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https://www.readbyqxmd.com/read/28509141/primary-ewing-sarcoma-of-the-kidney-a-case-report-and-treatment-review
#1
Muhammad Sadiq, Iftikhar Ahmad, Jamila Shuja, Khushnaseeb Ahmad
Ewing sarcomas/primitive neuroectodermal tumors (ES/PNET) of the kidney are rarely found high-grade malignant tumors, offering poor prognosis. Although established treatment guidelines for ES of kidney are scarce, a multi-modality treatment approached is typically implemented. Herein, we report a 14-year-old female patient with ES of right kidney. Post-nephrectomy disease recurrence was treated with chemotherapy (i.e., vincristine, doxorubicin and cyclophosphamide); marked reduction in tumor size (i.e., from 18...
April 21, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28472972/primary-ewing-s-sarcoma-primitive-neuroectodermal-tumor-of-the-ileum-case-report-of-a-16-year-old-chinese-female-and-literature-review
#2
Teng Li, Fang Zhang, Yarui Cao, Shoubin Ning, Yongmin Bi, Weicheng Xue, Li Ren
BACKGROUND: Ewing's sarcoma (ES) and primitive neuroectodermal tumors (PNET) are closely related tumors. Although soft tissue ES/PNET are common in clinical practice, they are rare in the small intestine. Because of the absence of characteristic clinical symptoms, they are easily misdiagnosed as other benign or malignant diseases. CASE PRESENTATION: Here, we present the case of a 16-year-old female who complained of anemia and interval hematochezia. Her serum test results showed only a slight elevation of CA-125 and a low level of hemoglobin...
May 4, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28468165/orbital-reconstruction-in-neuroectodermal-tumor-of-the-orbit-multimodal-treatment-approach
#3
Jorge Ernesto Cantini A, Diana M Díaz López, Esteban Francisco Hernandez Florez
INTRODUCTION: Primitive neuroectodermal tumors of peripheral origin are very rare, and orbital neuroectodermal tumors are even more uncommon. Only 25 patients with primary orbital involvement in the pediatric age group have been reported. METHODS: In this article, the authors describe their experience in the multimodality treatment approach to treat neuroectodermal tumor of the orbit. The authors also present a male patient 3-year old presenting with a neuroectodermal tumor of the right orbit causing rapidly progressive proptosis...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28462848/outcome-of-resectable-pediatric-ewing-sarcoma-of-the-ribs
#4
Gehad Ahmed, Manal Zamzam, Mohamed S Zaghloul, Ahmed Kamel, Ranin Soliman, Iman Zaky, Asmaa Salama, Nehal Kamal, Maged ElShafiey
PURPOSE: Was to evaluate the outcome of multimodality treatment in resectable primary Ewing sarcoma/primitive neuroectodermal tumor ES/PNET of the ribs and role of thoracoscopy in facilitating resection of these tumors. PATIENTS AND METHODS: This was a retrospective study including 22 patients with primary ES/PNET of the ribs surgically treated at Children's Cancer Hospital Egypt (CCHE) between January 2008 until the end of December 2014. RESULTS: Median age was 8...
April 24, 2017: Journal of the Egyptian National Cancer Institute
https://www.readbyqxmd.com/read/28444219/dna-methylation-of-a-novel-pak4-locus-influences-ototoxicity-susceptibility-following-cisplatin-and-radiation-therapy-for-pediatric-embryonal-tumors
#5
Austin L Brown, Kayla L Foster, Philip J Lupo, Erin C Peckham-Gregory, Jeffrey C Murray, M Fatih Okcu, Ching C Lau, Surya P Rednam, Murali Chintagumpala, Michael E Scheurer
Background: Ototoxicity is a common adverse side effect of platinum chemotherapy and cranial radiation therapy; however, individual susceptibility is highly variable. Therefore, the objective of this study was to conduct an epigenome-wide association study to identify differentially methylated CpG sites associated with ototoxicity susceptibility among cisplatin-treated pediatric patients with embryonal tumors. Methods: Samples were collected for a discovery (n=62) and a replication cohort (n=18) of medulloblastoma and primitive neuroectodermal tumor patients...
April 24, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28438654/dysembryoplastic-neuroectodermal-tumor-an-analysis-from-the-surveillance-epidemiology-and-end-results-program-2004-2013
#6
Ha Nguyen, Ninh Doan, Michael Gelsomino, Saman Shabani
INTRODUCTION: Dysembryoplastic neuroectodermal tumor (DNT) is a rare neoplasm. Though the pathology is commonly considered benign, there have been various reports documenting rapid growth, recurrence/ progression, sudden death, and malignant transformation. Most studies have addressed outcomes regarding seizure control, but limited data exist regarding incidence and survival. Consequently, we explore the Surveillance, Epidemiology, and End Results (SEER) database to explore the epidemiology of DNT...
April 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28405084/primitive-neuroectodermal-tumors-of-the-kidney
#7
Geetha Narayanan, Varun Rajan, T R Preethi
Ewing's sarcoma/primitive neuroectodermal tumor (ES/PNET) rarely occurs as a primary renal tumor. The disease affects young adults and children and has an aggressive course. The clinical presentation and imaging of these tumors are nonspecific, and they often present at an advanced stage. We present the clinical features, imaging, diagnosis, and treatment of 7 cases of renal PNET (4 men, 3 women; median age, 32 years). Common presenting symptoms were flank or abdominal pain and a mass in the abdomen. On imaging, a large heterogenous infiltrating renal mass with areas of calcification, hemorrhage, and necrosis and tumor thrombus can give a clue to the diagnosis of renal PNET...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28403132/orbital-reconstruction-in-neuroectodermal-tumor-of-the-orbit-multimodal-treatment-approach
#8
Jorge Ernesto Cantini A, Diana M Díaz López, Esteban Francisco Hernandez Florez
INTRODUCTION: Primitive neuroectodermal tumors of peripheral origin are very rare, and orbital neuroectodermal tumors are even more uncommon. Only 25 patients with primary orbital involvement in the pediatric age group have been reported. METHODS: In this article, the authors describe their experience in the multimodality treatment approach to treat neuroectodermal tumor of the orbit. The authors also present a male patient 3-year old presenting with a neuroectodermal tumor of the right orbit causing rapidly progressive proptosis...
April 11, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28383090/lumbosacral-epidural-primitive-neuroectodermal-tumor-pnet-case-report-and-literature-review
#9
Keyvan Eghbal, Amir Reza Dehghanian, Fariborz Ghaffarpasand
BACKGROUND: The primitive neuroectodermal tumors (PNET) of the spine are rare and usually are intramedullary and being reported in children. We herein report an epidural PNET of lumbosacral area presenting with cauda equine syndrome in an adult. CASE REPORT: A 38-year-old woman presented to our emergency room with acute onset lower extremity weakness and urinary incontinency. Emergency MRI revealed an isoitense on T1-weighted and heterogeneously hyperintense in T2-weighted images in epidural lumbosacral area...
March 9, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28378288/development-of-cystic-malacia-after-high-dose-cranial-irradiation-of-pediatric-cns-tumors-in-long-term-follow-up
#10
Fumiyuki Yamasaki, Takeshi Takayasu, Ryo Nosaka, Ikuno Nishibuchi, Hiroshi Kawaguchi, Manish Kolakshyapati, Shumpei Onishi, Taiichi Saito, Kazuhiko Sugiyama, Masao Kobayashi, Kaoru Kurisu
PURPOSE: The purpose of this study is to investigate the incidence of cystic malacia in long-term survivors of pediatric brain tumors treated with high-dose cranial irradiation. MATERIALS AND METHODS: Between 1997 and 2015, we treated 41 pediatric patients (26 males, 15 females; age ranging from 3.3 to 15.7 years, median 9-year-old) of pediatric brain tumors [17 medulloblastomas, 7 primitive neuroectodermal tumors (PNET), 3 pineoblastomas, 6 non-germinomatous germ cell tumors (NGGCT), 8 gliomas (including 4 ependymomas, 1 anaplastic astrocytoma, 1 oligodendroglioma, 1 pilocytic astrocytoma, 1 astroblastoma)] with high-dose craniospinal irradiation...
April 4, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28375941/two-tumors-in-1-what-should-be-the-therapeutic-target-pediatric-germ-cell-tumor-with-somatic-malignant-transformation
#11
Cecile Faure Conter, Brice Fresneau, Estelle Thebaud, Amandine Bertrand, Frederique Dijoud, Angelique Rome, Cecile Dumesnil, Marie Pierre Castex, Anguella Ghanem, Daniel Orbach
BACKGROUND: Germ cell tumors with somatic malignant transformation (GCT with SMT) are rare in children and poorly described. Data are missing to determine if therapies should target the GCT, the SMT compound, or both simultaneously. PATIENTS AND METHODS: A retrospective national study was conducted in the Société Française des cancers de l'Enfant (SFCE) Centers. Medical records from patients aged 0 to 18 years diagnosed with GCT with SMT between 2000 and 2015 were analyzed...
April 3, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28357093/triple-phase-99m-tc-3p-rgd2-imaging-of-peripheral-primitive-neuroectodermal-tumor-in-the-hip-muscle-group-with-bone-metastasis
#12
Jingjing Fu, Jinhua Song, Youcai Zhao, Feng Wang, Guoqiang Shao
Peripheral primitive neuroectodermal tumors (pPNETs) are a group of aggressive neoplasms that are most commonly encountered in pediatric patients and may be located in the abdomen, pelvis, thoracopulmonary region and, rarely, in the head and neck region. pPNETs in adults are extremely rare. The present study reports a case of pPNET located in the hip muscles with bone metastasis. The patient was a 44-year-old woman who complained of progressive pain and swelling with a mass near the left hip. Computed tomography (CT) and enhanced CT revealed a soft tissue mass lesion in the hip muscle group measuring 4...
February 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28338500/differential-diagnosis-in-neuroendocrine-neoplasms-of-the-larynx
#13
REVIEW
Jennifer L Hunt, Alfio Ferlito, Henrik Hellquist, Alessandra Rinaldo, Alena Skálová, Pieter J Slootweg, Stefan M Willems, Antonio Cardesa
The differential diagnosis of neuroendocrine neoplasms of the larynx is broad and includes lesions of epithelial, mesenchymal, and neuroectodermal origin. These lesions have overlapping clinical and pathologic aspects and must be carefully considered in the differential diagnosis of laryngeal neoplasms. The prognosis and treatment are also different among these tumor types, which necessitates making these distinctions clinically. The current literature was reviewed to provide updated information regarding the epithelial-derived tumors, including carcinoid, atypical carcinoid, small cell neuroendocrine carcinomas, large cell neuroendocrine carcinoma, and squamous cell carcinoma with neuroendocrine component...
May 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28327927/pineoblastoma-the-experience-at-st-jude-children-s-research-hospital
#14
Kara A Parikh, Garrett T Venable, Brent A Orr, Asim F Choudhri, Frederick A Boop, Amar J Gajjar, Paul Klimo
BACKGROUND: Pineoblastomas are rare, supratentorial, primitive neuroectodermal tumors. OBJECTIVE: To document outcomes with multimodal therapy and evaluate the impact that the degree of surgical resection has on outcome. METHODS: A departmental brain tumor database was queried to identify all patients with pathologically proven pineoblastoma who were treated from January 1997 to June 2015 at St. Jude Children's Research Hospital. For each patient, we recorded demographic, pathological, radiological, surgical, and clinical follow-up data...
March 15, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28325133/outcome-for-children-treated-for-medulloblastoma-and-supratentorial-primitive-neuroectodermal-tumor-cns-pnet-a-retrospective-analysis-spanning-40-years-of-treatment
#15
Einar Stensvold, Bård Kronen Krossnes, Tryggve Lundar, Bernt J Due-Tønnessen, Radek Frič, Paulina Due-Tønnessen, Anne Grete Bechensteen, Tor Åge Myklebust, Tom Børge Johannesen, Petter Brandal
BACKGROUND: Medulloblastoma (MB) and supratentorial primitive neuroectodermal tumor of the central nervous system (CNS-PNET) are among the most common pediatric brain tumors. The diagnosis, treatment, and outcome of MB/CNS-PNET patients treated during the last four decades at Oslo University Hospital (OUH) are described. MATERIAL AND METHODS: All patients younger than 20 years of age diagnosed and treated for MB/CNS-PNET at OUH between 1 January 1974 and 31 December 2013 were identified...
March 21, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28298418/disrupting-the-cd47-sirp%C3%AE-anti-phagocytic-axis-by-a-humanized-anti-cd47-antibody-is-an-efficacious-treatment-for-malignant-pediatric-brain-tumors
#16
Sharareh Gholamin, Siddhartha S Mitra, Abdullah H Feroze, Jie Liu, Suzana A Kahn, Michael Zhang, Rogelio Esparza, Chase Richard, Vijay Ramaswamy, Marc Remke, Anne K Volkmer, Stephen Willingham, Anitha Ponnuswami, Aaron McCarty, Patricia Lovelace, Theresa A Storm, Simone Schubert, Gregor Hutter, Cyndhavi Narayanan, Pauline Chu, Eric H Raabe, Griffith Harsh, Michael D Taylor, Michelle Monje, Yoon-Jae Cho, Ravi Majeti, Jens P Volkmer, Paul G Fisher, Gerald Grant, Gary K Steinberg, Hannes Vogel, Michael Edwards, Irving L Weissman, Samuel H Cheshier
Morbidity and mortality associated with pediatric malignant primary brain tumors remain high in the absence of effective therapies. Macrophage-mediated phagocytosis of tumor cells via blockade of the anti-phagocytic CD47-SIRPα interaction using anti-CD47 antibodies has shown promise in preclinical xenografts of various human malignancies. We demonstrate the effect of a humanized anti-CD47 antibody, Hu5F9-G4, on five aggressive and etiologically distinct pediatric brain tumors: group 3 medulloblastoma (primary and metastatic), atypical teratoid rhabdoid tumor, primitive neuroectodermal tumor, pediatric glioblastoma, and diffuse intrinsic pontine glioma...
March 15, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28291424/giant-melanotic-neuroectodermal-tumor-of-infancy-melanotic-progonoma-of-the-head-and-neck-report-of-a-malignant-case
#17
Giancarlo Nicosia, Pietro Spennato, Ferdinando Aliberti, Daniele Cascone, Lucia Quaglietta, Maria Elena Errico, Mario Muto, Franco Ionna, Giuseppe Cinalli
Melanotic neuroectodermal tumor of infancy is a rare congenital pigmented neoplasm of neural crest origin, locally aggressive, growing rapidly and developing during the 1st year of life. It most commonly arises from the maxilla, cranial vault, and mandible. Occasionally, it exhibits malignant behavior with local lymph nodes involvement. Cases misdiagnosed and left untreated for a long time can present challenges due to the tumor mass and infiltration. In these cases, adjuvant chemotherapy can be extremely helpful before radical excision...
May 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28272661/primary-paediatric-renal-primitive-neuroectodermal-tumor-a-case-report-and-review-of-the-literature
#18
Binny Khandakar, Moumita Maiti, Soumit Dey, Prasenjit Sen Ray, Palas Bhattac Haryya, Ranu Sarkar
Ewing sarcoma/primitive neuroectodermal tumor (PNET) is a high-grade malignant neoplasm commonly affecting bones of the thoracic region. Primary Ewing sarcoma/PNET of the kidney is exceptional; it commonly affects young adults and is rarely reported in children. Here we describe a case of renal PNET in a 10-year-old girl who presented at our institute with haematuria and abdominal lump. Computer tomography scan revealed a huge mass in the right kidney. Computer tomography-guided aspiration from the mass showed cytomorphological features of a small blue round cell tumor...
February 4, 2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/28145883/therapy-induced-developmental-reprogramming-of-prostate-cancer-cells-and-acquired-therapy-resistance
#19
Mannan Nouri, Josselin Caradec, Amy Anne Lubik, Na Li, Brett G Hollier, Mandeep Takhar, Manuel Altimirano-Dimas, Mengqian Chen, Mani Roshan-Moniri, Miriam Butler, Melanie Lehman, Jennifer Bishop, Sarah Truong, Shih-Chieh Huang, Dawn Cochrane, Michael Cox, Colin Collins, Martin Gleave, Nicholas Erho, Mohamed Alshalafa, Elai Davicioni, Colleen Nelson, Sheryl Gregory-Evans, R Jeffrey Karnes, Robert B Jenkins, Eric A Klein, Ralph Buttyan
Treatment-induced neuroendocrine transdifferentiation (NEtD) complicates therapies for metastatic prostate cancer (PCa). Based on evidence that PCa cells can transdifferentiate to other neuroectodermally-derived cell lineages in vitro, we proposed that NEtD requires first an intermediary reprogramming to metastable cancer stem-like cells (CSCs) of a neural class and we demonstrate that several different AR+/PSA+ PCa cell lines were efficiently reprogrammed to, maintained and propagated as CSCs by growth in androgen-free neural/neural crest (N/NC) stem medium...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28096196/craniospinal-irradiation-using-helical-tomotherapy-for-central-nervous-system-tumors
#20
Sanziana R I Schiopu, Gregor Habl, Matthias Häfner, Sonja Katayama, Klaus Herfarth, Juergen Debus, Florian Sterzing
The aim of this study was to describe early and late toxicity, survival and local control in 45 patients with primary brain tumors treated with helical tomotherapy craniospinal irradiation (HT-CSI). From 2006 to 2014, 45 patients with central nervous system malignancies were treated with HT-CSI. The most common tumors were medulloblastoma in 20 patients, ependymoma in 10 patients, intracranial germinoma (ICG) in 7 patients, and primitive neuroectodermal tumor in 4 patients. Hematological toxicity during treatment included leukopenia Grades 1-4 (6...
March 1, 2017: Journal of Radiation Research
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