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https://www.readbyqxmd.com/read/28228908/diagnosis-of-neonatal-neuroblastoma-with-postmortem-magnetic-resonance-imaging
#1
James Davis, Nathan Novotny, Jacqueline Macknis, Zeynep Alpay-Savasan, Luis F Goncalves
Postmortem magnetic resonance imaging (MRI) is emerging as a valuable tool to accompany traditional autopsy and has potential for use in cases when traditional autopsy is not possible. This case report will review the use of postmortem MRI with limited tissue sampling to differentiate between metastatic neuroblastoma and hepatoblastoma which could not be clearly differentiated with prenatal ultrasound, prenatal MRI, or emergent postnatal ultrasound. The mother presented to our institution at 27 weeks gestation after an obstetric ultrasound at her obstetrician's office identified a large abdominal mass...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28211941/upfront-window-vincristine-irinotecan-treatment-of-high-risk-hepatoblastoma-a-report-from-the-children-s-oncology-group-ahep0731-study-committee
#2
Howard M Katzenstein, Wayne L Furman, Marcio H Malogolowkin, Mark D Krailo, M Beth McCarville, Alexander J Towbin, Greg M Tiao, Milton J Finegold, Sarangarajan Ranganathan, Stephen P Dunn, Max R Langham, Eugene D McGahren, Carlos Rodriguez-Galindo, Rebecka L Meyers
BACKGROUND: The identification of new therapies for high-risk (HR) hepatoblastoma is challenging. Children's Oncology Group study AHEP0731 included a HR stratum to explore the efficacy of novel agents. Herein, the authors report the response rate to the combination of vincristine (V) and irinotecan (I) and the outcome of patients with high-risk hepatoblastoma. METHODS: Patients with newly diagnosed metastatic hepatoblastoma or those with a serum α-fetoprotein (AFP) level <100 ng/mL were eligible...
February 17, 2017: Cancer
https://www.readbyqxmd.com/read/28203111/unresectable-hepatoblastoma-current-perspectives
#3
REVIEW
Angela D Trobaugh-Lotrario, Rebecka L Meyers, Allison F O'Neill, James H Feusner
Although rare, hepatoblastoma is the most common pediatric liver tumor. Complete resection is a critical component for cure; however, most patients will have tumors that are not resected at diagnosis. For these patients, administration of neoadjuvant chemotherapy renders tumors resectable in most patients. For patients whose tumors remain unresectable after chemotherapy, liver transplantation is indicated (in the absence of active unresectable metastatic disease). In patients whose tumors remain unresectable after conventional chemotherapy, interventional techniques may serve as a promising option to reduce tumor size, decrease systemic toxicity, decrease need for liver transplantation, and increase feasibility of tumor resection...
2017: Hepatic Medicine: Evidence and Research
https://www.readbyqxmd.com/read/28188039/inflammation-factors-in-hepatoblastoma-and-their-clinical-significance-as-diagnostic-and-prognostic-biomarkers
#4
Fei Guo, Qin Ru, Junjie Zhang, Shen He, Jiekai Yu, Shu Zheng, Jiaxiang Wang
PURPOSE: The aims of this study were to identify inflammation factors in hepatoblastoma tissue that correlated with different clinical characteristics, and to explore the probability as predictive biomarkers for diagnosis and prognosis. METHODS: SELDI-TOF-MS was performed to screen protein peaks that were significantly highly expressed in tumor tissue compared with adjacent liver tissue. After removing proteins larger than 30kDa, the targeted peaks were separated by solid phase extraction and tricine-SDS-PAGE...
February 1, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28187036/a-brief-report-of-immunohistochemical-markers-to-identify-aggressive-hepatoblastoma
#5
Vivekanand Singh, Michelle Manalang, Meenal Singh, Udayan Apte
Hepatoblastoma (HB) is the most common malignant liver tumor in children. Although survival of patients has improved significantly over the last 2 decades, a significant number of patients do not respond to standard chemotherapy. We conducted a pilot study to understand if there was immunophenotypic difference between tumors that respond well to chemotherapy versus that do not. We selected 10 cases of HB from children presenting at our hospital. All patients had initial tissue diagnosis, underwent chemotherapy followed by surgical resection...
February 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28180936/fn14-hepatic-progenitor-cells-are-associated-with-liver-fibrosis-in-biliary-atresia
#6
Lulu Zheng, Zhibao Lv, Zhenhua Gong, Qingfeng Sheng, Zhimei Gao, Yuting Zhang, Shenghua Yu, Junmei Zhou, Zhengjun Xi, Xueli Wang
PURPOSE: The liver in biliary atresia (BA) is characterized by progressing fibrosis which is promoted by unclear reasons. We aimed to understand the factors influencing liver fibrosis. This study hypothesized that HPCs (hepatic progenitor cells) are activated and associated with liver fibrosis in biliary atresia. METHODS: Liver samples from biliary atresia patients are as BA group, and the normal liver derived from hepatoblastoma infants during operation are control group...
February 8, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28178668/long-non-coding-rna-crnde-a-novel-regulator-of-tumor-growth-and-angiogenesis-in-hepatoblastoma
#7
Rui Dong, Xiang-Qi Liu, Bin-Bin Zhang, Bai-Hui Liu, Shan Zheng, Kui-Ran Dong
Long non-coding RNAs (lncRNAs) are involved in many biological processes, such as angiogenesis, invasion, cell proliferation, and apoptosis. They have emerged as key players in the pathology of several tumors, including hepatoblastoma. In this study, we elucidate the biological and clinical significance of CRNDE up-regulation in hepatoblastoma. CRNDE is significantly up-regulated in human hepatoblastoma specimens and metastatic hepatoblastoma cell lines. CRNDE knockdown reduces tumor growth and tumor angiogenesis in vivo, and decreases hepatoblastoma cell viability, proliferation, and angiogenic effect in vitro...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28160403/the-utility-of-alpha-fetoprotein-screening-in-beckwith-wiedemann-syndrome
#8
Kelly A Duffy, Matthew A Deardorff, Jennifer M Kalish
Beckwith-Wiedemann syndrome (BWS) is one of the most common cancer predisposition disorders. As a result, BWS patients receive tumor screening as part of their clinical management. Until recently, this screening has been employed uniformly across all genetic and epigenetic causes of BWS, including the utilization of ultrasonography to detect abdominal tumors and alpha-fetoprotein (AFP) to detect hepatoblastoma. The advancements in our understanding of the genetics and epigenetics leading to BWS has evolved over time, and has led to the development of genotype/phenotype correlations...
February 4, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28126357/hepatoblastoma
#9
Divya Sharma, Girish Subbarao, Romil Saxena
Hepatoblastoma is the most common primary malignant hepatic tumor of infancy and childhood, occurring predominantly in the first two years of life. The management of hepatoblastoma has changed markedly over the last 3 decades; neoadjuvant chemotherapy is now standard, particularly in unresectable tumors resulting in considerable preoperative tumor shrinkage and sometimes near total ablation of the tumor. A 20 month old infant was incidentally found to have a 7.6cm right sided retroperitoneal tumor on routine screening ultrasonography for left ureteral stenosis...
December 23, 2016: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28124497/maternal-preeclampsia-and-odds-of-childhood-cancers-in-offspring-a-california-statewide-case-control-study
#10
Xiaoqing Xu, Beate Ritz, Myles Cockburn, Christina Lombardi, Julia E Heck
BACKGROUND: Preeclampsia is a major cause of adverse effects on fetal health. We examined associations between fetal exposure to preeclampsia and subsequent odds of childhood cancers. METHODS: We obtained childhood cancer cases (n = 13 669) diagnosed at 5 years old or younger between 1988 and 2012 from the California Cancer Registry and linked them to birth certificates. Controls (n = 271 383) were randomly selected from all California births and frequency matched to cases by birth year...
March 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28109716/primary-mesenchymal-liver-tumors-of-childhood
#11
Omer Saeed, Romil Saxena
Primary mesenchymal tumors of the liver represent a significant proportion of liver tumors among neonates, infants and young children. They may be discovered incidentally or present with an alarmingly large, rapidly growing abdominal mass. One third of pediatric liver tumors are benign with hemangioma and mesenchymal hamartoma being the commonest in that order. Infantile hemangioendothelioma and mesenchymal hamartoma represent the commonest liver tumors among neonates and infants. Mesenchymal hamartoma may even present in utero...
December 23, 2016: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28103887/microrna-expression-patterns-and-signalling-pathways-in-the-development-and-progression-of-childhood-solid-tumours
#12
REVIEW
Anna L Leichter, Michael J Sullivan, Michael R Eccles, Aniruddha Chatterjee
The development of childhood solid tumours is tied to early developmental processes. These tumours may be complex and heterogeneous, and elucidating the aberrant mechanisms that alter the early embryonic environment and lead to disease is essential to our understanding of how these tumours function. MicroRNAs (miRNAs) are vital regulators of gene expression at all stages of development, and their crosstalk via developmental signalling pathways is essential for orchestrating regulatory control in processes such as proliferation, differentiation and apoptosis of cells...
January 19, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28079820/hepatoblastoma-in-an-11-year-old-case-report-and-a-review-of-the-literature
#13
REVIEW
Irina B Pateva, Rachel A Egler, Duncan S Stearns
RATIONALE: Hepatoblastoma is a rare malignancy. Approximately 100 cases are diagnosed yearly in the United States. The highest incidence occurs in infants and in children younger than 5 years. Cases involving patients older than 5 years are very rare. We describe the case of a patient who was diagnosed with hepatoblastoma at an atypical age of presentation for this type of malignancy. We also performed Ovid MEDLINE search for hepatoblastoma and epidemiology reports occurring in children between the ages of 5 and 18 years...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28055331/review-of-ginkgo-biloba-induced-toxicity-from-experimental-studies-to-human-case-reports
#14
Nan Mei, Xiaoqing Guo, Zhen Ren, Daisuke Kobayashi, Keiji Wada, Lei Guo
Ginkgo biloba seeds and leaves have been used as a traditional herbal remedy for thousands of years, and its leaf extract has been consumed as a botanical dietary supplement for decades. Ginkgo biloba extract is a complex mixture with numerous components, including flavonol glycosides and terpene lactones, and is one of the most widely sold botanical dietary supplements worldwide. Concerns about potential health risks for the general population have been raised because of the widespread human exposure to Ginkgo biloba and its potential toxic and carcinogenic activities in rodents...
January 2, 2017: Journal of Environmental Science and Health. Part C, Environmental Carcinogenesis & Ecotoxicology Reviews
https://www.readbyqxmd.com/read/28049244/false-positive-diagnosis-of-hepatocellular-carcinoma-in-liver-resection-patients
#15
Hongeun Lee, Jeong Hee Yoon, Hyeyoung Kim, Nam Joon Yi, Suk Kyun Hong, Kyung Chul Yoon, Hyo Sin Kim, Sung Woo Ahn, Jin Young Choi, Youngrok Choi, Hae Won Lee, Ju Yeon Yi, Kyoung Bun Lee, Kwang Woong Lee, Kyung Suk Suh
The diagnosis of hepatocellular carcinoma (HCC) is based on imaging studies particularly in high-risk patients without histologic confirmation. This study evaluated the prevalence and characteristics of false-positively diagnosed HCC in a liver resection cohort for HCC. A retrospective review was performed of 837 liver resection cases for clinically diagnosed HCC between 2005 and 2010 at our institute. High-risk patients with tumors > 1 cm with one or two image findings consistent with HCC and tumors < 1 cm with two or more image findings consistent with HCC with persistently increased serum alpha-fetoprotein (AFP) levels above the normal range with underlying inhibited hepatitis activity underwent liver resection...
February 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28043904/liver-cancer-cell-of-origin-molecular-class-and-effects-on%C3%A2-patient-prognosis
#16
REVIEW
Daniela Sia, Augusto Villanueva, Scott L Friedman, Josep M Llovet
Primary liver cancer is the second leading cause of cancer-related death worldwide and therefore a major public health challenge. We review hypotheses of the cell of origin of liver tumorigenesis and clarify the classes of liver cancer based on molecular features and how they affect patient prognosis. Primary liver cancer comprises hepatocellular carcinoma (HCC), intrahepatic cholangiocarcinoma (iCCA), and other rare tumors, notably fibrolamellar carcinoma and hepatoblastoma. The molecular and clinical features of HCC versus iCCA are distinct, but these conditions have overlapping risk factors and pathways of oncogenesis...
December 30, 2016: Gastroenterology
https://www.readbyqxmd.com/read/28038456/dna-methylation-landscape-of-hepatoblastomas-reveals-arrest-at-early-stages-of-liver-differentiation-and-cancer-related-alterations
#17
Mariana Maschietto, Tatiane Cristina Rodrigues, André Yoshiaki Kashiwabara, Érica Sara Souza de Araujo, Talita Ferreira Marques Aguiar, Cecilia Maria Lima da Costa, Isabela Werneck da Cunha, Luciana Dos Reis Vasques, Monica Cypriano, Helena Brentani, Silvia Regina Caminada de Toledo, Peter Lees Pearson, Dirce Maria Carraro, Carla Rosenberg, Ana Cristina Victorino Krepischi
Hepatoblastomas are uncommon embryonal liver tumors accounting for approximately 80% of childhood hepatic cancer. We hypothesized that epigenetic changes, including DNA methylation, could be relevant to hepatoblastoma onset. The methylomes of eight matched hepatoblastomas and non-tumoral liver tissues were characterized, and data were validated in an independent group (11 hepatoblastomas). In comparison to differentiated livers, hepatoblastomas exhibited a widespread and non-stochastic pattern of global low-level hypomethylation...
December 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/28034077/distinguishing-among-pediatric-hepatoblastomas-transitional-liver-cell-tumors-and-hepatocellular-carcinomas-and-using-appropriate-chemotherapy-regimens
#18
Rui Dong, Shan Zheng, Kuiran Dong
No abstract text is available yet for this article.
January 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27977403/clinical-and-molecular-characterization-of-beckwith-wiedemann-syndrome-in-a-chinese-population
#19
Ho Ming Luk
BACKGROUND: The objective of this study was to examine the clinical and molecular features, genotype-phenotype correlation and the efficacy of different diagnostic criteria for predicting a positive molecular test in Chinese Beckwith-Wiedemann syndrome (BWS) patients. METHODS: A retrospective tertiary-wide study was performed in Hong Kong with 27 molecularly confirmed BWS patients between January 2010 and September 2015. RESULTS: It was observed that 48...
January 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/27975144/golgi-apparatus-dis-and-reorganizations-studied-with-the-aid-of-2-deoxy-d-glucose-and-visualized-by-3d-electron-tomography
#20
Carmen Ranftler, Claudia Meisslitzer-Ruppitsch, Josef Neumüller, Adolf Ellinger, Margit Pavelka
We studied Golgi apparatus disorganizations and reorganizations in human HepG2 hepatoblastoma cells by using the nonmetabolizable glucose analogue 2-deoxy-D-glucose (2DG) and analyzing the changes in Golgi stack architectures by 3D-electron tomography. Golgi stacks remodel in response to 2DG-treatment and are replaced by tubulo-glomerular Golgi bodies, from which mini-Golgi stacks emerge again after removal of 2DG. The Golgi stack changes correlate with the measured ATP-values. Our findings indicate that the classic Golgi stack architecture is impeded, while cells are under the influence of 2DG at constantly low ATP-levels, but the Golgi apparatus is maintained in forms of the Golgi bodies and Golgi stacks can be rebuilt as soon as 2DG is removed...
December 14, 2016: Histochemistry and Cell Biology
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