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Liposarcoma treatment

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https://www.readbyqxmd.com/read/28076606/giant-gastric-lipossarcoma-case-report-and-review-of-the-literature
#1
Jacques Matone, Samuel Okazaki, Gabriel Naman Maccapani, Thiago Trolez Amancio, Renée Zon Filippi, Antonio Luiz de Vasconcellos Macedo
Liposarcoma is one of the most common soft tissue sarcomas in adults, occurring in 15 to 20% of all patients with sarcoma. Primary liposarcoma of the stomach is rare. We report a case of patient with giant gastric liposarcoma who underwent surgery after a gastrointestinal bleeding. Preoperative hystopathological diagnosis was not established, even after three biopsy attempts. We discuss differential diagnosis, genetic causes, diagnosis strategies and treatment. RESUMO O lipossarcoma é um tipo comum de sarcomas em adultos, com incidência entre 15 e 20% entre os sarcomas...
October 2016: Einstein
https://www.readbyqxmd.com/read/28074298/effect-of-intraoperative-radiotherapy-in-the-treatment-of-retroperitoneal-sarcoma
#2
Liz B Wang, David McAneny, Gerard Doherty, Teviah Sachs
BACKGROUND: Current National Comprehensive Cancer Network guidelines for the treatment of retroperitoneal sarcomas (RPS) endorse surgical resection, but the role of radiotherapy (RT) is less clear. We investigate the utilization and benefits of intraoperative RT (IORT) in the treatment of RPS. METHODS: We queried the Surveillance, Epidemiology and End Results (SEER) database (1988-2013) for the utilization of IORT and perioperative external beam RT (EBRT) in patients who underwent surgical resection of RPS...
January 10, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28036291/assessing-the-clinical-value-of-micrornas-in-formalin-fixed-paraffin-embedded-liposarcoma-tissues-overexpressed-mir-155-is-an-indicator-of-poor-prognosis
#3
Nikolaos Kapodistrias, Konstantinos Mavridis, Anna Batistatou, Penelope Gogou, Vasilios Karavasilis, Ioannis Sainis, Evangelos Briasoulis, Andreas Scorilas
Liposarcoma (LPS) is a malignancy with extreme heterogeneity and thus optimization towards personalizing patient prognosis and treatment is essential. Here, we evaluated miR-155, miR-21, miR-143, miR-145 and miR-451 that are implicated in LPS, as novel FFPE tissue biomarkers.A total of 83 FFPE tissue specimens from primary LPS and lipomas (LPM) were analyzed. A proteinase K incubation-Trizol treatment coupled protocol was used for RNA isolation. After polyadenylation of total RNA and reverse transcription, expression analysis of 9 candidate reference and 5 target miRNAs was performed by qPCR...
December 28, 2016: Oncotarget
https://www.readbyqxmd.com/read/28018076/myxoid-liposarcoma-of-the-hand-a-rare-entity
#4
Mourad Zaraa, Khalil Haboubi, Emir Bessalah, Mohamed Ali Kedous, Mondher Mbarek
Hand liposarcomas are not well recognized in common practice, which leads to erroneous diagnostics and delayed proper treatment. We reported a case of a myxoid liposarcoma classified as stage IIb, and developed in the palmar side of the left hand in a 38-year-old man. There was an initial tumor reduction by a sclerosing agent injection that proved to be a failure. An open excisional biopsy confirmed the diagnostic after pathology examination. Recurrence occurred after 2 years, followed by a second resection and an adjunctive radiotherapy...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27920847/liposarcoma-metastases-to-the-small-bowel-presenting-as-fat-density-intraluminal-lesions
#5
Steven P Rowe, Stephanie F Coquia, Pamela T Johnson, Elliot K Fishman
Metastatic disease to the small bowel is rare; however, it is important to recognize that when it does occurs a variety of complications are possible including obstruction, gastrointestinal bleeding, intussusception, and bowel perforation. We present here an unusual case of small bowel metastases in a patient with known metastatic liposarcoma in which the lesions manifested as rapidly evolving fat-density masses that necessitated segmental small bowel resection. Careful scrutiny of the small bowel in oncology patients is necessary to guide appropriate treatment and avoid potential catastrophic complications from small bowel metastases...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27918490/activity-of-eribulin-in-a-primary-culture-of-well-differentiated-dedifferentiated-adipocytic-sarcoma
#6
Alessandro De Vita, Giacomo Miserocchi, Federica Recine, Laura Mercatali, Federica Pieri, Laura Medri, Alberto Bongiovanni, Davide Cavaliere, Chiara Liverani, Chiara Spadazzi, Dino Amadori, Toni Ibrahim
Eribulin mesylate is a novel, non-taxane, synthetic microtubule inhibitor showing antitumor activity in a wide range of tumors including soft tissue sarcomas (STS). Eribulin has been recently approved for the treatment of metastatic liposarcoma (LPS) patients previously treated with anthracyclines. This work investigated the mechanism of action of this innovative antitubulin agent in well-differentiated/dedifferentiated LPS (ALT/DDLPS) which represents one of the most common adipocytic sarcoma histotypes. A primary culture of ALT/DDLPS from a 54-year-old patient was established...
December 3, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27918201/the-importance-of-treating-by-histological-subtype-in-advanced-soft-tissue-sarcoma
#7
Javier Martín Broto, Axel Le Cesne, Peter Reichardt
While surgical resection (±radiotherapy) is standard treatment for localized soft tissue sarcomas (STS), chemotherapy is the mainstay for managing locally advanced and metastatic disease. Expanding knowledge of the biologies and sensitivities of STS histotypes, in conjunction with results from a growing collection of retrospective reviews and prospective randomized studies, point to the importance of treating in consideration of histological subtype. Doxorubicin ± ifosfamide continues to be standard first-line therapy for most STS subtypes...
January 2017: Future Oncology
https://www.readbyqxmd.com/read/27909727/anti%C3%A2-proliferative-activity-of-epigallocatechin%C3%A2-3%C3%A2-gallate-and-silibinin-on-soft-tissue-sarcoma-cells
#8
Kamran Harati, Björn Behr, Christoph Wallner, Adrien Daigeler, Tobias Hirsch, Frank Jacobsen, Marcus Renner, Ali Harati, Marcus Lehnhardt, Mustafa Becerikli
Disseminated soft tissue sarcomas (STS) present a therapeutic dilemma. The first-line cytostatic doxorubicin demonstrates a response rate of 30% and is not suitable for elderly patients with underlying cardiac disease, due to its cardiotoxicity. Well‑tolerated alternative treatment options, particularly in palliative situations, are rare. Therefore, the present study assessed the anti‑proliferative effects of the natural compounds epigallocatechin-3-gallate (EGCG), silibinin and noscapine on STS cells. A total of eight different human STS cell lines were used in the study: Fibrosarcoma (HT1080), liposarcoma (SW872, T778 and MLS‑402), synovial sarcoma (SW982, SYO1 and 1273) and pleomorphic sarcoma (U2197)...
January 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27908980/phase-2-study-of-eribulin-in-patients-with-previously-treated-advanced-or-metastatic-soft-tissue-sarcoma
#9
Akira Kawai, Nobuhito Araki, Yoichi Naito, Toshifumi Ozaki, Hideshi Sugiura, Yasuo Yazawa, Hideo Morioka, Akihiko Matsumine, Kenichi Saito, Shun Asami, Kazuo Isu
OBJECTIVE: Eribulin, a microtubule dynamics inhibitor, is approved for the treatment of patients with breast cancer and soft tissue sarcoma. We investigated the efficacy and safety of eribulin in Japanese patients with soft tissue sarcoma. METHODS: This open-label, multicenter, nonrandomized, Phase 2 study enrolled Japanese patients with measurable, advanced/metastatic soft tissue sarcoma of high/intermediate grade and ≥1 prior chemotherapy for advanced disease...
December 1, 2016: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27900096/huge-retroperitoneal-liposarcoma-with-renal-involvement-requires-nephrectomy-a-case-report-and-literature-review
#10
Jun Yang, Yue Zhao, Chun Hua Zheng, Qian Wang, Xue Yu Pang, Tian Wang, Jiao Jiao Ma
A 60-year-old female visited Guihang Guiyang Hospital (Guiyang, China). She presented with abdominal pain in the right side for the previous 2-months, with a touchable mass identified for the previous 1-month. Computed tomography with magnetic resonance imaging revealed a huge mass in the right abdomen. The diagnosis of well-differentiated retroperitoneal liposarcoma with renal involvement was made. During surgery, the tumor was removed, including the fatty renal capsule; however, the kidney was preserved. It is currently debatable whether resection of adjacent organs is required to obtain the negative margins...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27893412/molecular-mechanism-and-therapeutic-implications-of-selinexor-kpt-330-in-liposarcoma
#11
Manoj Garg, Deepika Kanojia, Anand Mayakonda, Jonathan W Said, Ngan B Doan, Wenwen Chien, Trivadi S Ganesan, Linda Shyue Huey Chuang, Nachiyappan Venkatachalam, Erkan Baloglu, Sharon Shacham, Michael Kauffman, H Phillip Koeffler
Exportin-1 mediates nuclear export of multiple tumor suppressor and growth regulatory proteins. Aberrant expression of exportin-1 is noted in human malignancies, resulting in cytoplasmic mislocalization of its target proteins. We investigated the efficacy of selinexor against liposarcoma cells both in vitro and in vivo. Exportin-1 was highly expressed in liposarcoma samples and cell lines as determined by immunohistochemistry, western blot, and immunofluorescence assay. Knockdown of endogenous exportin-1 inhibited proliferation of liposarcoma cells...
November 21, 2016: Oncotarget
https://www.readbyqxmd.com/read/27890347/isolated-limb-perfusion-for-the-management-limb-threatening-soft-tissue-sarcomas-the-role-of-histological-type-on-clinical-outcomes
#12
M Rastrelli, S Mocellin, R Stramare, A Brunello, M Maruzzo, U Basso, G Scarzello, M S Buzzaccarini, P Pilati, L M Saadeh, S P Del Fiore, A Tosi, C Montesco, L G Campana, S Tropea, C R Rossi
BACKGROUND: Hyperthermic isolated limb perfusion (HILP) is an effective neoadjuvant treatment to avoid amputation in patients with locally advanced extremity soft tissue sarcomas (STS). We aimed to investigate whether STS histological type plays a role in predicting clinical outcomes. METHODS: This study reports a retrospective analysis of 125 patients with limb threatening STS (liposarcoma, n = 41; malignant peripheral nerve sheath tumor, n = 20; leiomyosarcoma, n = 20; miscellany, n = 44), who underwent HILP from 1990 through 2015 at our institution...
November 18, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27826764/clinical-features-of-soft-tissue-sarcoma-presenting-intra-tumour-haematoma-case-series-and-review-of-the-literature
#13
Manabu Hoshi, Naoto Oebisu, Makoto Ieguchi, Yoshitaka Ban, Masatsugu Takami, Hiroaki Nakamura
INTRODUCTION: Intra-tumour haematoma is an uncommon clinical presentation in malignant soft tissue tumours. This study aimed to highlight the clinical features of patients with soft tissue sarcomas with intra-tumour haematoma. METHODS: The patient group was composed of eight men and one woman aged between 29 and 83 years (mean 44.0 ± 20.8). The average follow-up was 29.8 months. Clinical information, including clinical features, radiological information and treatment course, was retrospectively investigated...
January 2017: International Orthopaedics
https://www.readbyqxmd.com/read/27822137/axitinib-has-antiangiogenic-and-antitumorigenic-activity-in-myxoid-liposarcoma
#14
Lauren T Kerr, Jacqueline F Donoghue, Alexander L Wilding, Terrance G Johns
Myxoid liposarcoma is a rare form of soft-tissue sarcoma. Although most patients initially respond well to treatment, approximately 21% relapse, highlighting the need for alternative treatments. To identify novel treatment regimens and gain a better understanding of myxoid liposarcoma tumor biology, we screened various candidate and approved targeted therapeutics and chemotherapeutics against myxoid liposarcoma cell lines. Therapeutics that target angiogenesis showed antitumor activity. The small molecule inhibitor axitinib, which targets angiogenesis by inhibiting the VEGFR and PDGFR families and c-Kit, inhibited cell cycle progression and induced apoptosis in vitro, as well as having significant antitumor activity against MLS 1765 myxoid liposarcoma xenografts in mice...
2016: Sarcoma
https://www.readbyqxmd.com/read/27804181/comparisons-among-computed-tomographic-features-of-adipose-masses-in-dogs-and-cats
#15
Elisa Spoldi, Tobias Schwarz, Silvia Sabattini, Massimo Vignoli, Simona Cancedda, Federica Rossi
A better understanding of the CT features of different forms of canine and feline adipose tumors would be valuable for improving patient management and treatment. The purpose of this retrospective, cross-sectional study was to describe and compare the CT features of pathologically confirmed lipomas, infiltrative lipomas, and liposarcomas in a sample of canine and feline patients. A total of 50 animals (46 dogs, four cats) and a total of 60 lesions (23 lipomas, 20 infiltrative lipomas, and 17 liposarcomas) were included in the study...
November 1, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27785071/current-classification-treatment-options-and-new-perspectives-in-the-management-of-adipocytic-sarcomas
#16
REVIEW
Alessandro De Vita, Laura Mercatali, Federica Recine, Federica Pieri, Nada Riva, Alberto Bongiovanni, Chiara Liverani, Chiara Spadazzi, Giacomo Miserocchi, Dino Amadori, Toni Ibrahim
Sarcomas are a heterogeneous group of mesenchymal tumors arising from soft tissue or bone, with an uncertain etiology and difficult classification. Soft tissue sarcomas (STSs) account for around 1% of all adult cancers. Till date, more than 50 histologic subtypes have been identified. Adipocyte sarcoma or liposarcoma (LPS) is one of the most common STS subtypes, accounting for 15% of all sarcomas, with an incidence of 24% of all extremity STSs and 45% of all retroperitoneal STSs. The new World Health Organization classification system has divided LPS into four different subgroups: atypical lipomatous tumor/well-differentiated LPS, dedifferentiated LPS, myxoid LPS, and pleomorphic LPS...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27751846/safety-and-efficacy-of-regorafenib-in-patients-with-advanced-soft-tissue-sarcoma-regosarc-a-randomised-double-blind-placebo-controlled-phase-2-trial
#17
Olivier Mir, Thomas Brodowicz, Antoine Italiano, Jennifer Wallet, Jean-Yves Blay, François Bertucci, Christine Chevreau, Sophie Piperno-Neumann, Emmanuelle Bompas, Sébastien Salas, Christophe Perrin, Corinne Delcambre, Bernadette Liegl-Atzwanger, Maud Toulmonde, Sarah Dumont, Isabelle Ray-Coquard, Stéphanie Clisant, Sophie Taieb, Cécile Guillemet, Maria Rios, Olivier Collard, Laurence Bozec, Didier Cupissol, Esma Saada-Bouzid, Christine Lemaignan, Wolfgang Eisterer, Nicolas Isambert, Loïc Chaigneau, Axel Le Cesne, Nicolas Penel
BACKGROUND: Regorafenib is a multikinase inhibitor with proven activity in refractory gastrointestinal stromal tumours and chemotherapy-refractory advanced colorectal cancers. We assessed this agent's efficacy and safety in patients with metastatic soft tissue sarcomas previously treated with anthracycline. METHODS: In this randomised, double-blind, phase 2 trial undertaken in France and Austria, we enrolled patients aged 18 years and older with advanced soft tissue sarcomas who had received previous doxorubicin or other anthracycline treatment...
December 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27749522/tissue-expander-placement-and-adjuvant-radiotherapy-after-surgical-resection-of-retroperitoneal-liposarcoma-offers-improved-local-control
#18
Hyojun Park, Sanghoon Lee, BoKyong Kim, Do Hoon Lim, Yoon-La Choi, Gyu Seong Choi, Jong Man Kim, Jae Berm Park, Choon Hyuck David Kwon, Jae-Won Joh, Sung Joo Kim
Given that retroperitoneal liposarcoma (LPS) is extremely difficult to completely resect, and has a relatively high rate of recurrence, radiotherapy (RT) is the treatment of choice after surgical resection. However, it is difficult to obtain a sufficient radiation field because of the close proximity of surrounding organs. We introduce the use of tissue expanders (TEs) after LPS resection in an attempt to secure a sufficient radiation field and to improve recurrence-free survival.This study is a retrospective review of 53 patients who underwent surgical resection of LPS at Samsung Medical Center between January 1, 2005, and December 31, 2012, and had no residual tumor detected 2 months postoperatively...
August 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27737652/ct-guided-cryoablation-for-locally-recurrent-or-metastatic-bone-and-soft-tissue-tumor-initial-experience
#19
Michiro Susa, Kazutaka Kikuta, Robert Nakayama, Kazumasa Nishimoto, Keisuke Horiuchi, Sota Oguro, Masanori Inoue, Hideki Yashiro, Seishi Nakatsuka, Masaya Nakamura, Morio Matsumoto, Kazuhiro Chiba, Hideo Morioka
BACKGROUND: Historically, local control of recurrent sarcomas has been limited to radiotherapy when surgical re-resection is not feasible. For metastatic carcinomas to the bone or soft tissue, radiotherapy and some interventional radiology treatment along with other systemic therapies have been widely advocated due to the possibility of disseminated disease. These techniques are effective in alleviating pain and achieving local control for some tumor types, but it has not been effective for prolonged local control of most tumors...
October 13, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27702598/juvenile-granulosa-cell-tumor-of-the-ovary-a-clinicopathologic-study
#20
Hao Wu, Stephanie A Pangas, Karen W Eldin, Kalyani R Patel, John Hicks, Jennifer E Dietrich, Rajkumar Venkatramani
STUDY OBJECTIVE: To report on the clinical characteristics and outcome of pediatric patients with juvenile granulosa cell tumor (JGCT) of the ovary. DESIGN, SETTING, PARTICIPANTS, INTERVENTIONS, AND MAIN OUTCOME MEASURES: Patients with histopathologically confirmed ovarian JGCT diagnosed between 1990 and 2016 were identified. Data on the clinical presentation, surgical management, oncologic management, laboratory investigation, follow-up, and outcome were collected. Tumors were staged according to the International Federation of Gynecology and Obstetrics criteria...
February 2017: Journal of Pediatric and Adolescent Gynecology
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