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Soft tissu sarcomas

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https://www.readbyqxmd.com/read/29158788/programmed-death-ligand-1-pd-l1-expression-in-primary-angiosarcoma
#1
Gerardo Botti, Giosuè Scognamiglio, Laura Marra, Antonio Pizzolorusso, Maurizio Di Bonito, Rossella De Cecio, Monica Cantile, Annarosaria De Chiara
Angiosarcomas are rare malignant endothelial-cell tumors of vascular or lymphatic origin, and are among the most aggressive subtypes of soft-tissue sarcomas. The prognosis is poor and treatment is challenging in many cases. PD-1/PD-L1 pathway plays a critical role in immune escape of tumor cells. Recent studies described that PD-L1 is widely expressed in various types of cancer, providing the basis for the development of PD1/PD-L1 antibodies as anti-cancer immunotherapy. Despite the well-known potential of PD-L1 as prognostic and predictive biomarker, only few studies described its IHC expression in cancer subtypes for the extreme difficulty in developing standard protocol with the different antibody clones available...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29156834/oncolytic-reovirus-inhibits-angiogenesis-through-induction-of-cxcl10-ip-10-and-abrogation-of-hif-activity-in-soft-tissue-sarcomas
#2
Jennifer S Carew, Claudia M Espitia, Weiguo Zhao, Monica M Mita, Alain C Mita, Steffan T Nawrocki
The tumor-selective viral replication capacity and pro-apoptotic effects of oncolytic reovirus have been reported to be dependent on the presence of an activated RAS pathway in several solid tumor types. However, the mechanisms of selective anticancer efficacy of the reovirus-based formulation for cancer therapy (Reolysin, pelareorep) have not been rigorously studied in soft tissue sarcomas (STS). Here we report that Reolysin triggered a striking induction of the anti-angiogenic chemokine interferon-γ-inducible protein 10 (IP-10)/CXCL10 (CXC chemokine ligand 10) in both wild type and RAS mutant STS cells...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29152444/excellent-pathologic-response-and-atypical-clinical-course-of-high-grade-extremity-sarcoma-to-neoadjuvant-pencil-beam-scanning-proton-therapy
#3
Jill Remick, William Regine, Robert Malyapa, Vincent Ng, Melissa Vyfhuis, Tejan Diwanji, Susan Shyu, James W Snider
Neoadjuvant radiation therapy, followed by definitive surgical resection, remains the standard of care for resectable high-grade and unresectable soft tissue sarcomas. Proton therapy offers the promise of highly conformal dose distributions with improved sparing of neighboring normal tissues as compared with conformal and intensity modulated photon techniques. It is unclear whether proton therapy may offer an improved tumoral response, especially with dose escalation, in this relatively radio-insensitive tumor type...
September 15, 2017: Curēus
https://www.readbyqxmd.com/read/29152430/a-dosimetric-comparison-of-intensity-modulated-proton-therapy-volumetric-modulated-arc-therapy-and-4%C3%AF-non-coplanar-intensity-modulated-radiation-therapy-for-a-patient-with-parameningeal-rhabdomyosarcoma
#4
Tiffany W Chen, Julian Sison, Becky Lee, Arthur J Olch, Andrew Chang, Annelise Giebeler, Kenneth Wong
Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children and manifests as two major histological subtypes: embryonal and alveolar. The five-year local failure rate for RMS at parameningeal sites (middle ear, mastoid region, nasal cavity, etc.) is around 17% despite multiple Intergroup Rhabdomyosarcoma Study Group (IRS) trials conducted to determine the optimal radiation treatment regimen. This case report explores the use of intensity-modulated proton therapy (IMPT) for a 10-year-old child who presented with left eye irritation, facial pain, and headaches and was found to have an alveolar parameningeal rhabdomyosarcoma...
September 10, 2017: Curēus
https://www.readbyqxmd.com/read/29152166/a-retrospective-cohort-study-of-treatment-patterns-among-patients-with-metastatic-soft-tissue-sarcoma-in-the-us
#5
Victor M Villalobos, Stacey DaCosta Byfield, Sameer R Ghate, Oluwakayode Adejoro
Background: Since treatment patterns in metastatic soft tissue sarcoma (mSTS) have not been studied subsequent to US approval of pazopanib in 2012, this study sought to examine mSTS treatment patterns by line of therapy, including regimen and duration of therapy. Methods: This retrospective study employed administrative claims from a large US health plan from 1/2006-9/2015. Adult mSTS patients were required to have an NCCN-recommended therapy and be continuously enrolled in the health plan during the study period...
2017: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/29152060/inhibition-of-chk1-sensitizes-ewing-sarcoma-cells-to-the-ribonucleotide-reductase-inhibitor-gemcitabine
#6
Kelli L Goss, Stacia L Koppenhafer, Kathryn M Harmoney, William W Terry, David J Gordon
Ewing sarcoma is a bone and soft tissue sarcoma that occurs in children and young adults. The EWS-FLI1 gene fusion is the driver mutation in most Ewing sarcoma tumors and functions, in part, as an aberrant transcription factor. We recently identified that Ewing sarcoma cells are sensitive to inhibition of ribonucleotide reductase (RNR), which catalyzes the formation of deoxyribonucleotides from ribonucleotides. In this report, we show that Ewing sarcoma cells are sensitive to treatment with clofarabine, which is a nucleoside analogue and allosteric inhibitor of RNR...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29145565/outcome-prediction-in-patients-with-localized-soft-tissue-sarcoma-which-tool-is-the-best
#7
B Kasper, E Wardelmann
No abstract text is available yet for this article.
November 14, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29142747/clinical-characteristics-of-critically-ill-cancer-patients-who-are-undergoing-isolated-limb-perfusion
#8
Silvio A Ñamendys-Silva, Arturo M Ruiz-Beltran, Mireya Barragán-Dessavre, Andoreni R Bautista-Ocampo, Abelardo Meneses-García, Octavio González-Chon, Angel Herrera-Gómez
The aim of the present study was to investigate the incidence of organ dysfunction, and to describe the clinical characteristics and intensive care unit (ICU) outcomes of critically ill cancer patients who were admitted to an oncological ICU during the isolated limb perfusion post-operative period. The present study was an observational investigation of 42 critically ill cancer patients who were admitted to the ICU of the Instituto Nacional de Cancerología, during the isolated limb perfusion post-operative period, between July 2010 and February 2016...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29141017/temozolomide-post-pazopanib-treatment-failure-in-patients-with-advanced-sarcoma-a-case-series
#9
Manojkumar Bupathi, John L Hays, James L Chen
BACKGROUND: Sarcomas are rare, heterogeneous tumors for which prognosis remains dismal in patients with advanced disease. Pazopanib, a vascular endothelial growth factor receptor inhibitor, has shown modest efficacy in patients with soft tissue sarcoma who fail cytotoxic chemotherapy. The cytotoxic agent temozolomide has also demonstrated activity in patients with advanced sarcoma. OBJECTIVE: We performed a retrospective case series to evaluate the feasibility of adding temozolomide to pazopanib in advanced sarcoma patients following single-agent pazopanib failure...
2017: PloS One
https://www.readbyqxmd.com/read/29137032/non-hodgkin-lymphoma-of-multiple-extranodal-involvement-seen-on-mri-fdg-pet-ct-scans-a-case-report
#10
Shan Wang, Meng Meng, Qiuhu Wang, Kai Xu
RATIONALE: Anaplastic large cell lymphoma (ALCL) is a rare type of non-Hodgkin lymphoma (NHL). The most common extranodal sites of ALCL are skin, subcutaneous tissue, bone, lung, and gastrointestinal organs. This study reports a case of ALCL with multiple extranodal involvement, especially the whole body skeletal muscles, with the aim to share the imaging features of the ALCL including magnetic resonance imaging (MRI) and 18F-fluorodeoxyglucose positron emission tomography-computed tomography (18F-FDG PET-CT)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29137020/alveolar-soft-part-sarcoma-occurring-in-the-penis-of-a-3-year-old-boy-a-rare-case-report
#11
Linli Qiu, Yuman Li, Shima Ibrahim Ali, Mingxing Xie
RATIONALE: Alveolar soft part sarcoma (ASPS) is a rare, malignant neoplasm, which mostly occurs in the upper and lower extremities. This article presents an unusual case of ASPS involving the penis of a 3-year-old boy. To our knowledge, this is the first case of ASPS in the penis of a child. PATIENT CONCERNS: The patient complained of slight penile pain for 1 year and a soft tissue mass could be palpated in his penis. DIAGNOSES: Imaging was performed on the penis...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136686/-clinicopathologic-and-molecular-characteristics-of-malignant-gastrointestinal-neuroectodermal-tumors
#12
M Zhao, T W Zhao, J Ma, C Y Wu, L Chen, G Q Ru, X L He
Objective: To investigate the clinicopathologic and molecular characteristics, diagnostic, differential diagnostic and prognostic features of malignant gastrointestinal neuroectodermal tumor. Methods: Two cases of malignant gastrointestinal neuroectodermal tumor were retrieved; the clinical and radiologic features, histomorphology, immunophenotype, molecular genetics and prognosis were analyzed and the relevant literature reviewed. Results: Case 1 was a 57-year-old male, presented with recurrent abdominal pain and melena...
November 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29135996/clinicopathological-and-prognostic-value-of-transforming-acidic-coiled-coil-containing-protein-3-tacc3-expression-in-soft-tissue-sarcomas
#13
Kotaro Matsuda, Hiroaki Miyoshi, Koji Hiraoka, Shintaro Yokoyama, Toshiaki Haraguchi, Toshihiro Hashiguchi, Tetsuya Hamada, Naoto Shiba, Koichi Ohshima
Transforming acidic coiled-coil-containing protein 3 (TACC3), a microtubule regulator, is associated with various cancers. However, the relationship between TACC3 and soft tissue sarcomas (STS) remains unclear. We investigated the expression of TACC3 in 136 STS patient samples using immunohistochemical (IHC) staining, and the statistical associations between TACC3 expression and clinicopathological characteristics were evaluated. Additionally, the expression levels of the tumor suppressor p53 and of the cell proliferation marker Ki-67 were also assessed by IHC...
2017: PloS One
https://www.readbyqxmd.com/read/29132798/the-impact-of-racial-ethnic-disparities-on-survival-for-children-and-adolescents-with-extremity-sarcomas-a-population-based-study
#14
Michael Joseph, Emma C Hamilton, Andrea Hayes-Jordan, Winston W Huh, Mary T Austin
PURPOSE: The purpose of this study was to determine whether racial/ethnic disparities exist in disease presentation, treatment, and survival among children and adolescents with extremity sarcoma. METHODS: The Surveillance, Epidemiology, and End Results (SEER) data were analyzed for patients <20years old with soft-tissue extremity sarcomas from 1973 to 2013. Multivariate logistic regression was performed to determine the association between race/ethnicity and disease stage at presentation and likelihood of surgical resection...
October 12, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29126649/is-dose-de-escalation-possible-in-sarcoma-patients-treated-with-enlarged-limb-sparing-resection
#15
Antonin Levy, Sylvie Bonvalot, Sara Bellefqih, Philippe Terrier, Axel Le Cesne, Cécile Le Péchoux
PURPOSE: To evaluate the impact of dose de-escalation in a large series of resected limbs soft tissue sarcomas (STS). METHODS: Data were retrospectively analysed from 414 consecutive patients treated for limb STS by enlarged surgery and radiotherapy at Gustave Roussy from 05/1993 to 05/2012. Radiotherapy (RT) dose level was decided by the multidisciplinary staff and depended upon the quality of surgery and margins size. RESULTS: RT was delivered prior (13%) or after (87%) surgery...
November 7, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29121995/round-cell-sarcoma-of-the-colon-with-cic-rearrangement
#16
H Maghrebi, R Batti, A Zehani, N Chrait, H Rais, A Makni, A Haddad, M Ayadi, A Daghfous, M Jrad, N Kchir, Z Bensafta, A Mezlini
BACKGROUND: The CIC-rearranged sarcoma is a very rare highly aggressive malignant soft tissue group of tumors. It has recently been described as highly aggressive soft tissue tumors of children and young adults sharing similar morphological features with the Ewing sarcoma. The digestive localization is exceptional. CASE PRESENTATION: A 14-year-old male presented with a history of abdominal pain for 1 year, which increased in intensity over the last 2 months. Imaging findings showed a large heterogeneous mesenteric mass on the left flank of the abdomen...
November 9, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29119015/pulmonary-metastasectomy-for-sarcoma-essen-experience
#17
Dumitrita Alina Gafencu, Stefan Welter, Danjouma Housmanou Cheufou, Till Ploenes, Georgios Stamatis, Martin Stuschke, Dirk Theegarten, Christian Taube, Sebastian Bauer, Clemens Aigner
Background: Pulmonary metastasectomy is an established treatment modality for patients with soft as well as bone tissue sarcomas. Aim of this study is to describe the Essen experience in the surgical management of patients with pulmonary sarcoma metastases. Methods: This is a retrospective single center analysis of perioperative outcome of patients undergoing pulmonary metastasectomy for sarcoma metastases from 1997-2017 and a summary of published papers on this topic...
October 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29118718/the-practice-of-physical-activity-in-the-setting-of-lower-extremities-sarcomas-a-first-step-toward-clinical-optimization
#18
Mohamad Assi, Mickael Ropars, Amélie Rébillard
Lower-extremities sarcoma patients, with bone tumor and soft-tissue sarcoma, are a unique population at high risk of physical dysfunction and chronic heart diseases. Thus, providing an adequate physical activity (PA) program constitutes a primary part of the adjuvant treatment, aiming to improve patients' quality of life. The main goal of this paper is to offer clear suggestions for clinicians regarding PA around the time between diagnosis and offered treatments. These preliminary recommendations reflect our interpretation of the clinical and preclinical data published on this topic, after a systematic search on the PubMed database...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29118384/the-genomic-landscape-of-malignant-peripheral-nerve-sheath-tumors-diverse-drivers-of-ras-pathway-activation
#19
Andrew S Brohl, Elliot Kahen, Sean J Yoder, Jamie K Teer, Damon R Reed
Malignant peripheral nerve sheath tumor (MPNST) is an aggressive soft tissue sarcoma. To more fully characterize the genomic landscape of this tumor type, we performed next generation sequencing studies for mutational and copy number analysis. We analyzed whole exome sequencing data from 12 MPNST and SNP arrays for a subset of these. We additionally conducted a literature review of prior next generation sequencing studies in this disease and compared to the current study. We report recurrent mutations in NF1, SUZ12, EED, TP53 and CDKN2A in our study cohort...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29117824/ancient-schwannoma-of-radial-nerve-a-report-of-two-cases
#20
Anil K Bhat, Ashwath M Acharya, Jayakrishnan K Narayanakurup, Vijay Shankar
Ancient schwannoma is a rare variant of schwannoma associated with a longstanding course. They differ from classical schwannomas in the long duration for this subtype of schwannoma to develop and also by demonstrating haemorrhagic and degenerative changes with nuclear atypia. It is because of these histologic hallmarks that they are frequently misdiagnosed as malignant tumours. They usually involve the major nerves of flexor surfaces in upper extremity such as the ulnar and median nerve but schwannomas of the radial nerve are a rare entity...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
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