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https://www.readbyqxmd.com/read/28816151/quantification-of-pediatric-abdominal-organ-motion-with-a-4-dimensional-magnetic-resonance-imaging-method
#1
Jinsoo Uh, Matthew J Krasin, Yimei Li, Xingyu Li, Christopher Tinkle, John T Lucas, Thomas E Merchant, Chiaho Hua
PURPOSE: To characterize respiration-induced abdominal organ motion in children receiving radiation treatment with a 4-dimensional (4D) magnetic resonance imaging (MRI) method. METHODS AND MATERIALS: We analyzed free-breathing coronal 4D MRI datasets acquired from 35 patients (aged 1-20 years) with abdominal tumors. A deformable image registration of the 4D MRI datasets was performed to derive motion trajectories of selected anatomic landmarks, from which organ motions were quantified...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28807197/perioperative-blood-transfusion-and-complications-in-children-undergoing-surgery-for-solid-tumors
#2
Dani O Gonzalez, Jennifer N Cooper, Erica Mantell, Peter C Minneci, Katherine J Deans, Jennifer H Aldrink
BACKGROUND: The objective was to assess whether perioperative blood transfusion (PBT) is associated with postoperative complications in children undergoing surgery for a solid tumor. METHODS: Using 2012-2014 National Surgical Quality Improvement Program Pediatric data, we identified patients aged 0-18 years who underwent surgery (biopsy or resection) for solid tumors. We compared demographic, clinical, and 30-day outcome characteristics between children who did and did not receive a PBT within 72 hours after surgery...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28801364/cd47-is-not-over-expressed-in-fibrolamellar-hepatocellular-carcinoma
#3
Tabitha Cooney, Michael C Wei, Arun Rangaswami, Lei Xu, Julien Sage, Florette K Hazard
OBJECTIVES: CD47 is a transmembrane receptor that inhibits phagocytosis. Over-expression of CD47 is associated with an increased risk of tumor growth and metastasis. Clinical trials based on anti-CD47 therapy in adults are underway in a variety of malignancies. CD47 has been shown to be over-expressed in conventional hepatocellular carcinoma (HCC), a common liver tumor in adults. To our knowledge, there have been no studies to evaluate CD47 expression in the fibrolamellar subtype of HCC (FL-HCC), common in children and young adults...
August 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28797988/effects-of-long-term-synbiotic-supplementation-in-addition-to-lifestyle-changes-in-children-with-obesity-related-non-alcoholic-fatty-liver-disease
#4
Murat Çakır, Ayşe Aksel İşbilen, İlker Eyüpoğlu, Elif Sağ, Asım Örem, Tuğba Mazlum Şen, Neşe Kaklıkkaya, Gülay Kaya
BACKGROUND/AIMS: We aimed to analyze the efficiency of a novel treatment approach, long-term synbiotic supplementation, in addition to lifestyle changes in children with non-alcoholic fatty liver disease (NAFLD). MATERIALS AND METHODS: The study included children with NAFLD (n=28) and a healthy control group (n=30). Children with NAFLD were given 1 capsule/day of synbiotics. Anthropometric parameters; biochemical analysis, including ethanol, tumor necrosis factor-α (TNF-α), total oxidant status (TOS) and anti-oxidant status (TAS), zonulin, and fecal calprotectin; and ultrasonographic examination were performed at baseline and 4 months later...
August 9, 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/28767567/a-4-and-a-half-years-old-boy-with-mesenchymal-hamartomas-in-the-left-lateral-lobe-of-the-liver-a-case-report-and-literature-review
#5
Wei Liao, Binhao Zhang, Wei Zhang, Lin Chen, Wanguang Zhang, Bixiang Zhang, Xiaoping Chen
RATIONALE: Mesenchymal hamartomas of the liver is one type of rare liver tumor. PATIENT CONCERNS: Mesenchymal hamartomas of the liver (MHL) is rarely reported in the left lobe of the liver in children who are more than 2 years old. It is difficult to distinguish it from liver lesions such as hepatoblastoma in children, and hepatocellular carcinoma and focal nodular hyperplasia in adults. In addition, it is hard to correctly diagnose it without pathological examination...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28754078/3d-simulation-assisted-resection-of-giant-hepatic-mesenchymal-hamartoma-in-children
#6
Jing Zhao, Xian-Jun Zhou, Cheng-Zhan Zhu, Ying Wu, Bin Wei, Gang Zhang, Xi-Wei Hao, Hong Zhang, Zhong Jiang, Qian Dong
OBJECTIVE: To evaluate the usefulness of Hisense Computer Assisted Surgery System (Hisense CAS) in pre-operative surgical planning and intra-operative navigation for resection of pediatric giant hepatic mesenchymal hamartoma (HMH). METHODS: Five children with HMH underwent hepatectomy in our hospital. Pre-operative abdominal enhanced CT was performed for diagnosis and treatment planning. Using CT DICOM files, three-dimensional reconstruction was performed in three cases for operation planning and intra-operative navigation, with SID carrying out precise liver resection during the operation with Hisense CAS...
December 2017: Computer Assisted Surgery (Abingdon, England)
https://www.readbyqxmd.com/read/28736178/neonatal-solid-tumors
#7
Aravindan Chandrasekaran
BACKGROUND: Neonatal tumors are different from tumors of the older children and knowledge gained from treating older children can not be extrapolated to neonates. Neonates have immature physiology and their haematopoietic and immune systems are not fully developed and the response to therapy is unpredictable. Hence it is imperative to study these tumors as separate entity. The aim of this study is to analyse this rare set of tumors in terms of their incidence, clinical features and management...
July 11, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28705916/biodistribution-and-dosimetry-of-18-f-meta-fluorobenzyl-guanidine-mfbg-a-first-in-human-pet-ct-imaging-study-of-patients-with-neuroendocrine-malignancies
#8
Neeta Pandit-Taskar, Pat B Zanzonico, Kevin D Staton, Jorge A Carrasquillo, Diane Reidy-Lagunes, Serge K Lyashchenko, Eva Burnazi, Hanwen Zhang, Jason S Lewis, Ronald Blasberg, Steven M Larson, Wolfgang Andreas Weber, Shakeel Modak
Introduction: Iodine-123-meta-iodobenzylguanidine ((123)I-MIBG) imaging is currently a mainstay in the evaluation of many neuroendocrine tumors, especially neuroblastoma. (123)I-MIBG imaging has several limitations that can be overcome by the use of a PET agent. (18)F-MFBG is a positron emission tomography (PET) analog of MIBG that may allow for single-day, high-resolution quantitative imaging. We conducted a first-in-human study of (18)F-MFBG PET imaging to evaluate the safety, feasibility, pharmacokinetics, and dosimetry of (18)F-MFBG in neuroendocrine tumors (NETs)...
July 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28689245/imaging-of-renal-medullary-carcinoma-in-children-and-young-adults-a-report-from-the-children-s-oncology-group
#9
Jesse K Sandberg, Elizabeth A Mullen, Mariana M Cajaiba, Ethan A Smith, Sabah Servaes, Elizabeth J Perlman, James I Geller, Peter F Ehrlich, Nicholas G Cost, Jeffrey S Dome, Conrad V Fernandez, Geetika Khanna
BACKGROUND: Renal medullary carcinoma is a rare renal malignancy of childhood. There are no large series describing the imaging appearance of renal medullary carcinoma in children. OBJECTIVE: To characterize the clinical and imaging features of pediatric renal medullary carcinoma at initial presentation. MATERIALS AND METHODS: We retrospectively analyzed images of 25 pediatric patients with renal medullary carcinoma enrolled in the Children's Oncology Group renal tumors classification, biology and banking study (AREN03B2) from March 2006 to August 2016...
July 8, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28675359/the-romanian-national-program-for-liver-transplantation-852-procedures-in-815-patients-over-17-years-2000-2017-a-continuous-evolution-to-success
#10
Irinel Popescu, Mihnea Ionescu, Vladislav Braşoveanu, Doina Hrehoreţ, Narcis Copca, Cristian Lupaşcu, Florin Botea, Bogdan Dorobanţu, Sorin Alexandrescu, Mihai Grigorie, Emil Matei, Radu Zamfir, Vasile Lungu, Dana Tomescu, Gabriela Droc, Daniela Ungureanu, Ruxandra Fota, Graţiela Manga, Mihai Popescu, Laura Popa, Liana Gheorghe, Speranţa Iacob, Corina Pietrăreanu, Mariana Mihailă, Laurenţiu Mic, Sanda Constantinescu, Cristian Gheorghe, Bogdan Cotruta, Ioana Lupescu, Mugur Grasu, Mirela Boroş, Radu Dumitru, Mihai Toma, Liliana Paslaru, Laura Vlad, Ileana Constantinescu, Ileana Dima, Vlad Herlea, Gabriel Becheanu, Cătălin Pecheanu, Daniela Sasalovici
Background: Liver transplantation (LT) has become an established treatment for end-stage liver disease, with more than 20.000 procedures yearly worldwide. The aim of this study was to analyze the results of Romanian National Program of LT. Methods: Between April 2000 and April 2017, 817 pts received 852 LTs in Romania. Male/female ratio was 487/330, while adult/pediatric ratio was 753/64, with a mean age of 46 years (median 50 yrs; range 7 months - 68 yrs). Main LT indications were HBV cirrhosis (230 pts; 28...
May 2017: Chirurgia
https://www.readbyqxmd.com/read/28620649/hepatoblastoma-transplant-versus-resection-experience-in-a-latin-american-transplant-center
#11
Luis A Caicedo, Angie Sabogal, Oscar Serrano, Jorge I Villegas, Verónica Botero, María T Agudelo, Viviana Lotero, Diana Dávalos, Eliana Manzi, Ana M Aristizabal, Catalina Gomez, Gabriel J Echeverri
BACKGROUND: Hepatoblastoma is the most common primary malignant liver tumor in children and is usually diagnosed during the first 3 years of life. Overall survival has increased 50% due to chemotherapeutic schemes, expertise surgery centers, and liver transplantation. METHODS: A retrospective collection of data was performed from pediatric patients with diagnosis of hepatoblastoma. Variables included demographic, diagnostic tools and histological classification; chemotherapy and surgical treatment; and outcomes and patient survival...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28601178/pediatric-hepatobiliary-neoplasms-an-overview-and-update
#12
REVIEW
Ali Yikilmaz, Michael George, Edward Y Lee
Recent developments regarding the treatment of pediatric liver tumors have significantly improved patient care. Stimulated by collaboration between international pediatric groups, advances have been made in surgical techniques, transplantation options, and chemotherapy schemas. In light of this progress, clear understanding of the state-of-the-art imaging evaluation of hepatobiliary tumors has become even more integral to the effective management of children with hepatic neoplasms. The unique imaging features of hepatic neoplasms in the pediatric population, when coupled with supportive demographic data and laboratory findings, can lead to accurate diagnosis and proper treatment of hepatobiliary tumors...
July 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28598585/epithelioid-hemangioendotheliomas-of-the-liver-and-lung-in-children-and-adolescents
#13
REVIEW
Simone Hettmer, Geoffroy Andrieux, Jochen Hochrein, Philipp Kurz, Jochen Rössler, Silke Lassmann, Martin Werner, Nikolas von Bubnoff, Christoph Peters, Ewa Koscielniak, Monika Sparber-Sauer, Charlotte Niemeyer, Thomas Mentzel, Hauke Busch, Melanie Boerries
Epithelioid hemangioendothelioma (EHE) is a rare, vascular sarcoma. Visceral forms arise in the liver/ lungs. We review the clinical and molecular phenotype of pediatric visceral EHE based on the case of a 9-year-old male child with EHE of the liver/lungs. His tumor expressed the EHE-specific fusion oncogene WWTR1-CAMTA1. Molecular characterization revealed a low somatic mutation rate and activated interferon signaling, angiogenesis regulation, and blood vessel remodeling. After polychemotherapy and resection of lung tumors, residual disease remained stable on oral lenalidomide...
June 9, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28550689/a-diagnostic-program-of-vascular-tumor-and-vascular-malformations-in-children-according-to-modern-classification
#14
Iryna Benzar
The aim of the study was to analyze the cohort of inpatient children with vascular anomalies according to the globally accepted classification introduced by the ISSVA. METHODS: The study included 205 inpatient children within the time period of the years 2010-2015. Types of vascular anomalies (VAs), age of patients, diagnostic procedures, and anatomical localization of VAs were analyzed. RESULTS: 65 patients of first year of life had vascular tumors, with prevalence of infantile hemangiomas (IHs) in 57 (87...
2017: Acta Medica (Hradec Králové)
https://www.readbyqxmd.com/read/28521077/clinical-case-series-of-pediatric-hepatic-angiosarcoma
#15
Kalee L Grassia, Caitlin M Peterman, Ionela Iacobas, Judith F Margolin, Ewa Bien, Bhavna Padhye, Rebecka L Meyers, Denise M Adams
Hepatic angiosarcoma is a rare, aggressive, malignant neoplasm with fewer than 50 cases reported in children. Prognosis is poor, with a minority surviving beyond 2 years after diagnosis. We report eight cases of pediatric hepatic angiosarcoma, diagnosed at a mean age of 3 years. Seven were initially diagnosed with an infantile hepatic hemangioendothelioma (IHHE) or hemangioma and the eighth with a "vascular tumor." Two patients, who received liver transplant, survived. We suggest hepatic hemangiomas can rarely transform into angiosarcomas and a subset of IHHEs (Type II) are actually a low-grade form of angiosarcoma rather than a benign lesion...
May 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28482388/-a-follow-up-report-of-childhood-hepatoblastoma-from-74-cases-in-a-single-center
#16
T Y Wang, C Pan, J Y Tang, Q D Ye, M Zhou, Y J Gao, W T Hu
Objective: To investigate the efficacy and the prognostic factors in pediatric hepatoblastoma according to the standard diagnostic and therapeutic regimen. Method: Eighty-four consecutive patients were enrolled in this study between June 2000 and June 2015. Diagnosis and staging was decided by the multi-disciplinary team including oncologists, surgeons, pathologists and sub-specialized radiologists refering to protocol of Children's Oncology Group(COG) and International Society of Pediatric Oncology Liver Tumor Study Group (SIOPEL) in a case observational study...
May 4, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28468559/pediatric-mesenchymal-hamartomas-of-the-liver-can-show-both-foregut-and-hindgut-phenotype
#17
Hao Wu, William Ferguson, Eumenia Castro, Milton Finegold, Kalyani Patel
Cystic epithelium in mesenchymal hamartoma (MH) is typically biliary type. Mucinous differentiation of the epithelium and increased hepatocellular component may pose a diagnostic challenge. We studied MH in 7 children (6 M, 1 F; age 4 months to 8 years, median 1 year). Resected tumors varied from 3.0 to 17.0 cm. All tumors showed biliary epithelium in the cystic component with strong and diffuse reactivity for CK7 and CK19. Expression of CK20 and CDX2 was additionally seen in 2 tumors, rare/focal in 1, and diffuse with mucinous differentiation in the other...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28466615/angiographic-embolization-in-pediatric-abdominal-trauma
#18
Yechiel Sweed, Jonathan Singer-Jordan, Sorin Papura, Norman Loberant, Alon Yulevich
BACKGROUND: Trauma is the leading cause of childhood morbidity and mortality. Abdominal bleeding is one of the common causes of mortality due to trauma. Angiography and embolization are well recognized as the primary treatments in certain cases of acute traumatic hemorrhage in adults; however, evidence is lacking in the pediatric population. OBJECTIVES: To assess the safety and efficacy of transcatheter arterial embolization (TAE) for blunt and penetrating abdominal and pelvic trauma in the pediatric age group...
November 2016: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28415158/clinicopathological-study-of-18-cases-of-inflammatory-myofibroblastic-tumors-with-reference-to-alk-1-expression-5-year-experience-in-a-tertiary-care-center
#19
Ramesh Babu Telugu, Anne Jennifer Prabhu, Nobin Babu Kalappurayil, John Mathai, Birla Roy Gnanamuthu, Marie Therese Manipadam
BACKGROUND: Inflammatory myofibroblastic tumor is a histopathologically distinctive neoplasm of children and young adults. According to World Health Organization (WHO) classification, inflammatory myofibroblastic tumor is an intermediate-grade tumor, with potential for recurrence and rare metastasis. There are no definite histopathologic, molecular, or cytogenetic features to predict malignant transformation, recurrence, or metastasis. METHODS: A 5-year retrospective study of histopathologically diagnosed inflammatory myofibroblastic tumors of various anatomic sites was conducted to correlate anaplastic lymphoma kinase-1 (ALK-1) expression with histological atypia, multicentric origin of tumor, recurrence, and metastasis...
May 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28411361/liver-transplant-in-children-with-hepatoblastoma
#20
Mehmet Hanifi Okur, Yücel Yankol, Bayındır Cimşit, Nesimi Mecit, Gökhan Ertuğrul, Turan Kanmaz, Ceyhun Bozkurt, Koray Acarlı, Münci Kalayoğlu
OBJECTIVES: In this paper, the results of liver transplant due to hepatoblastoma in 10 pediatric patients at Istanbul Şişli Memorial Hospital Transplantation Center are presented. MATERIALS AND METHODS: We retrospectively evaluated medical records of pediatric patients diagnosed with hepatoblastoma and who underwent liver transplant at our clinic between January 2009 and March 2014. We examined age, weight, chemotherapy regimen, graft type for liver transplant, duration of hospital stay, complications, follow-up duration, and survival information...
April 14, 2017: Experimental and Clinical Transplantation
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