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- Alcorn, Sara, et al.
(författare)
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Practice Patterns of Stereotactic Radiotherapy in Pediatrics : Results From an International Pediatric Research Consortium
- 2018
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Ingår i: Journal of pediatric hematology/oncology (Print). - : Lippincott Williams & Wilkins. - 1077-4114 .- 1536-3678. ; 40:7, s. 522-526
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Tidskriftsartikel (refereegranskat)abstract
- Purpose/Objectives: There is little consensus regarding the application of stereotactic radiotherapy (SRT) in pediatrics. We evaluated patterns of pediatric SRT practice through an international research consortium. Materials and Methods: Eight international institutions with pediatric expertise completed a 124-item survey evaluating patterns of SRT use for patients 21 years old and younger. Frequencies of SRT use and median margins applied with and without SRT were evaluated. Results: Across institutions, 75% reported utilizing SRT in pediatrics. SRT was used in 22% of brain, 18% of spine, 16% of other bone, 16% of head and neck, and <1% of abdomen/pelvis, lung, and liver cases across sites. Of the hypofractionated SRT cases, 42% were delivered with definitive intent. Median gross tumor volume to planning target volume margins for SRT versus non-SRT plans were 0.2 versus 1.4 cm for brain, 0.3 versus 1.5 cm for spine/other bone, 0.3 versus 2.0 cm for abdomen/pelvis, 0.7 versus 1.5 cm for head and neck, 0.5 versus 1.7 cm for lung, and 0.5 versus 2.0 cm for liver sites. Conclusions: SRT is commonly utilized in pediatrics across a range of treatment sites. Margins used for SRT were substantially smaller than for non-SRT planning, highlighting the utility of this approach in reducing treatment volumes.
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- Björklund, Elisabet, et al.
(författare)
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Quality control of flow cytometry data analysis for evaluation of minimal residual disease in bone marrow from acute leukemia patients during treatment.
- 2009
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Ingår i: Journal of pediatric hematology/oncology : official journal of the American Society of Pediatric Hematology/Oncology. - : Lippincott Williams & Wilkins. - 1536-3678 .- 1077-4114. ; 31:6, s. 406-15
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Tidskriftsartikel (refereegranskat)abstract
- Low levels of leukemia cells in the bone marrow, minimal residual disease (MRD), are considered to be a powerful indicator of treatment response in acute lymphatic leukemia (ALL). A Nordic quality assurance program, aimed on standardization of the flow cytometry MRD analysis, has been established before implementation of MRD at cutoff level 10 as one of stratifying parameters in next Nordic Society of Pediatric Hematology and Oncology (NOPHO) treatment program for ALL. In 4 quality control (QC) rounds 15 laboratories determined the MRD levels in 48 follow-up samples from 12 ALL patients treated according to NOPHO 2000. Analysis procedures were standardized. For each QC round a compact disc containing data in list-mode files was sent out and results were submitted to a central laboratory. At cutoff level 10, which will be applied for clinical decisions, laboratories obtained a high concordance (91.6%). If cutoff level 10 was applied, the concordance would be lower (85.3%). The continuing standardization resulted in better concordance in QC3 and QC4 compared with QC1 and QC2. The concordance was higher in precursor B as compared with T-cell ALL. We conclude that after standardization, flow cytometry MRD detection can be reliably applied in international, multicenter treatment protocols.
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- Boman, Krister K, et al.
(författare)
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Life after cancer in childhood : social adjustment and educational and vocational status of young-adult survivors
- 2004
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Ingår i: Journal of pediatric hematology/oncology (Print). - : Ovid Technologies (Wolters Kluwer Health). - 1077-4114 .- 1536-3678. ; 26:6, s. 354-62
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: To evaluate the long-term social effect of illness and its treatment on young-adult survivors of pediatric cancer by addressing a selection of general social adjustment criteria.METHODS: In a cross-sectional case-control study, 30 young-adult survivors of childhood cancer were compared with (1). controls with no history of serious illness, matched by sex, age, and geographic area of residence, and (2). general population norms on the subject of educational and vocational factors, habitation, family/partner relationships, parenthood, and leisure activities.RESULTS: The educational status of survivors was similar to that of controls, although a smaller proportion of the patients expressed concrete plans for future vocational or educational advancement. Survivors had less frequently entered higher education compared with general population norms. A longer duration of treatment was related to a lower estimated socioeconomic level, and poor psychological coping with the illness experience was associated with the fact that they were still living with their parents, a shorter education, and a lower socioeconomic level.CONCLUSIONS: The social, vocational, and educational adjustment of relapse-free survivors from childhood cancer appears as only moderately, if at all, negatively affected by the illness and treatment history. However, the treatment intensity and particularly the survivors' coping with their illness experience may influence their ability to achieve long-term social goals. These findings suggest that special attention should be given to matters concerning education and partner relationships at long-term follow-up of pediatric cancer patients.
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| 7. |
- Borgstedt-Bendixen, Sofie E., et al.
(författare)
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Abdominal Complications During Treatment for Pediatric Acute Myeloid Leukemia
- 2022
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Ingår i: Journal of Pediatric Hematology/Oncology. - : Ovid Technologies (Wolters Kluwer Health). - 1077-4114 .- 1536-3678. ; 44:5, s. 220-229
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Tidskriftsartikel (refereegranskat)abstract
- Acute myeloid leukemia (AML) accounts for 15% to 20% of childhood leukemias. Because of high-intensive therapy, up to 5% of patients suffer from treatment-related mortality (TRM). Abdominal complications are frequent, however, literature on this subject is sparse. We aimed to characterize severe abdominal pain (AP) and hyperbilirubinemia experienced by pediatric AML patients treated according to the Nordic Society of Pediatric Hematology and Oncology (NOPHO)-AML 2004 protocol (n=313). Patients were censored at hematopoietic stem cell transplantation and relapse. Toxicity information was collected prospectively. Additional information was requested retrospectively from the treating centers. Sixteen episodes of hyperbilirubinemia and 107 episodes of AP were reported. The treating centers deemed infection (30%) and typhlitis (18%) as the most frequent causes of AP. Six patients developed appendicitis (2%). Patients experiencing concurrent AP and sepsis had a high risk of TRM (36%, n=4). Eighty percent of episodes with hyperbilirubinemia fulfilled the European Society for Bone and Marrow Transplantation criteria for sinusoidal obstruction syndrome. In conclusion, abdominal complications were frequent with infection considered the predominate cause. Most patients with hyperbilirubinemia fulfilled the criteria for sinusoidal obstruction syndrome. AML treatment might be associated with appendicitis. Patients suffering from concurrent AP and sepsis had a high risk of TRM indicating that high awareness of abdominal complications is essential to reduce mortality, especially during sepsis.
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| 8. |
- Burgu, Berk, et al.
(författare)
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An unusual cause of infantile gynecomastia: sertoli cell tumor.
- 2011
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Ingår i: Journal of pediatric hematology/oncology. - 1536-3678. ; 33:3, s. 238-40
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Tidskriftsartikel (refereegranskat)abstract
- Prepubertal testicular masses are relatively rare. Sertoli cell tumors account for 2% of prepubertal testicular tumors and very few have occurred in the first decade of life. Gynecomastia can be seen in approximately 5% of patients with testicular mass. We present an 8-month-old boy admitted with bilateral gynecomastia and unilateral testicular mass.
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