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https://www.readbyqxmd.com/read/28806574/quantitative-diffusion-weighted-magnetic-resonance-imaging-assessment-of-chemotherapy-treatment-response-of-pediatric-osteosarcoma-and-ewing-sarcoma-malignant-bone-tumors
#1
Andrew J Degnan, Chul Y Chung, Amisha J Shah
OBJECTIVE: Assessment of tumor response to chemotherapy is essential in managing malignant pediatric bone tumors prior to resection. SUBJECTS AND METHODS: Pre-chemotherapy and post-chemotherapy osteosarcoma and Ewing sarcoma cases (n=18) were analyzed with apparent diffusion coefficient (ADC) values measured by two readers. RESULTS: Treated tumors demonstrated significantly greater ADC values compared to untreated tumors (p<0.001). Intraclass correlation coefficients ranged between 0...
August 5, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28806254/rare-ileal-ewing-sarcoma-primitive-neuroectodermal-tumor-on-18f-fdg-pet-ct
#2
Pan Yu, Fei Xiaochun, Lv Jing, Zhang Yifan
A 24-year-old woman who had melena, dizziness, and fatigue and looked pale for 2 months was confirmed to have a microcytic hypochromic anemia in the local hospital. It was further revealed that the patient had splenomegaly and a small intestinal lump, and she was then referred to our hospital. The enhanced CT showed an ileal lesion with enhancement, which showed an increased F-FDG activity in further PET/CT scanning. Lymphoma was therefore suspected, and an uncomplicated surgical resection of the ileal lesion was then performed...
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28805986/histiocytic-sarcoma-new-insights-into-fna-cytomorphology-and-molecular-characteristics
#3
Yin P Hung, Scott B Lovitch, Xiaohua Qian
BACKGROUND: Histiocytic sarcoma (HS) is a rare malignant neoplasm showing morphologic and immunophenotypic features of histiocytes. Molecular characteristics of HS and fine-needle aspiration (FNA) criteria for its diagnosis have not been established. METHODS: A case series of HS in 8 FNA samples from 6 patients was reviewed along with histopathologic and clinical data. Immunohistochemistry was performed on cell blocks (3 cases), core biopsies (5 cases), and surgical specimens (4 cases)...
August 2017: Cancer
https://www.readbyqxmd.com/read/28805609/efficacy-of-pet-ct-to-exclude-leiomyoma-in-patients-with-lesions-suspicious-for-uterine-sarcoma-on-mri
#4
Soshi Kusunoki, Yasuhisa Terao, Takafumi Ujihira, Kazunari Fujino, Hiroshi Kaneda, Miki Kimura, Tsuyoshi Ota, Satoru Takeda
OBJECTIVE: To analyze the efficacy of positron emission tomography/computed tomography (PET/CT) for the diagnosis of uterine sarcoma. MATERIALS AND METHODS: Thirty-four patients evaluated between January 2010 and March 2015 were retrospectively enrolled. All patients in whom uterine sarcoma was suspected based on contrast-enhanced magnetic resonance imaging (MRI) findings (heterogeneous, high signal intensity on T2-weighted images and/or high intensity on T1-weighted images) underwent PET/CT for further assessment...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28804924/flagellate-dermatitis-in-a-child-most-likely-secondary-to-doxorubicin
#5
Darosa Lim, Marine Aussedat, Nicole Maillet-Lebel, Danielle Marcoux
Flagellate dermatitis, a cutaneous eruption in which the patient appears to have been whipped, has been described with antineoplastic agents and shiitake mushroom ingestion. A 15-year-old girl with metastatic Ewing sarcoma developed pruritic erythematous linear lesions on her trunk that became hyperpigmented over time during her first cycle of chemotherapy with doxorubicin, vincristine, cyclophosphamide, and ganitumab. Flagellate dermatitis was diagnosed based on clinical and histologic findings. Flagellate dermatitis (FD) is a rare cutaneous eruption named for its appearance, in which the patient appears to have been whipped...
August 14, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28803888/cancer-risk-in-hiv-infected-people-in-the-usa-from-1996-to-2012-a-population-based-registry-linkage-study
#6
Raúl U Hernández-Ramírez, Meredith S Shiels, Robert Dubrow, Eric A Engels
BACKGROUND: Monitoring cancer risk among HIV-infected people in the modern antiretroviral therapy (ART) era is essential given their elevated risk for many cancers and prolonged survival with immunosuppression, ART exposure, and ageing. We aimed to examine cancer risk in HIV-infected people in the USA as compared with that in the general population. METHODS: We did a registry-linkage study with data from population-based HIV and cancer registries in the USA (the HIV/AIDS Cancer Match Study)...
August 10, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28803261/advantages-in-prognosis-of-adult-patients-with-ewing-sarcoma-11-years-experiences-and-current-treatment-management
#7
Dagmar Adamkova Krakorova, Katerina Kubackova, Ladislav Dusek, Tomas Tomas, Pavel Janicek, Stepan Tucek, Jana Prausova, Igor Kiss, Iva Zambo
Ewing sarcoma (ES) is an exceptionally rare tumor in adults. Data regarding outcomes of adult patients with ES and experiences with age-adapted therapeutic strategies are very limited. The aim of this study was to evaluate prognostic factors and clinical outcome in a cohort of adult patients treated according to pediatric protocols in the Czech Republic. The records of 58 adult ES patients diagnosed between 2002 and 2013 were reviewed and factors relevant to prognosis and survival were analyzed. The median age of study cohort was 29 years (range, 18-59)...
August 12, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28803257/synthesis-and-biological-evaluation-of-4-o-acetyl-isoxanthohumol-and-its-analogues-as-antioxidant-and-antiproliferative-agents
#8
Monika Stompor, Marta Świtalska, Rafał Podgórski, Łukasz Uram, David Aebisher, Joanna Wietrzyk
Isoxanthohumol (2) and its 4'-O-monoacylated (3) and 7,4'-O-diacetylated (4) derivatives were synthesized and evaluated in vitro for their cytotoxic activity against several cancer cell lines of various origins: MCF-7 (breast), A549 (lung), MESSA (uterine sarcoma), LoVo (colon), drug-resistant human cancer cells (MESSA/DX and LoVo/DX), glioblastoma (U-118 MG), and also towards the non-cancerous cell line MCF-10A (normal breast cells). An antiproliferative assay indicates that 7,4'-di-O-acylisoxanthohumol (4) has similar cytotoxicity to its precursor, isoxanthohumol (2), against selected cell lines (A549, MES-SA, MES-SA/5DX, and U-118 MG)...
August 12, 2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28802505/soft-tissue-tumors-of-uncertain-histogenesis-a-review-for-dermatopathologists
#9
REVIEW
Darya Buehler, Paul Weisman
The mesenchymal tumors discussed herein represent a heterogeneous group of neoplasms with distinctive morphologic, immunophenotypic, and molecular genetic features. These uncommon tumors often arise in the dermis and subcutis and can pose a major diagnostic challenge to dermatopathologists because they closely mimic melanoma, carcinoma, fibrous histiocytoma, schwannoma, or granulomatous inflammation. This article reviews the clinical presentation, histopathology, differential diagnosis, and diagnostic pitfalls of epithelioid sarcoma, clear cell sarcoma, perivascular epithelioid cell tumor, ossifying fibromyxoid tumor, pleomorphic hyalinizing angiectatic tumor, and hemosiderotic fibrolipomatous tumor...
September 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/28802390/pediatric-head-and-neck-bone-sarcomas-an-analysis-of-204-cases
#10
Jacob S Brady, Sei Y Chung, Emily Marchiano, Jean Anderson Eloy, Soly Baredes, Richard Chan Woo Park
OBJECTIVES: To analyze the demographics, survival, and treatment efficacy of pediatric sarcomas of the facial skeleton and skull. METHODS: Retrospective study of cases from the US National Cancer Institute's Surveillance, Epidemiology, and End Results database. Pediatric patients between the ages of 0 and 18 diagnosed with a malignant sarcoma of either the mandible or the bones of skull, face, and associated joints from 1973 to 2013 were studied. RESULTS: In total, 204 patients were included in the analysis...
September 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28802146/epigenetic-manipulation-of-host-chromatin-by-kaposi-sarcoma-associated-herpesvirus-a-tumor-promoting-factor
#11
REVIEW
Thomas Günther, Adam Grundhoff
Molecular and epidemiological evidence links Kaposi sarcoma-associated herpesvirus (KSHV) to a number of malignancies of endothelial or B cell origin. As for most virus-associated cancers, however, the tumor initiating and promoting events remain poorly understood. Given the emerging role of epigenetic alterations as drivers of human cancers, an interesting (and as of yet under-explored) hypothesis is that viral manipulation of host cell chromatin may contribute to the pathogenesis of KSHV-associated tumors...
August 9, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28801374/myeloid-sarcoma-in-a-patient-with-myelodysplastic-syndrome-associated-with-del-5q-case-report-and-literature-review
#12
Josh A Showalter, Nidhi Tandon, Bihong Zhao, Guilin Tang, Nghia D Nguyen, L Jeffrey Medeiros
OBJECTIVE: Myeloid sarcoma (MS) is defined in the World Health Organization classification as a tumor mass consisting of myeloblasts with or without maturation and involving any anatomic site other than the bone marrow. We present a case of MS developing in a patient with 5q- myelodysplastic syndrome (MDS) and review the relevant literature. METHODS: A 77-year-old woman with recent diagnosis of MDS associated with del(5q) presented with symptoms and signs attributable to a mass involving the T8 vertebra...
August 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28801332/acute-myeloid-leukaemia-masquerading-as-a-primary-cns-tumour
#13
Branko Cuglievan, Brian A Menegaz, Sofia Garces, Michael E Rytting
In children with newly diagnosed acute myeloid leukaemia (AML), myeloid sarcomas (MS) of the central nervous system (CNS) are rare. Since MS involving the CNS are potentially curable, timely recognition is paramount. Establishing a diagnosis may be problematic as they can easily mimic primary CNS neoplasms. We report the case of a 5-year-old boy with AML with t(8;21)(q22;q22) rearrangement who presented with a massive intracranial MS and rapid clinical deterioration suggestive of a meningioma or a primitive neuroectodermal tumour...
August 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28801242/oxidant-species-are-involved-in-t-b-mediated-erk1-2-phosphorylation-that-activates-p53-p21-axis-to-promote-kshv-lytic-cycle-in-pel-cells
#14
Roberta Gonnella, Shivangi Yadav, Maria Saveria Gilardini Montani, Marisa Granato, Roberta Santarelli, Alessia Garufi, Gabriella D'Orazi, Alberto Faggioni, Mara Cirone
KSHV is a gammaherpesvirus strongly associated to human cancers such as Primary Effusion Lymphoma (PEL) and Kaposi's Sarcoma. The naturally virus-infected tumor cells usually display latent infection since a minority of cells undergoes spontaneous viral replication. The lytic cycle can be induced in vitro upon appropriate stimuli such as TPA (T), alone or in combination with butyrate (B), (T/B). In previous studies, Protein Kinase C (PKC) δ, Extracellular Signal-regulated Kinase1/2 (ERK1/2) and p53-p21 axis have been separately reported to play a role in KSHV reactivation from latency...
August 8, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28800074/phellinus-linteus-grown-on-germinated-brown-rice-increases-cetuximab-sensitivity-of-kras-mutated-colon-cancer
#15
Hye-Jin Park, Jeong-Bin Park, Sang-Jae Lee, Minjung Song
Colon cancer is one of the most common types of cancer, and it has recently become a leading cause of death worldwide. Among colon cancers, the v-ki-ras2 Kirsten rat sarcoma viral oncogene homolog (KRAS)-mutated form is notorious for its non-druggable features. Cetuximab, a monoclonal antibody that binds to the epidermal growth factor receptor, has been introduced as an antitumor therapy; however, secondary resistance and side effects significantly limit its effective use in these cancers. In this study, we prepared Phellinuslinteus on germinated brown rice (PBR) extracts to increase the sensitivity of KRAS-mutated colon cancers to cetuximab...
August 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28800015/the-utility-of-nkx2-2-and-tle1-immunohistochemistry-in-the-differentiation-of-ewing-sarcoma-and-synovial-sarcoma
#16
Lisa M Rooper, Rajni Sharma, Christopher D Gocke, Deborah A Belchis
Although molecular testing can definitively distinguish Ewing sarcoma (EWS) from synovial sarcoma (SS) it is frequently desirable to provide a confident preliminary diagnosis before such analysis can be completed. Recently, the nuclear markers NKX2.2 and TLE1 have been shown to have good sensitivity but imperfect specificity, respectively, for EWS and SS. However, the performance of these markers has not been extensively evaluated within this specific differential diagnosis. This study performed NKX2.2, TLE1, and CD99 immunohistochemistry in a group of EWS and SSs confirmed by reverse transcription-polymerase chain reaction to evaluate the utility of these novel markers in this context...
August 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28799063/clinical-outcomes-of-patients-with-epithelioid-sarcomas-impact-and-management-of-nodal-metastasis
#17
Hidetatsu Outani, Yoshinori Imura, Takaaki Tanaka, Satoshi Takenaka, Kazuya Oshima, Kenichiro Hamada, Shigeki Kakunaga, Susumu Joyama, Norifumi Naka, Ikuo Kudawara, Takafumi Ueda, Nobuhito Araki, Hideki Yoshikawa
PURPOSE: An epithelioid sarcoma is a rare histological subtype of a soft tissue sarcoma with a high local recurrence rate, which frequently shows lymph node metastasis. However, because of the rarity of this tumor, the impact of nodal metastasis and its appropriate management remain unclear. The present study investigated the clinical outcomes of patients with epithelioid sarcomas, with a focus on lymph node metastasis. METHODS: We retrospectively evaluated the clinical outcomes of 27 patients with epithelioid sarcomas treated between 1985 and 2015...
August 10, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28798814/editorial-childhood-cancer-in-sub-saharan-africa
#18
EDITORIAL
Donald Maxwell Parkin, Cristina Stefan
Measurement of incidence rates of childhood cancer in Africa is difficult. The study 'Cancer of Childhood in sub Saharan Africa' [Stefan C, Bray F, Ferlay J, Parkin DM and Liu B (2017) Cancer of Childhood in sub-Saharan Africaecancer11(755)] brings together results from 16 population-based registries which, as members of the African Cancer Registry Network (AFCRN), have been evaluated as achieving adequate coverage of their target population. The cancers are classified according to the third revision of the International Classification of Childhood Cancer (ICCC-3) and recorded rates in Africa are compared with those in childhood populations in the UK, France, and the USA...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28797979/ewings-sarcoma-of-the-cervical-epidural-space-presenting-with-tetraplegia-case-report-and-review-of-literature
#19
Raja K Kutty, Anilkumar Peethambaran, Sunilkumar B S, Krishna G Balachandran Nair, Paresh Korde, Sourabh Kumar Jain
No abstract text is available yet for this article.
August 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28797949/a-prediction-model-for-treatment-decisions-in-high-grade-extremity-soft-tissue-sarcomas-personalised-sarcoma-care-persarc
#20
Veroniek M van Praag, Anja J Rueten-Budde, Lee M Jeys, Minna Laitinen, Rob Pollock, Will Aston, Jos A van de Hage, P D Sander Dijkstra, Peter C Ferguson, Anthony M Griffin, Julie J Willeumier, Jay S Wunder, Michiel A J van de Sande, Marta Fiocco
BACKGROUND: To support shared decision-making, we developed the first prediction model for patients with primary soft-tissue sarcomas of the extremities (ESTS) which takes into account treatment modalities, including applied radiotherapy (RT) and achieved surgical margins. The PERsonalised SARcoma Care (PERSARC) model, predicts overall survival (OS) and the probability of local recurrence (LR) at 3, 5 and 10 years. AIM: Development and validation, by internal validation, of the PERSARC prediction model...
August 7, 2017: European Journal of Cancer
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