1. Articles in category: Diagnosis and Detection

    1-24 of 58 1 2 3 »
    1. RT-qPCR for PHOX2B mRNA is a highly specific and sensitive method to assess neuroblastoma minimal residual disease in testicular tissue.

      RT-qPCR for PHOX2B mRNA is a highly specific and sensitive method to assess neuroblastoma minimal residual disease in testicular tissue.

      Oncol Lett. 2017 Jul;14(1):860-866

      Authors: Gr├Ęze V, Kanold J, Chambon F, Halle P, Gremeau AS, Rives N, Rouel N, Pereira B, Tchirkov A, Brugnon F

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      Mentions: PHOX2B
    2. New biomarker assay detects neuroblastoma with greater sensitivity

      Investigators have developed and tested a new biomarker assay for quantifying disease and detecting the presence of neuroblastoma even when standard evaluations yield negative results for the disease. Researchers provide the first systematic comparison of standard imaging evaluations versus the new assay that screens for five different neuroblastoma-associated genes and determine that the new assay improves disease assessment and provides prediction of disease progression.

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      Mentions: NANT Imaging MIBG
    3. New biomarker assay detects neuroblastoma with greater sensitivity

      New biomarker assay detects neuroblastoma with greater sensitivity

      ( Children's Hospital Los Angeles ) Investigators at The Saban Research Institute of Children's Hospital Los Angeles have developed and tested a new biomarker assay for quantifying disease and detecting the presence of neuroblastoma even when standard evaluations yield negative results for the disease.

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      Mentions: NANT MIBG
    4. Unusual Presentation of Relapse in Neuroblastoma: Pancreatic Metastases Detected by 123I-MIBG Scintigraphy.

      "Neuroblastoma is the most common extracranial solid tumor in children and accounts for 8% to 10% of all childhood cancers. The spread of metastases is both lymphatic and hematogenous. Hematogenous route occurs most commonly in bone marrow and cortical bone; pancreatic metastases are very rare, and there are few reports about this topic in medical literature. We report the case of a 14-year-old boy who suffers a third relapse of neuroblastoma: in this patient I-MIBG confirms that lesions detected by CT were due to a relapse in pancreatic tissue and influenced subsequent therapeutic management."

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      Mentions: Relapse MIBG
    5. An Evidence-based Recommendation for a Standardized Approach to Detecting Metastatic Neuroblastoma in Staging Bone Marrow Biopsies.

      An Evidence-based Recommendation for a Standardized Approach to Detecting Metastatic Neuroblastoma in Staging Bone Marrow Biopsies.

      Pediatr Dev Pathol. 2017 Jan-Feb;20(1):38-43

      Authors: Parsons LN, Gheorghe G, Yan K, Simpson P, Jarzembowski JA

      Abstract Neuroblastoma is a common malignant tumor of childhood. Accurate bone marrow (BM) evaluation for metastatic tumor is essential; however, no standardized pathologic workup exists for staging BMs.

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      Mentions: Staging Bone Marrow
    6. New assay shows promise to advance personalized therapy for cancer patients

      New assay shows promise to advance personalized therapy for cancer patients

      ( Elsevier Health Sciences ) The National Cancer Institute's NCI-MATCH (Molecular Analysis for Therapy Choice) is a large, ongoing clinical trial that matches tumors to therapies based on the tumor's genetic characteristics. A report in The Journal of Molecular Diagnostics confirms that the assay tailored for this trial is highly sensitive for detecting genetic mutations from a variety of tumor tissue and, for the first time, has been reproduced with accuracy by multiple clinical laboratories, laying the groundwork for future clinical utility.

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      Mentions: Diagnostics
    7. Neuroblastoma: A spectrum of cells isolated from bone marrow of patients.

      "Flow cytometry can detect neuroblastoma cells as low as 0.001% within the heparinized samples and used to characterize the cultured cells. Cell culture showed a spectrum of neuronal morphology. Neurospheres express lower levels of GD2, TrkB, and CD56 compared to adherent neuroblastoma (consistent results were obtained using flow cytometry, immunofluoresence, immunohistochemistry, and mRNA expression analysis). Tumorigenicity was confirmed using mice injected subcutaneously with patient neurospheres tumors were present at the injection site and metastasized. Bone marrow aspirates of patients with neuroblastoma can be analyzed for the presence of neuroblastoma initiating cells which can be further characterized. This may play ...

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      Mentions: Bone Marrow
    8. Patterns of Diagnosis and Misdiagnosis in Pediatric Cancer and Relationship to Survival.

      "The median time from symptom onset to diagnosis was shortest for leukemia (18.5 d) and longest for bone tumors (86.5 d). Tumor type was the only factor associated with time to diagnosis. In 52% of cases an incorrect nononcological diagnosis was initially made. Soft tissue sarcomas and brain tumors were misdiagnosed most often. Neither prolonged time to diagnosis nor initial misdiagnosis was associated with reduced survival. Tumor type and presence of metastatic disease at diagnosis were significantly associated with survival."

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    9. Early detection of tumor relapse/regrowth by consecutive minimal residual disease monitoring in high-risk neuroblastoma patients.

      "The present study reports two high-risk neuroblastoma patients, whose MRD was consecutively monitored using 11 RT-qPCR markers (CHRNA3, CRMP1, DBH, DCX, DDC, GABRB3, GAP43, ISL1, KIF1A, PHOX2B and TH) during their course of treatment. The two patients initially responded to the induction therapy and reached MRD-negative status. The patients' MRD subsequently became positive with no elevation of their urinary homovanillic acid, urinary vanillylmandelic acid and serum neuron-specific enolase levels at 13 or 19 weeks prior to the clinical diagnosis of tumor relapse or regrowth. The present cases highlight the possibility of consecutive MRD monitoring using 11 markers to enable an ...

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      Mentions: Relapse PHOX2B
    10. Differential expression of minimal residual disease markers in peripheral blood and bone marrow samples from high-risk neuroblastoma patients.

      Differential expression of minimal residual disease markers in peripheral blood and bone marrow samples from high-risk neuroblastoma patients.

      Oncol Lett. 2015 Nov;10(5):3228-3232

      Authors: Yamamoto N, Kozaki A, Hartomo TB, Yanai T, Hasegawa D, Kawasaki K, Kosaka Y, Matsuo M, Hirase S, Mori T, Hayakawa A, Iijima K, Nishio H, Nishimura N

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      Mentions: Bone Marrow PHOX2B
    11. Novel pharmacodynamic biomarkers for MYCN protein and PI3K/AKT/mTOR pathway signaling in children with neuroblastoma.

      "We have addressed the issue of limited access to tumor biopsies for quantitative detection of protein biomarkers by optimizing a three-color fluorescence activated cell sorting (FACS) method to purify CD45-/GD2+/CD56+ neuroblastoma cells from bone marrow. We then developed a novel quantitative measurement of MYCN protein in these isolated neuroblastoma cells, providing the potential to demonstrate proof of concept for drugs that inhibit PI3K/AKT/mTOR signaling in this disease. In addition we have established quantitative detection of three biomarkers for AKT pathway activity (phosphorylated and total AKT, GSK3β and P70S6K) in surrogate platelet-rich plasma (PRP) from pediatric patients ...

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      Mentions: MYCN
    12. The Sooner the Better? How Symptom Interval Correlates With Outcome in Children and Adolescents With Solid Tumors: Regression Tree Analysis of the Findings of a Prospective Study

      "Our analysis suggests that at least a subset of patients can benefit from an earlier diagnosis in terms of survival. For others, intrinsic aggressiveness may mask the potential effect of diagnostic delays. Based on these findings, early diagnosis should remain a goal for pediatric cancer patients."

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    13. Effects of the Cessation of Mass Screening for Neuroblastoma at 6 Months of Age: A Population-Based Study in Osaka, Japan.

      Effects of the Cessation of Mass Screening for Neuroblastoma at 6 Months of Age: A Population-Based Study in Osaka, Japan.

      J Epidemiol. 2015 Nov 7;

      Authors: Ioka A, Inoue M, Yoneda A, Nakamura T, Hara J, Hashii Y, Sakata N, Yamato K, Tsukuma H, Kawa K

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      Mentions: Diagnostics
    14. Improving Detection of Metastatic Neuroblastoma in Bone Marrow Core Biopsies: A Proposed Immunohistochemical Approach.

      Improving Detection of Metastatic Neuroblastoma in Bone Marrow Core Biopsies: A Proposed Immunohistochemical Approach.

      Pediatr Dev Pathol. 2015 Oct 22;

      Authors: Parsons LN, Gheorghe G, Yan K, Simpson P, Jarzembowski JA

      Abstract Bone marrow (BM) involvement is common in stage 4/M neuroblastoma patients and profoundly impacts clinical decision-making and predicts outcomes, but no standard exists for immunohistochemical evaluation of staging BMs.

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      Mentions: Staging Bone Marrow
    15. A Pilot Study on the Utility of Serum Metabolomics in Neuroblastoma Patients and Xenograft Models

      Improved prediction of neuroblastoma (NB) behavior is needed to detect treatment-refractory disease and may allow further reduction in therapy for some patients. In this regard, serum metabolomic analysis has proven utility in several cancer types. We hypothesize that serum metabolomic analysis will correlate with risk-group classification for patients with NB, and sensitively detect NB in murine xenograft models.

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    16. High specificity targeting and detection of human neuroblastoma using multifunctional anti-GD2 iron-oxide nanoparticles.

      High specificity targeting and detection of human neuroblastoma using multifunctional anti-GD2 iron-oxide nanoparticles.

      Nanomedicine (Lond). 2015 Sep 30;

      Authors: Baiu DC, Artz NS, McElreath MR, Menapace BD, Hernando D, Reeder SB, Grüttner C, Otto M

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      Mentions: Nanoparticles
    17. 123I-MIBG scintigraphy and 18F-FDG-PET imaging for diagnosing neuroblastoma.

      123I-MIBG scintigraphy and 18F-FDG-PET imaging for diagnosing neuroblastoma.

      Cochrane Database Syst Rev. 2015 Sep 29;9:CD009263

      Authors: Bleeker G, Tytgat GA, Adam JA, Caron HN, Kremer LC, Hooft L, van Dalen EC

      Abstract BACKGROUND: Neuroblastoma is an embryonic tumour of childhood that originates in the neural crest.

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      Mentions: Imaging MIBG
    18. Early Detection and Treatment of Neuroblastic Tumor with Opsoclonus-Myoclonus Syndrome Improve Neurological Outcome: A Review of Five Cases at a Single Institution in Japan.

      Early Detection and Treatment of Neuroblastic Tumor with Opsoclonus-Myoclonus Syndrome Improve Neurological Outcome: A Review of Five Cases at a Single Institution in Japan.

      Eur J Pediatr Surg. 2015 Sep 26;

      Authors: Takama Y, Yoneda A, Nakamura T, Nakaoka T, Higashio A, Santo K, Kuki I, Kawawaki H, Tomiwa K, Hara J

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    19. Circulating free DNA as non-invasive diagnostic biomarker for childhood solid tumors.

      Circulating free DNA as non-invasive diagnostic biomarker for childhood solid tumors.

      J Pediatr Surg. 2015 Aug 28;

      Authors: Kurihara S, Ueda Y, Onitake Y, Sueda T, Ohta E, Morihara N, Hirano S, Irisuna F, Hiyama E

      Abstract PURPOSE: Our aims are to determine circulating free DNA (cfDNA) in childhood solid tumor patients who underwent surgical intervention and to analyze any relationships with clinical parameters.

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    20. Enriched Bone Marrow Derived Disseminated Neuroblastoma Cells Can Be a Reliable Source for Gene Expression Studies-A Validation Study.

      "Using neuroblastoma as a model, we show that tumor cell enrichment by magnetic bead separation has virtually no effect on gene expression in DTCs. However, transport time and temperature can influence the expression profile remarkably. Thus, the expression profile of routinely collected BM samples can be analyzed without concern as long as the transport conditions are monitored."

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      Mentions: Bone Marrow
    1-24 of 58 1 2 3 »
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