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https://www.readbyqxmd.com/read/29333027/ewing-s-sarcoma-of-the-calcaneum
#1
P Ajmal Sherif, A Santa
Ewing's sarcoma of the calcaneum is rare. Radiological features of this tumor can be misinterpreted as other benign bone tumors due to its rarity. The overall prognosis of Ewing's sarcoma of calcaneum is inferior compared to other sites of this tumor. Hence, these tumors should have extensive radiological evaluation and histological confirmation as misdiagnosis and treatment delays will have detrimental outcomes.
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29333026/renal-lymphoma-primary-or-first-manifestation-of-aggressive-pediatric-b-cell-lymphoma
#2
Pragnya Coca, Vijay Gandhi Linga, Sadashivudu Gundeti, Ashwani Tandon
Renal lymphoma is an uncommon renal tumor in children. Unlike renal lymphomas presenting as bilateral disease and renal failure, we report a boy who presented with unilateral renal involvement. After initial nephrectomy, he achieved remission with multiagent chemotherapy but relapsed systemically within 3 months. He was initiated on salvage chemotherapy with autologous bone marrow transplant. Even though the initial manifestation was localized lymphoma eventually, it turned out to be a systemic disease. He succumbed to disease at 14 months from diagnosis...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29333006/rational-use-of-imaging-to-stage-breast-cancer-evidences-for-a-selective-approach
#3
S G D Gangadaran
Introduction: Staging investigations at diagnosis are customary to accurately assign a clinical stage before therapy. The practice of routine imaging in patients asymptomatic for metastasis is not recommended but widely adopted. This study was done to reexamine the basis behind guideline recommendations and to identify the factors predictive of asymptomatic metastasis. Methods: Oncology records of 200 breast cancer patients in clinical Stages I-III at diagnosis were prospectively reviewed...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29332356/%C3%AE-aescin-shows-potent-antiproliferative-activity-in-osteosarcoma-cells-by-inducing-autophagy-ros-generation-and-mitochondrial-membrane-potential-loss
#4
Zhao-Rui Liu, Li-Zhi Sun, Tang-Hong Jia, Dao-Fu Jia
PURPOSE: Osteosarcoma is one of the frequent bone tumor affecting mainly children and is associated with considerable mortality. The limited availability of anticancer drugs and less efficacious treatment options have led to poor survival rates of patients with osteosarcoma. Therefore, there is need to look for more viable treatment options and against this backdrop, natural products may prove handy. Therefore the aim of the present study was to evaluate the anticancer activity of a natural product of plant origin, β-aescin, against U2OS human osteosarcoma cells...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332347/genetically-engineered-bone-marrow-derived-mesenchymal-stem-cells-co-expressing-ifn-%C3%AE-and-il-10-inhibit-hepatocellular-carcinoma-by-modulating-mapk-pathway
#5
Hao Wang, Jun Wang, Xiaolei Shi, Yitao Ding
PURPOSE: One of the major challenges in delivering cytokines for the treatment of hepatocellular carcinoma (HCC) is the mode of delivery. This study hypothesized that genetically engineered bone marrow derived mesenchymal stem cells (BMSCs) co-expressing IFN-γ and IL-10 can serve as a potential therapeutic strategy in the treatment of HCC by inhibiting cell proliferation. METHODS: Male Sprague-Dawley rats (n=5, 200-250 g) for BMSCs isolation and Nude/SCID mice (n=35,12-20g) to develop liver cancer xenograft model were used...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332078/magnetic-resonance-guided-high-intensity-focused-ultrasound-for-treating-movement-disorders
#6
Young Goo Kim, Eun Jung Kweon, Won Seok Chang, Hyun Ho Jung, Jin Woo Chang
Transcranial magnetic resonance-guided focused ultrasound (MRgFUS) surgery has recently gained favor as a novel, noninvasive alternative to conventional neurosurgery. In contrast to traditional ablative interventions, transcranial MRgFUS surgery is entirely imaging-guided and uses continuous temperature measurements at the target and surrounding tissue taken in real-time. Unlike Gamma Knife radiosurgery, MRgFUS surgery can make a lesion immediately and does not use ionizing radiation. Moreover, since no metallic device is implanted, MR imaging-based diagnosis is not restricted throughout life...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29331622/value-of-serial-multiparametric-magnetic-resonance-imaging-and-magnetic-resonance-imaging-guided-biopsies-in-men-with-low-risk-prostate-cancer-on-active-surveillance-after-1-yr-follow-up
#7
Esther Hendrika Johanna Hamoen, Caroline M A Hoeks, Diederik M Somford, Inge M van Oort, Henk Vergunst, Jorg R Oddens, Geert A Smits, Leonard P Bokhorst, J Alfred Witjes, Maroeska M Rovers, Christina A Hulsbergen-van de Kaa, Jelle O Barentsz
BACKGROUND: Active surveillance (AS) aims to reduce overtreatment of low-risk prostate cancer (PC). Incorporating multiparametric magnetic resonance imaging (mp-MRI) and MR-guided biopsy (MRGB) in an AS protocol might contribute to more accurate identification of AS candidates. OBJECTIVE: To evaluate the value of 3T mp-MRI and MRGB in PC patients on AS at inclusion and after 12-mo follow-up. DESIGN, SETTING, AND PARTICIPANTS: Patients with cT1c-cT2 PC, prostate-specific antigen (PSA) ≤10ng/ml, PSA density <0...
January 10, 2018: European Urology Focus
https://www.readbyqxmd.com/read/29330865/a-case-of-radiation-induced-osteosarcoma-of-the-skull-presenting-as-a-cutaneous-epidermotropic-tumour-with-a-short-latent-period
#8
E Rashidghamat, E Calonje
Radiation induced sarcoma is an unusual but well documented tumor. The frequency of radiation induced sarcoma of the head and neck region has been reported as 0.143%. In the literature the median interval between irradiation and development of sarcoma is 11 years. Cases of RIS with a short latent period i.e. less than four years are rare. We report a case of a 34 year-old female who developed an osteosarcoma of the scalp, over a previous craniotomy scar, three years after excision of a frontal anaplastic oligodendroglioma which had been followed by a course of 6 weeks radiotherapy (58 Gy) and 6 cycles of Temozolomide...
January 13, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29330462/mir-143-3p-inhibits-the-proliferation-migration-and-invasion-in-osteosarcoma-by-targeting-fosl2
#9
Xiangran Sun, Guo Dai, Ling Yu, Qingzhu Hu, Jingteng Chen, Weichun Guo
Osteosarcoma (OS) is the most common type of primary malignant bone tumor and mainly occurs in children and adolescent. Because of its early migration and invasion, OS has a poor prognosis. It has been reported that mircoRNAs (miRNAs) play a crucial role in the occurrence and development of multiple tumors. In this study, we identified the aberrant-expression of miR-143-3p in osteosarcoma and examined the role of miR-143-3p in OS development. Further, we searched the miR-143-3p target gene and verified its accuracy by luciferase experiments...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330051/anti-tumor-effects-of-triptolide-on-angiogenesis-and-cell-apoptosis-in-osteosarcoma-cells-by-inducing-autophagy-via-repressing-wnt-%C3%AE-catenin-signaling
#10
Xugui Li, Qilin Lu, Wei Xie, Yang Wang, Guanqing Wang
Osteosarcoma is a common malignant bone tumor occurring in adolescents and children. The poor prognosis and low 5-year survival rate of osteosarcoma partly due to high metastasis of osteosarcoma. Triptolide (TPL), an extract from Tripterygium wilfordii, is widely used in cancer treatment. In our present study, we aimed to study the effect of TPL in osteosarcoma treatment and explore the associated regulation mechanism. Our study revealed that TPL inhibited angiogenesis by suppressing the expression of hypoxia inducible factor-1α (HIF-1α) and vascular endothelial growth factor (VEGF) in dose dependent manner...
January 9, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29329006/ongoing-unmet-needs-in-treating-estrogen-receptor-positive-her2-negative-metastatic-breast-cancer
#11
REVIEW
Gül A Başaran, Chris Twelves, Véronique Diéras, Javier Cortés, Ahmad Awada
Estrogen receptor-positive (ER+)/human epidermal growth factor receptor 2 negative (HER2-) advanced or metastatic breast cancer (MBC) is the most common MBC subtype and currently remains incurable, with a median overall survival of 24.8 months (95% confidence interval, 21.3-30.3). Common sites of metastases are bone, viscera, and brain, causing significant symptoms that negatively affect patient functioning, quality of life (QoL), and work productivity. Guidelines state that endocrine therapy (ET) is preferable to chemotherapy as first-line treatment for patients with ER+ MBC, regardless of limited visceral metastases, unless rapid tumor response is required or ET resistance is suspected...
December 6, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29328867/glioma-stem-cell-niches-in-human-glioblastoma-are-periarteriolar
#12
Vashendriya V V Hira, Diana A Aderetti, Cornelis J F van Noorden
Survival of primary brain tumor (glioblastoma) patients is seriously hampered by glioma stem cells (GSCs) that are distinct therapy-resistant self-replicating pluripotent cancer cells. GSCs reside in GSC niches, which are specific protective microenvironments in glioblastoma tumors. We have recently found that GSC niches are hypoxic periarteriolar, whereas in most studies, GSC niches are identified as hypoxic perivascular. The aim of this review is to critically evaluate the literature on perivascular GSC niches to establish whether these are periarteriolar, pericapillary, perivenular, and/or perilymphatic...
January 1, 2018: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/29328417/microrna-129-5p-suppresses-cell-proliferation-migration-and-invasion-via-targeting-rock1-in-osteosarcoma
#13
Chaofan Han, Wenbo Wang
Osteosarcoma (OS) is the most common primary malignancy of the bone in teenagers and accounts for 20‑35% of all malignant primary bone tumors. Increasing evidence shows that microRNAs (miRNAs) are abnormally expressed in several types of human cancer. miRNAs are necessary to maintain the malignant phenotype of cancer cells and can function as either tumor suppressors or oncogenes. The present study aimed to measure the expression of miRNA‑129‑5p (miR‑129‑5p) in OS, determine the effects of miR‑129‑5p on the malignant behaviors of OS cells, and elucidate the molecular mechanism underlying the oncogenesis and progression of OS...
January 4, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29327939/blockade-of-the-complement-c5a-c5ar1-axis-impairs-lung-cancer-bone-metastasis-by-cxcl16-mediated-effects
#14
Daniel Ajona, Carolina Zandueta, Leticia Corrales, Haritz Moreno, María J Pajares, Sergio Ortiz-Espinosa, Elena Martínez-Terroba, Naiara Perurena, Fernando J de Miguel, Eloisa Jantus-Lewintre, Carlos Camps, Silvestre Vicent, Jackeline Agorreta, Luis M Montuenga, Ruben Pio, Fernando Lecanda
RATIONALE: C5aR1(CD88), a receptor for complement anaphylatoxin C5a, is a potent immune mediator. Its impact on malignant growth and dissemination of NSCLC cells is poorly understood. OBJECTIVES: To investigate the contribution of the C5a/C5aR1 axis to the malignant phenotype of NSCLC cells, particularly in skeletal colonization, a preferential lung metastasis site. METHODS: Association between C5aR1 expression and clinical outcome was assessed in silico and validated by immunohistochemistry...
January 12, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29327709/insm1-expression-and-its-diagnostic-significance-in-extraskeletal-myxoid-chondrosarcoma
#15
Akihiko Yoshida, Naohiro Makise, Susumu Wakai, Akira Kawai, Nobuyoshi Hiraoka
Extraskeletal myxoid chondrosarcoma is a rare subtype of sarcoma that affects the soft tissue and bones in middle-aged and elderly adults. Its diagnosis can be challenging, with the differential diagnoses including a wide variety of mesenchymal tumors. The line of differentiation of extraskeletal myxoid chondrosarcoma has been controversial, but recent evidence suggests a neuroendocrine phenotype. INSM1 is a zinc-finger transcription factor that plays a pivotal role in neuroendocrine differentiation, and has been proposed as a promising immunohistochemical marker of neuroendocrine carcinoma...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29327260/lifetime-study-in-mice-after-acute-low-dose-ionizing-radiation-a-multifactorial-study-with-special-focus-on-cataract-risk
#16
Claudia Dalke, Frauke Neff, Savneet Kaur Bains, Scott Bright, Deborah Lord, Peter Reitmeir, Ute Rößler, Daniel Samaga, Kristian Unger, Herbert Braselmann, Florian Wagner, Matthias Greiter, Maria Gomolka, Sabine Hornhardt, Sarah Kunze, Stefan J Kempf, Lillian Garrett, Sabine M Hölter, Wolfgang Wurst, Michael Rosemann, Omid Azimzadeh, Soile Tapio, Michaela Aubele, Fabian Theis, Christoph Hoeschen, Predrag Slijepcevic, Munira Kadhim, Michael Atkinson, Horst Zitzelsberger, Ulrike Kulka, Jochen Graw
Because of the increasing application of ionizing radiation in medicine, quantitative data on effects of low-dose radiation are needed to optimize radiation protection, particularly with respect to cataract development. Using mice as mammalian animal model, we applied a single dose of 0, 0.063, 0.125 and 0.5 Gy at 10 weeks of age, determined lens opacities for up to 2 years and compared it with overall survival, cytogenetic alterations and cancer development. The highest dose was significantly associated with increased body weight and reduced survival rate...
January 11, 2018: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/29326121/modeling-multiple-myeloma-bone-marrow-interactions-and-response-to-drugs-in-a-3d-surrogate-microenvironment
#17
Daniela Belloni, Silvia Heltai, Maurilio Ponzoni, Antonello Villa, Barbara Vergani, Lorenza Pecciarini, Magda Marcatti, Stefania Girlanda, Giovanni Tonon, Fabio Ciceri, Federico Caligaris-Cappio, Marina Ferrarini, Elisabetta Ferrero
Multiple myeloma develops primarily inside the bone marrow microenvironment, that confers pro-survival signals and drug resistance. 3D cultures that reproduce multiple myeloma-bone marrow interactions are needed to fully investigate multiple myeloma pathogenesis and response to drugs. To this purpose, we exploited the 3D Rotary Cell Culture System bioreactor technology for myeloma-bone marrow co-cultures in gelatin scaffolds. The model was validated with myeloma cell lines that, as assessed by histochemical and electron-microscopic analyses, engaged contacts with stromal cells and endothelial cells...
January 11, 2018: Haematologica
https://www.readbyqxmd.com/read/29325948/spinal-metastasis-resulting-from-atypical-thymic-carcinoid-a-case-report
#18
Xinjie Wu, Yingna Qi, Feng Yang, Mingsheng Tan, Jie Lin
BACKGROUND: Thymic carcinoid with spinal metastasis is an extremely rare entity. Clinically, the tumor presents either by its endocrine manifestations or by mechanical compression of surrounding structures. However, no previous studies reported a case with neck pain, and neurological deficit as initial presentation of an atypical thymic carcinoid. METHOD: A 56-year-old non-smoking man presented with 12-month history of intermittent neck pain and 1-month history of progressive numbness and weakness of the right upper limb...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29325640/selective-egf-receptor-inhibition-in%C3%A2-cd4-%C3%A2-t%C3%A2-cells-induces-anergy-and%C3%A2-limits%C3%A2-atherosclerosis
#19
Lynda Zeboudj, Mikael Maître, Lea Guyonnet, Ludivine Laurans, Jeremie Joffre, Jeremie Lemarie, Simon Bourcier, Wared Nour-Eldine, Coralie Guérin, Jonas Friard, Abdelilah Wakkach, Elizabeth Fabre, Alain Tedgui, Ziad Mallat, Pierre-Louis Tharaux, Hafid Ait-Oufella
BACKGROUND: Several epidermal growth factor receptor (EGFR) inhibitors have been successfully developed for the treatment of cancer, limiting tumor growth and metastasis. EGFR is also expressed by leukocytes, but little is known about its role in the modulation of the immune response. OBJECTIVES: The aim of this study was to determine whether EGFR expressed on CD4+ T cells is functional and to address the consequences of EGFR inhibition in atherosclerosis, a T cell-mediated vascular chronic inflammatory disease...
January 16, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29325354/-excision-of-giant-desmoid-in-the-abdominal-wall-method-of-abdominal-wall-reconstruction-and-follow-up-of-long-termed-effect
#20
Y Fei, J Y Li
Objective: To explore the ideal procedure of excision and repair for giant desmoid in the abdominal wall and long-termed follow-up results. Methods: Clinical and follow-up data of 24 patients with giant desmoid in the abdominal wall underwent radical removal and immediate abdominal wall reconstruction in Diagnostic and Therapeutic Center of Hernia and Abdominal Wall Diseases, First Affiliated Hospital of People's Liberation Army General Hospital from October 2006 to October 2016 were analyzed retrospectively...
January 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
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