrospectively evaluated. The median age at initial diagnosis was 15 years (range, 528 years). Among those, 11 patients were germinoma and 16 patients were nonseminomatous germ-cell tumors (NGGCTs). There were 9 solitary pineal, 5 suprasellar, 3 basal ganglia and 10 multifocal and disseminated tumors. All patients received emergency radiotherapy (2 Gy/fx/d). Prior to radiotherapy, 11 patients were manifested with hydrocephalus, 10 with hypopituitarism and 5 with intracranial tumo apoplexy. RESULTS The average follow up time was 44.4 months. The 5 year progression free survival rate and overall survival rate were 29.6% and 33.3%. The median overall survival time was 38 months. In particular, the median intracranial hypertension symptoms relief time was 2 days. The median KPS following radiotherapy was 80 comparing to 30 prior to radiotherapy (P 〈 0.05). A significant improvement on KPS of 46.7±27.3 was observed in this study. CONCLUSION Emergency radiotherapy is implicated as a promising intervention for GCTs patients with elevated intracranial pressure (ICP). These advantages can be interpreted as direct cell killing effect and fast tumor shrinkage by ionizing radiation. However, to substantiate our findings, further investigations were highly warranted.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    URL: Article
    DOI: 10.1093/neuonc/noz175.902
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
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  • 9
    Online Resource
    Online Resource
    CTNI-60. NEOAJUVANT CHEMOTHERAPY FOLLOWED BY CRANIOSPINAL IRRADIATION FOR INTRACRANIAL NGGCTS: CLINICAL OUTCOMES AND AGE-STRATIFIED TOXICITIES IN A COHORT OF 111 PATIENTS
    Oxford University Press (OUP) ; 2020
    In:  Neuro-Oncology Vol. 22, No. Supplement_2 ( 2020-11-09), p. ii56-ii56
    Details
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 22, No. Supplement_2 ( 2020-11-09), p. ii56-ii56
    Abstract: Intracranial non-germinomatous germ cell tumors (NGGCTs) are rare tumors with limited studies available worldwide. Despite significantly improved survivals, there are still approximately 30% of patients experience relapse and require salvage treatment. This study aimed to access the clinical-pathological features and prognostic factors with specific interests to recurrence as well as adverse effects. METHODS From June 2005 and December 2018, 111 consecutive intracranial NGGCTs patients (87 localized stage and 24 metastatic stage) diagnosed based on histological confirmation, or alternatively by clinical presentation, radiological outcomes and elevated tumor markers were retrospectively analyzed. RESULTS After a median follow-up of 46.2 months, Three- and five- year OS were 83.5% ± 3.9% and 78.6% ± 5.1%, respectively. Three- and five- year EFS were 71.0% ± 4.8% and 64.7% ± 5.7%, respectively. Patients received craniospinal irradiation (CSI) integrated combined treatment yielded superior 3-year OS (P=0.007), EFS (P=0.002), and relapse rate (P=0.004) compared to those without CSI. A combination of minimum 4 cycles of induction chemotherapy and CSI integrated approach was the independent prognostic factor (P=0.007) conferring favorable 3-year OS and EFS of 93.9%±3.5% and 84.0%±5.4%, respectively. Poor prognosis of histological subtypes were particularly benefit from this treatment modality (P & lt; 0.001). Age-thresholds for risking therapy-related thrombocytopenia and growth impairment by ROC analysis were 14 (AUC=0.752, P & lt; 0.0001) and 11.5 (AUC=0.806, P & lt; 0.01) yr., respectively. CONCLUSIONS Our study suggested that multimodal approach consisting of ≥4 cycles of induction chemotherapy and CSI plus focal boost with or without second-look surgery was recommended for NGGCTs. However, CSI should be used with caution when patients & lt; 11.5-yr due to growth impairment. More precise risk stratifications are highly demanded for delivery of the most appropriate management in the future.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    URL: Article
    DOI: 10.1093/neuonc/noaa215.226
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
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  • 10
    Online Resource
    Online Resource
    GCT-28. RECURRENCE PATTERN AND SURVIVAL FOR RELAPSED INTRACRANIAL NON-GERMINOMATOUS GERM CELL TUMORS: A SINGLE-INSTITUTION EXPERIENCE
    Oxford University Press (OUP) ; 2020
    In:  Neuro-Oncology Vol. 22, No. Supplement_3 ( 2020-12-04), p. iii333-iii333
    Details
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 22, No. Supplement_3 ( 2020-12-04), p. iii333-iii333
    Abstract: Intracranial non-germinomatous germ cell tumors (NGGCTs) have lower overall survival than germinoma because relatively higher recurrence usually occurs after first line therapy. METHODS Between January 2003 and December 2018, 111 consecutive patients diagnosed with NGGCTs reviewed. Those who progressed after first line therapy were included in this study. Data of first line treatment, salvage treatment, clinicopathological features and survival were collected and analyzed. RESULTS Totally, thirty patients (30/111, 27.0%) relapsed in our cohort, including 19 patients with accurate relapse information detail, and 11 patients who died of disease progression during follow up but without exact time and site of relapse. The median OS from diagnosis of the disease was 49.2 months (95% CI: 14.1 to 84.3 months) and 3-year OS was 54.3%. Patients who received both CSI and chemotherapy relapsed less than those who received reduced volume of radiotherapy or only CSI or only chemotherapy (22.5% vs. 45.5%, p=0.034). Of 19 patients who had detail information of recurrence time and site, the median time from diagnosis of disease to relapse was 9.5 months (2.2 to 72.1 months). Regarding to recurrence site, most patients relapsed in primary site (10/19, 52.6%) or distant intracranial (6/19, 31.6%). The recurrence site of other 3 patients were spinal (n=1), ventricular (n=1) and peritoneal (n=1). CONCLUSION Protracted follow-up is recommended because late recurrence is not uncommon. Primary tumor site and distant intracranial are the most prevalent relapsed location. Patients who relapsed could benefited from both CSI and salvage chemotherapy.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    URL: Article
    DOI: 10.1093/neuonc/noaa222.248
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
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