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Synovial cell sarcoma

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https://www.readbyqxmd.com/read/27914109/bcor-upregulation-in-a-poorly-differentiated-synovial-sarcoma-with-ss18l1-ssx1-fusion-a-pathologic-and-molecular-pitfall
#1
Yu-Chien Kao, Yun-Shao Sung, Lei Zhang, Samuel Kenan, Samuel Singer, William D Tap, David Swanson, Brendan C Dickson, Cristina R Antonescu
The diagnosis of poorly differentiated synovial sarcoma (PD-SS) may be challenging due to overlapping morphologic features with other undifferentiated round cell sarcomas (URCS). Particularly relevant is the histologic overlap and shared BCOR overexpression between a subset of SS and URCS with various BCOR genetic abnormalities. Here we report a case of PD-SS lacking the canonical SS18-SSX gene fusion, but showing strong BCOR immunoreactivity and BCOR gene abnormalities by FISH which were misinterpreted as a URCS with BCOR gene rearrangements...
December 3, 2016: Genes, Chromosomes & Cancer
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
#2
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)...
November 28, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27897164/hmgb1-mediated-autophagy-decreases-sensitivity-to-oxymatrine-in-sw982-human-synovial-sarcoma-cells
#3
Yongsong Cai, Peng Xu, Le Yang, Ke Xu, Jialin Zhu, Xiaoqing Wu, Congshan Jiang, Qiling Yuan, Bo Wang, Yuanbo Li, Yusheng Qiu
Oxymatrine (OMT) is a type of alkaloid extracted from a traditional Chinese medicinal herb, Sophora flavescens. Although the antitumor activities of OMT have been observed in various cancers, there are no reports regarding the effects of OMT on human synovial sarcoma. In the present study, we analyzed the antitumor activities of OMT in SW982 human synovial sarcoma cells and determine whether high mobility group box protein 1 (HMGB1)-mediated autophagy was associated with its therapeutic effects. We found that OMT exhibited antitumor activity in SW982 cells and facilitated increases in autophagy...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27895882/primary-pleural-synovial-sarcoma-with-metastatic-cardiac-involvement-a-case-report
#4
Ji-Hye Won, Susie Chin, Jai Soung Park, Sang Hyun Paik, Heon Lee, Jang Gyu Cha, Hwa Kyoon Shin, Eun Suk Koh
Primary pleuropulmonary synovial sarcomas are rare soft tissue malignancies; combined metastatic involvement of the heart is extremely rare. In this case report, a 17-year-old female presented with a history of chest pain. Chest radiographs revealed a round mass in the left upper hemithorax, and computed tomography (CT) showed a well-defined heterogeneous enhancing mass abutting the pleura. A core needle biopsy revealed malignant spindle cells. Surgical resection was performed, and a final diagnosis of primary pleural synovial sarcoma, monophasic fibrous type, was made...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27879517/dux4-immunohistochemistry-is-a-highly-sensitive-and-specific-marker-for-cic-dux4-fusion-positive-round-cell-tumor
#5
Bradford Siegele, Jon Roberts, Jennifer O Black, Erin Rudzinski, Sara O Vargas, Csaba Galambos
The histologic differential diagnosis of pediatric and adult round cell tumors is vast and includes the recently recognized entity CIC-DUX4 fusion-positive round cell tumor. The diagnosis of CIC-DUX4 tumor can be suggested by light microscopic and immunohistochemical features, but currently, definitive diagnosis requires ancillary genetic testing such as conventional karyotyping, fluorescence in situ hybridization, or molecular methods. We sought to determine whether DUX4 expression would serve as a fusion-specific immunohistochemical marker distinguishing CIC-DUX4 tumor from potential histologic mimics...
November 22, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27779808/functional-and-therapeutic-relevance-of-hepatocyte-growth-factor-c-met-signaling-in-synovial-sarcoma
#6
Yoshinori Imura, Takaaki Nakai, Shutaro Yamada, Hidetatsu Outani, Satoshi Takenaka, Kenichiro Hamada, Nobuhito Araki, Kazuyuki Itoh, Hideki Yoshikawa, Norifumi Naka
Synovial sarcoma (SS) is an aggressive soft-tissue sarcoma with a poor prognosis and thus novel therapeutic strategies for SS are urgently required. In the present study, we investigated functional and therapeutic relevance of hepatocyte growth factor (HGF)/c-MET signaling in SS. Both HGF and c-MET were highly expressed in Yamato-SS cells, resulting in activation of c-MET and its downstream AKT and extracellular signal-regulated kinase signaling pathways, whereas c-MET was expressed but not activated in SYO-1 or HS-SY-II cells...
October 24, 2016: Cancer Science
https://www.readbyqxmd.com/read/27774755/fine-needle-aspiration-biopsy-of-prostate-synovial-sarcoma-a-case-report-and-review-of-the-literature
#7
Sara Maleki, Antonio Cajigas, Jason Moss, K H Ramesh, Samer Khader
We describe a case of synovial sarcoma originating from prostate gland. The diagnosis was confirmed by fluorescent in situ hybridization analysis (FISH) for SYT rearrangement on the cell block. Synovial sarcoma is a high grade soft tissue malignancy with exceedingly rare involvement of genitourinary tract. However this entity should be considered in the differential diagnosis when dealing with aspiration biopsies of particularly deep seated lesions with spindle cell or small round blue cell cytomorphology. Diagn...
October 24, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27753659/expression-of-tle-1-and-cd99-in-carcinoma-pitfalls-in-diagnosis-of-synovial-sarcoma
#8
Daniel J Zaccarini, Xiaobing Deng, Jamie Tull, Charlene Maciak, Alfredo L Valente, Shengle Zhang
The characteristic immunoprofile for the diagnosis of synovial sarcoma, a neoplasm of unclear tissue origin, is expression of transducer-like enhancer of split 1 (TLE-1), CD99, partial expression of cytokeratin, and epithelial membrane antigen by immunohistochemistry (IHC). Diagnostic dilemma or misdiagnosis can occur due to overlap in IHC and morphology with carcinomas, and particularly poorly differentiated and metastatic tumors. The frequency of TLE-1 and CD99 expression in carcinomas by IHC has not been previously assessed...
October 7, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27697479/primary-orbital-synovial-sarcoma-a-clinicopathologic-review-with-a-differential-diagnosis-and-discussion-of-molecular-genetics
#9
Anna M Stagner, Frederick A Jakobiec, Aaron Fay
Synovial sarcoma (SS) is a soft tissue sarcoma of the extremities developing in young adults that has rarely been reported in the orbit. SS is associated with a unique translocation, resulting in an SYT-SSX fusion gene. We analyze seven published periocular cases, together with the current one, to gain a better appreciation of the features of the tumor in this location and to compare the findings with those derived from non-ophthalmic studies. A 31-year-old woman developed an inferior orbital mass after experiencing periorbital and hemifacial pain for more than a decade...
September 30, 2016: Survey of Ophthalmology
https://www.readbyqxmd.com/read/27684804/a-case-report-of-pancreatic-metastasis-from-synovial-sarcoma-successfully-treated-by-metastasectomy-with-adjuvant-chemotherapy
#10
Yuki Makino, Minoru Shigekawa, Tadashi Kegasawa, Takahiro Suda, Teppei Yoshioka, Kiyoshi Iwahashi, Kenji Ikezawa, Ryotaro Sakamori, Takayuki Yakushijin, Jun Kajihara, Yoshito Tomimaru, Hidetoshi Eguchi, Yoshinori Imura, Hidetatsu Outani, Norifumi Naka, Keiichiro Honma, Eiichi Morii, Tomohide Tatsumi, Naoki Hiramatsu, Tetsuo Takehara
INTRODUCTION: Synovial sarcoma is a malignant soft tissue sarcoma which arises near joints. The most frequent metastasis sites of synovial sarcoma are the lungs, lymph nodes, and bone. Pancreatic metastasis is quite rare; only 3 cases have been reported worldwide to date. We herein present the 4th case of pancreatic metastasis from synovial sarcoma. METHODS AND RESULTS: A 32-year-old man underwent extended excision of synovial sarcoma in the left pelvis and femur in 2009...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27666549/-interventional-bronchoscopy-for-the-treatment-of-pulmonary-sarcoma
#11
Hongwu Wang, Nan Zhang, Dongmei Li, Hang Zou, Jieli Zhang, Yunzhi Zhou, Xiuyun Bai
BACKGROUND: Pulmonary sarcoma is a rare malignant tumor in soft tissues. Resection is the preferred option to treat this tumor. The aim of this study is to explore the effect of interventional bronchoscopies in the treatment of pulmonary sarcoma if the patient is inoperable. METHODS: Sixteen cases with pulmonary sarcoma were retrospectively reviewed in our hospital from November 2008 to July 2014. The mean age was (53.1±5.4) years old. Rigid bronchoscopy was applied for the first procedure with general anesthesia, and electronic bronchoscopy was used for the second procedure or slight patients...
September 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/27639272/lhrh-receptor-expression-in-sarcomas-of-bone-and-soft-tissue
#12
Chenthuran Deivaraju, H Thomas Temple, Norman Block, Philip Robinson, Andrew V Schally
AIM: Luteinizing hormone releasing hormone (LHRH) is a neurohormone, secreted by the hypothalamus, which regulates the secretion of gonadotropins, luteinizing hormone (LH) and follicle stimulating hormone (FSH) from the pituitary. LHRH acts by binding to receptors located in the pituitary gland. These receptors (LHRH receptors) have also been found in the cytoplasm of many tumor cells that involve both the reproductive and non-reproductive organs. These receptors have been demonstrated in prostate and breast cancers, endometrial carcinomas, renal cell carcinoma, lymphoma, carcinoma of liver, pancreas and skin...
November 1, 2016: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/27621098/primary-mediastinal-synovial-sarcoma-a-rare-case-report
#13
Reza Ershadi, Mohamadbagher Rahim, Hamidreza Davari
INTRODUCTION: Synovial sarcomas commonly occur in the extremities of young adults. A primary occurrence in the mediastinum is very rare with only a few reported cases in the world literature. We report a case of mediastinal synovial sarcoma. This paper is about a 47-year-old male who presented with retrosternal chest pain and shortness of breath on exertion. Imaging showed an anterior mediastinal mass. Pathological examination of the resected mass showed a biphasic neoplasm with a spindle cell component admixed with gland-like elements...
2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27603913/cancer-testis-antigens-expression-regulation-tumor-invasion-and-use-in-immunotherapy-of-cancers
#14
Arash Salmaninejad, Mohammad Reza Zamani, Mehrnaz Pourvahedi, Zahra Golchehre, Ali Hosseini Bereshneh, Nima Rezaei
UNLABELLED: Cancer/testis antigens (CTAs) are named based on their expression pattern that is restricted in a number of normal and abnormal tissues. Tumor cells frequently express antigens whose expression is typically restricted to germ cells. Their unique expression pattern is guaranteed by precise epigenetic regulatory mechanisms. Because of their tumor-limited, high immunogenicity, and biased expression, discovery of these molecules provides unprecedented opportunities for further research and clinical development in the field of cancer diagnosis and immunotherapy...
October 2016: Immunological Investigations
https://www.readbyqxmd.com/read/27600780/-a-new-who-classification-of-prostate-tumors
#15
G A Frank, Yu Yu Andreeva, L V Moskvina, G D Efremov, S I Samoilova
The paper reviews the 2016 WHO classification of prostate tumors, notes the alterations made, and describes approaches to the diagnosis of cancer types and grades. It also gives original photomicrographs from the authors' collection. The main alterations were as follows: - The types of prostate adenocarcinoma were added by pleomorphic giant-cell carcinoma; oncocytic (8290/3) and lymphoepithelial (8082/3) carcinomas were excluded. - Grade III prostatic intraepithelial neoplasia (PIN) was substituted for high grade PIN (8148/2)...
July 2016: Arkhiv Patologii
https://www.readbyqxmd.com/read/27591237/evaluation-of-minimal-disseminated-disease-in-cryopreserved-ovarian-tissue-from-bone-and-soft-tissue-sarcoma-patients
#16
M M Dolmans, Y Iwahara, J Donnez, M Soares, J L Vaerman, C A Amorim, H Poirel
STUDY QUESTION: What is the risk of finding malignant cells in cryopreserved ovarian tissue from sarcoma patients? SUMMARY ANSWER: Minimal disseminated disease (MDD) was not detected in frozen-thawed ovarian tissue from 26 patients by any of the sensitive methods applied. WHAT IS KNOWN ALREADY: In case of leukemia, the risk of malignant cell transmission through the graft is well known and widely documented. However, for bone cancer, like Ewing sarcoma or osteosarcoma, only a small number of case reports, have been published...
October 2016: Human Reproduction
https://www.readbyqxmd.com/read/27572315/identification-of-shcbp1-as-a-novel-downstream-target-gene-of-ss18-ssx1-and-its-functional-analysis-in-progression-of-synovial-sarcoma
#17
Changliang Peng, Hui Zhao, Wei Chen, Yan Song, Xiaoying Wang, Ji Li, Yong Qiao, Dongjin Wu, Shengzhong Ma, Xiuwen Wang, Chunzheng Gao
The SS18-SSX1 fusion gene has been shown to play important roles in the development of synovial sarcoma (SS), but the underlying molecular mechanisms and its downstream target genes are still not clear. Here SHC SH2-domain binding protein 1 (SHCBP1) was identified and validated to be a novel downstream target gene of SS18-SSX1 by using microarray assay, quantitative real-time (qPCR) and western blot. Expression of SHCBP1 was firstly confirmed in SS cell line and SS tissues. The effects of SHCBP1 overexpression or knockdown on SS cell proliferation and tumorigenicity were then studied by cell proliferation, DNA replication, colony formation, flow cytometric assays, and its in vivo tumorigenesis was determined in the nude mice...
August 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/27562494/etv4-is-a-useful-marker-for-the-diagnosis-of-cic-rearranged-undifferentiated-round-cell-sarcomas-a-study-of-127-cases-including-mimicking-lesions
#18
Sophie Le Guellec, Valérie Velasco, Gaëlle Pérot, Sarah Watson, Franck Tirode, Jean-Michel Coindre
Subsets of primitive round-cell sarcomas remain difficult to diagnose and classify. Among these is a rare round-cell sarcoma that harbors a CIC gene rearrangement known as CIC-rearranged undifferentiated round-cell sarcoma, which is most commonly fused to the DUX4 gene. Owing to its aggressive clinical behavior and potential therapeutic implications, accurate identification of this novel soft tissue sarcoma is necessary. Definitive diagnosis requires molecular confirmation, but only a few centers are as yet able to perform this test...
August 26, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27531040/cytology-of-bone
#19
REVIEW
Anne M Barger
Cytology of bone is a useful diagnostic tool. Aspiration of lytic or proliferative lesions can assist with the diagnosis of inflammatory or neoplastic processes. Bacterial, fungal, and protozoal organisms can result in significant osteomyelitis, and these organisms can be identified on cytology. Neoplasms of bone including primary bone tumors such as osteosarcoma, chondrosarcoma, fibrosarcoma, synovial cell sarcoma, and histiocytic sarcoma and tumors of bone marrow including plasma cell neoplasia and lymphoma and metastatic neoplasia can result in significant bone lysis or proliferation and can be diagnosed effectively with cytology...
January 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/27516790/primary-pulmonary-synovial-sarcoma-a-rare-neoplasm
#20
José Soro García, Montserrat Blanco Ramos, Eva María García Fontán, Miguel Ángel Cańizares Carretero, Ana González Pińeiro
Primary pulmonary synovial sarcoma is an extremely rare tumor with an unknown cause. The diagnosis is established after other primary lung malignancies or metastatic extrathoracic sarcoma have been excluded. We report the case of a 69-year-old man who presented with a well-defined mass in the right upper lobe on a chest X-ray. A video-assisted thoracoscopic surgery (VATS) right upper lobectomy was performed. Immunohistochemically, neoplastic cells were positive for vimentin, CD56 and Bcl-2, and focally positive for CD99, epithelial membrane antigen and cytokeratin 7 and 19...
June 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
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