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Synovial sarcoma

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https://www.readbyqxmd.com/read/29450702/establishment-and-characterization-of-the-ncc-ss1-c1-synovial-sarcoma-cell-line
#1
Fusako Kito, Rieko Oyama, Yoko Takai, Marimu Sakumoto, Kumiko Shiozawa, Zhiwei Qiao, Takenori Uehara, Akihiko Yoshida, Akira Kawai, Tadashi Kondo
Synovial sarcoma is an aggressive mesenchymal malignancy characterized by unique gene fusions. Tissue culture cells are essential tools for further understanding tumorigenesis and anti-cancer drug development; however, only a limited number of well-characterized synovial sarcoma cell lines exist. Thus, the objective of this study was to establish a patient-derived synovial sarcoma cell line. We established a synovial sarcoma cell line from tumor tissue isolated from a 72-year-old female patient. Prepared cells were analyzed for the presence of gene fusions by fluorescence in situ hybridization, RT-PCR, and karyotyping...
February 15, 2018: Human Cell
https://www.readbyqxmd.com/read/29446979/synovial-sarcoma-mimicking-a-thoracic-dumbell-schwannoma-a-case-report
#2
Susanth Subramanian, Gandham Edmond Jonathan, Bimal Patel, Krishna Prabhu
INTRODUCTION: Synovial sarcoma is a rare mesenchymal malignant neoplasm that accounts for less than 10% of soft tissue sarcomas. About 95% of the sarcomas occur in the extremities. Primary synovial sarcomas of the spine are a rare tumor arising from the paravertebral regions, paraspinal muscles or epidural spaces. PURPOSE: To report an atypical radiological presentation of synovial sarcoma of the thoracic spine mimicking a nerve sheath tumor in an elderly adult and describe the management with review of the literature...
February 15, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29416348/synovial-sarcoma-of-the-maxillary-sinus-an-extremely-rare-case-with-excellent-response-to-chemotherapy
#3
Shin Saito, Hiroyuki Ozawa, Yuuichi Ikari, Nana Nakahara, Fumihiro Ito, Mariko Sekimizu, Junichi Fukada, Kaori Kameyama, Kaoru Ogawa
This paper presents an extremely rare case of synovial sarcoma arising from the maxillary sinus, which resulted in a clinically complete response to chemotherapy. Synovial sarcoma is a rare soft tissue malignant tumor, most commonly affecting the extremities. While ~10% occur in the head and neck region, synovial sarcoma of the sinonasal tract is extremely rare, with only 11 cases having been reported previously. As with other sarcomas, the standard treatment is complete resection while allowing for a safe margin, but this is often difficult in the head and neck area due to the complicated anatomy there...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29415665/prognostic-implications-of-polycomb-proteins-ezh2-suz12-and-eed1-and-histone-modification-by-h3k27me3-in-sarcoma
#4
Yong Jin Cho, Soo Hee Kim, Eun Kyung Kim, Jung Woo Han, Kyoo-Ho Shin, Hyuk Hu, Kyung Sik Kim, Young Deuk Choi, Sunghoon Kim, Young Han Lee, Jin-Suck Suh, Joong Bae Ahn, Hyun Cheol Chung, Sung Hoon Noh, Sun Young Rha, Sung-Taek Jung, Hyo Song Kim
BACKGROUND: Polycomb repressive complex 2 (PRC2; formed by EZH2, SUZ12, and EED protein subunits) and PRC1 (BMI1 protein) induce gene silencing through histone modification by H3K27me3. In the present study, we characterized the PRC expression pattern and its clinical implication in sarcoma. METHODS: Using immunohistochemistry, we analyzed PRC expression in 105 sarcoma patients with 5 subtypes: synovial sarcoma (n = 18), rhabdomyosarcoma (n = 28), Ewing sarcoma (n = 15), osteosarcoma (n = 30), and others (n = 14)...
February 7, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29409495/pd-1-axis-expression-in-musculoskeletal-tumors-and-antitumor-effect-of-nivolumab-in-osteosarcoma-model-of-humanized-mouse
#5
Bingxin Zheng, Tingting Ren, Yi Huang, Kunkun Sun, Shidong Wang, Xing Bao, Kuisheng Liu, Wei Guo
BACKGROUND: Immune checkpoint inhibitors have led to a breakthrough in solid tumor immunotherapy, but related studies on musculoskeletal tumors are few, especially for PD-L2. METHODS: We examined expression of three molecular effectors of the PD-1 axis in 234 patients with musculoskeletal tumors, including osteosarcoma, chondrosarcoma, synovial sarcoma, and giant cell tumor. Survival analyses and potential mechanisms were investigated in osteosarcoma per the Gene Expression Omnibus (GEO) and immunohistochemistry analyses...
February 6, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29406562/synovial-cell-sarcoma-in-a-dog-a-misnomer-cytologic-and-histologic-findings-and-review-of-the-literature
#6
REVIEW
Paola Monti, Darren Barnes, Anna M Adrian, Roberta Rasotto
A 4-year-old Irish Setter was presented with a history of progressive left pelvic limb lameness. Orthopedic examination revealed pain on manipulation of the left stifle. Radiographs showed an osteolytic lesion in the subchondral bone of the medial tibial condyle. Fine-needle aspirates were taken, and cytology revealed numerous cohesive clusters of plump, oval to spindloid cells often with perivascular distribution and moderate cellular atypia. A diagnosis of sarcoma was made with synovial cell sarcoma (SCS) and histiocytic sarcoma being the 2 main differentials...
February 6, 2018: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/29399389/pd-l1-and-pd-1-and-characterization-of-tumor-infiltrating-lymphocytes-in-high-grade-sarcomas-of-soft-tissue-prognostic-implications-and-rationale-for-immunotherapy
#7
Melanie Boxberg, Katja Steiger, Ulrich Lenze, Hans Rechl, Rüdiger von Eisenhart-Rothe, Klaus Wörtler, Wilko Weichert, Rupert Langer, Katja Specht
Therapies targeting programmed death 1-(PD-1) or its ligand (PD-L1), promoting antitumor T-cell activity have been successfully introduced into clinical practice. Clinical response correlates with PD-L1 expression by tumor cells or immune cells within the tumor microenvironment. The PD-L1/PD-1 axis and tumor microenvironment has been rarely studied in high-grade sarcomas of soft tissue (hSTS), a group of rare, genetically heterogenous and clinically aggressive tumors. We examined PD-L1 protein and CD274/PD-L1 gene copy number variations in 128 primary resected, therapy-naive hSTS using immunohistochemistry and fluorescence-in-situ hybridization...
2018: Oncoimmunology
https://www.readbyqxmd.com/read/29398803/therapy-related-aml-mds-following-treatment-for-childhood-cancer-experience-from-a-tertiary-care-centre-in-north-india
#8
Chintan Vyas, Sandeep Jain, Gauri Kapoor
Therapy-related acute myeloid leukemia/myelodysplastic syndrome (t-AML/MDS) is a devastating late effect of cancer treatment. There is limited data on incidence of t-AML/MDS from India. We retrospectively studied pediatric t AML/MDS at our institute between January 1996 and December 2015. Among 1285 children, 8 patients developed t-AML with a median age of 15.5 years. Overall incidence of t-AML/MDS was 0.62% [0.99% (4/402) in solid tumours and 0.45% (4/883) in leukemia/lymphoma, P = 0.26] with 6390 patient years of follow up...
January 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29384968/a-primary-gastric-synovial-sarcoma-a-case-report-and-literature-review-erratum
#9
(no author information available yet)
No abstract text is available yet for this article.
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29369219/a-primary-gastric-synovial-sarcoma-a-case-report-and-literature-review-erratum
#10
(no author information available yet)
No abstract text is available yet for this article.
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29357838/azgp1-inhibits-soft-tissue-sarcoma-cells-invasion-and-migration
#11
Jiayong Liu, Haibo Han, Zhengfu Fan, Marc El Beaino, Zhiwei Fang, Shu Li, Jiafu Ji
BACKGROUND: One of the major challenges in soft tissue sarcomas is to identify factors that predict metastasis. AZGP1 is a potential biomarker of cancer progression, but its value in soft tissue sarcomas remains unknown. The aim of this study is to determine the expression level of AZGP1 in soft tissue sarcomas, and to analyze its influence on tumor progression. METHODS: AZGP1 immunohistochemistry (IHC) and RT-PCR were performed in 86 patients with soft tissue sarcomas...
January 22, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29355742/intra-articular-synovial-sarcoma-of-the-knee-rising-from-a-lateral-meniscus-a-case-report
#12
M Bergovec, M Smerdelj, F Bacan, S Seiwerth, D Herceg, M Prutki
Synovial sarcoma (SS) is a rare mesenchymal tumor, accounting less than 10% of soft tissue sarcomas. We report a case of intraarticular SS mimicking nodular synovitis and lateral meniscus rupture. Due to clinical and radiological presentation, arthroscopic synovectomy was performed, and histology confirmed nodular synovitis. After four years the lesion recurred and new arthroscopic biopsy was performed, revealing a monophasic SS with SYT/SSX1 translocation. Repeated histology of the first specimen confirmed appearance of a nodular synovitis microscopically, with no morphological criteria for a sarcoma, but molecular analysis showed positive SYT/SSX1 translocation...
January 16, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29343880/novel-application-of-loop-mediated-isothermal-amplification-for-rapid-detection-of-gene-translocation
#13
Ibu Matsuzaki, Hideto Iguchi, Yurina Mikasa, Hiromu Morishita, Katsuya Okuda, Keita Nakaguchi, Yuki Mori, Yoshifumi Iwahashi, Kenji Warigaya, Masakazu Fujimoto, Fumiyoshi Kojima, Shin-Ichi Murata
Identification of fusion genes in cancer is essential for pathological diagnosis and clinical therapy. Although methods for detection of fusion genes, such as fluorescence in situ hybridization (FISH) and real-time polymerase chain reaction (PCR), have been developed in last two decades, these methods are not ideal for detection of these genetic alterations owing to their high cost and time-consuming procedures. In this study, we developed novel application for detection of gene translocations using loop-mediated isothermal amplification (LAMP)...
December 26, 2017: Acta Histochemica et Cytochemica
https://www.readbyqxmd.com/read/29340997/immunohistochemical-biomarkers-of-mesenchymal-neoplasms-in-endocrine-organs-diagnostic-pitfalls-and-recent-discoveries
#14
Yin P Hung, Jason L Hornick
Mesenchymal neoplasms rarely present in or adjacent to endocrine organs. In this context, the recognition of these rare tumor types can be challenging, with significant potential for misdiagnosis as sarcomatoid carcinomas (i.e., anaplastic thyroid carcinoma and sarcomatoid adrenal cortical carcinoma) or neuroendocrine carcinomas, depending upon the dominant histologic patterns. In this review, we address potential pitfalls in diagnosing selected mesenchymal neoplasms arising within or near endocrine organs, including dedifferentiated liposarcoma, synovial sarcoma, angiosarcoma, PEComa, proximal-type epithelioid sarcoma, Ewing sarcoma, and neuroblastoma...
January 16, 2018: Endocrine Pathology
https://www.readbyqxmd.com/read/29336183/postradiation-synovial-sarcoma-of-the-common-bile-duct-a-previously-unreported-anatomic-site
#15
Roberto Herrera-Goepfert
Synovial sarcoma is a ubiquitous neoplasm predominantly affecting soft tissues of young adults of any gender; few cases have been described in the digestive system, mostly in the stomach. The (X;18)(p11.2; q11.2) translocation yields unique SS18-SSX fusion genes. Synovial sarcoma has been related to radiotherapy, but no synovial sarcoma has been associated with the digestive system. This article describes the case of a synovial sarcoma arising along the extrahepatic biliary tree, 10 years after the application of an abdominal radiotherapy schedule due to a retroperitoneal metastatic seminoma in a male who developed progressive obstructive jaundice...
January 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29330072/chronic-thigh-pain-in-a-young-adult-diagnosed-as-synovial-sarcoma-a-case-report
#16
Lauren A Chambers, John M Lesher
Synovial sarcoma is a slow growing, intermediate to high grade neoplasm with extensive metastatic potential. Accurate diagnosis of synovial sarcoma may pose a challenge to providers because of its indolent growth and variable presentation. The findings of a soft-tissue, periarticular mass with calcifications in a young patient are highly suggestive of synovial sarcoma. Although different imaging modalities can aid in the diagnosis of synovial sarcoma, diagnostic certainty is typically only confirmed by biopsy and histological analysis...
January 9, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29329114/synovial-sarcomas-of-the-upper-aero-digestive-tract-is-there-a-role-for-conservative-surgery
#17
Alberto Paderno, Alessandro Gronchi, Cesare Piazza
PURPOSE OF REVIEW: To present the current state of knowledge concerning the role of conservative surgery in the treatment of synovial sarcomas of the upper aero-digestive tract (UADT). RECENT FINDINGS: The wider experience on synovial sarcomas involving the extremities and the results of retrospective reports focused on head and neck synovial sarcomas tend to justify a conservative surgical approach when dealing with tumors involving the UADT. SUMMARY: UADT synovial sarcomas is an extremely rare clinical entity (only around 50 cases reported in the literature, with four more herein presented from our own surgical series), with no clear guidelines concerning its treatment...
January 11, 2018: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/29325767/primary-synovial-sarcoma-arising-from-gingivo-buccal-sulcus-harbouring-ss18-ssx2-positive-fusion-transcript-the-1st-reported-case-in-english-literature
#18
Tanush Vig, Meera Thomas, Rekha Pai, Amit Jiwan Tirkey, Rajnikanth Janakiraman
Synovial sarcoma (SS) is a mesenchymal tumour of uncertain histiogenesis that can show dual epithelial and mesenchymal differentiation. Thought to arise predominantly in deep soft tissue of extremities, these sarcomas have shown that they can affect a wide variety of organs and sites, however intraoral mucosal SS is rarely encountered and herein the authors present possibly the second reported case of a young lady presenting with a slow growing tumour arising in the gingivo-buccal sulcus that was reported as Synovial sarcoma on biopsy and subsequently confirmed using molecular studies, tumour demonstrating SS18-SSX2 fusion transcript...
January 8, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29325251/-extrapleural-solitary-fibrous-tumor-with-uncommon-histology-a-clinicopathologic-analysis-of-7-cases
#19
M Zhao, Z R Yang, Y B Wang, Y Chen, G W Qi, Y J Yan, W J Xu, G Q Ru, X L He
Objective: To investigate the clinicopathologic characteristics, immunophenotypes, and differential diagnostic features of extra-pleural solitary fibrous tumor (SFT) with uncommon histology. Methods: Seven cases of extra-pleural SFT with uncommon histology were collected during January 2015 and December 2016 in Zhejiang Provincal People's Hospital; the clinical and radiologic features, histomorphology, immunophenotype and prognosis were analyzed. EnVision method was used for immunohistochemical staining of STAT6, CD34 and other differential diagnosis associated markers...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29313287/primary-gastric-synovial-sarcoma-mimicking-a-gastrointestinal-stromal-tumor-gist-gastric-synovial-sarcoma
#20
Griffin Olsen, Eliza W Beal, Sheryl Pfeil, Mary Dillhoff
No abstract text is available yet for this article.
January 8, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
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