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Soft tissue sarcomas

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https://www.readbyqxmd.com/read/29333281/controversies-and-consensus-of-neoadjuvant-chemotherapy-in-soft-tissue-sarcomas
#1
Herbert H Loong, Kwan-Hung Wong, Teresa Tse
Together with surgery and radiotherapy, systemic treatment with cytotoxic chemotherapy and molecular targeted agents is one of the main therapeutic pillars in the treatment of soft-tissue sarcomas and is the mainstay of treatment in patients with advanced or metastatic disease. Unlike other more common malignancies such as breast and colorectal cancer, the role of chemotherapy when used in the adjuvant setting in soft-tissue sarcomas is less well defined. Results from prior studies have been conflicting, in part due to the heterogeneity and rarity of the disease, and large-scale meta-analysis has been performed to address this issue...
2018: ESMO Open
https://www.readbyqxmd.com/read/29330072/chronic-thigh-pain-in-a-young-adult-diagnosed-as-synovial-sarcoma-a-case-report
#2
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/29327709/insm1-expression-and-its-diagnostic-significance-in-extraskeletal-myxoid-chondrosarcoma
#3
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/29325767/primary-synovial-sarcoma-arising-from-gingivo-buccal-sulcus-harbouring-ss18-ssx2-positive-fusion-transcript-the-1st-reported-case-in-english-literature
#4
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
#5
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/29324933/brachytherapy-in-soft-tissue-tumours-an-interdisciplinary-challenge
#6
Silvanie Volz, Konstantinos Kalousis, Jung In Song, Tobias Kisch, Eike Wenzel, Peter Mailänder
OBJECTIVE: Interdisciplinary work including surgery and additive radiotherapy is often needed for the therapy of tumours. Beneath this, brachytherapy is an important part of the radiotherapy. It was first used over 100 years ago and is in regular use after the development of afterload technology in the early 1970s. Today it is often used in different tumour therapies, for example in soft tissue sarcoma or breast tumours, in order to decrease the risk of local recurrence. Concerning its benefits, higher doses could be used because of the localized effect with equivalent local control rate and less toxicity of treatment...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29323080/recurrent-leiomyosarcoma-scrotum-an-important-differential-in-scrotal-masses
#7
Ranjan Agrawal, Miti Gupta, Nitesh Mohan, Jagdamba Sharan, Parbodh Kumar
Soft tissue sarcomas of the genitourinary tract are rare. Paratesticular sarcomas are extremely rare with majority of scrotal masses localizing to the testis and being neoplastic in nature. Paratesticular leiomyosarcomas (LMSs) are located in the spermatic cord, epididymis, or scrotum. However, their location in the scrotal skin or subcutaneous tissue is extremely rare. Only 10 cases have been reported from India previously. Ours is the 11th case. A 50-year-old male presented with a recurrent scrotal mass which was painless and gradually increasing in size...
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29321818/ews-fli-1-creates-a-cell-surface-microenvironment-conducive-to-igf-signaling-by-inducing-pappalysin-1
#8
Panneerselvam Jayabal, Peter J Houghton, Yuzuru Shiio
Ewing sarcoma is an aggressive cancer of bone and soft tissue in children with poor prognosis. It is characterized by the chromosomal translocation between EWS and an Ets family transcription factor, most commonly FLI-1. EWS-FLI-1 fusion accounts for 85% of Ewing sarcoma cases. EWS-FLI-1 regulates the expression of a number of genes important for sarcomagenesis, can transform NIH3T3 and C3H10T1/2 cells, and is necessary for proliferation and tumorigenicity of Ewing sarcoma cells, suggesting that EWS-FLI-1 is the causative oncoprotein...
November 2017: Genes & Cancer
https://www.readbyqxmd.com/read/29320751/uterine-rhabdomyosarcoma-in-adults
#9
Andre Pinto, Ryan M Kahn, Andrew E Rosenberg, Brian Slomovitz, Charles Matthew Quick, Michella K Whisman, Marilyn Huang
Rhabdomyosarcoma (RMS) is an aggressive mesenchymal tumor most commonly diagnosed in the pediatric population, and when occurring in adults, tends to develop in the deep soft tissue of the limbs. Primary uterine RMS comprises an even more restricted subset, with little known or reported when compared to most other gynecologic sarcomas. Our goal with this study was to retrospectively evaluate cases from two academic institutions and describe the main histopathologic findings of this rare gynecologic malignancy...
January 7, 2018: Human Pathology
https://www.readbyqxmd.com/read/29318934/increased-incidence-of-cancer-in-systemic-lupus-erythematosus-a-finnish-cohort-study-with-more-than-25-years-of-follow-up
#10
K R Tallbacka, T Pettersson, E Pukkala
OBJECTIVE: The aim of this study was to assess the cancer risk in a cohort of Finnish patients with systemic lupus erythematosus (SLE) when followed over the long term. METHOD: The cohort consisted of 182 female and 23 male SLE patients treated at the Helsinki University Central Hospital from 1967 to 1987. The cohort was linked to the Finnish Cancer Registry and followed for cancer incidence from 1967 to 2013. Standardized incidence ratios (SIRs) were calculated by dividing the number of observed cases by the number of expected cases for different types of cancer...
January 10, 2018: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/29316425/hedgehog-pathway-drives-fusion-negative-rhabdomyosarcoma-initiated-from-non-myogenic-endothelial-progenitors
#11
Catherine J Drummond, Jason A Hanna, Matthew R Garcia, Daniel J Devine, Alana J Heyrana, David Finkelstein, Jerold E Rehg, Mark E Hatley
Rhabdomyosarcoma (RMS) is a pediatric soft tissue sarcoma that histologically resembles embryonic skeletal muscle. RMS occurs throughout the body and an exclusively myogenic origin does not account for RMS occurring in sites devoid of skeletal muscle. We previously described an RMS model activating a conditional constitutively active Smoothened mutant (SmoM2) with aP2-Cre. Using genetic fate mapping, we show SmoM2 expression in Cre-expressing endothelial progenitors results in myogenic transdifferentiation and RMS...
January 8, 2018: Cancer Cell
https://www.readbyqxmd.com/read/29315173/factors-associated-with-acute-and-chronic-wound-complications-in-patients-with-soft-tissue-sarcoma-with-long-term-follow-up
#12
Naveen Karthik, Matthew C Ward, Aditya Juloori, Jacob Scott, Nathan Mesko, Chirag Shah
OBJECTIVES: To identify the rates of acute and chronic wound complications and factors associated in a cohort of patients treated for soft tissue sarcoma (STS) with modern radiotherapy (RT) and surgical techniques. MATERIALS AND METHODS: An Institutional Review Board-approved database was used to identify all adult nonmetastatic patients treated for STS at a single institution between 2006 and 2015 with a minimum follow-up of 1 year. Factors associated with acute and chronic wound complications were analyzed using binomial logistic regression including interaction terms...
January 8, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29314300/low-grade-fibromyxoid-sarcoma-arising-within-the-median-nerve
#13
Amy A Swanson, Caterina Giannini, Andrew L Folpe, Daniel L Van Dyke, Kimberly K Amrami, William A Michalak, Rachael A Vaubel
We report a case of low-grade fibromyxoid sarcoma arising within the median nerve. A 31-year-old woman presented with symptoms of carpal tunnel syndrome and an enlarging mass in her right palm over 1 year. MRI demonstrated a mass associated with the right median nerve with solid and cystic components. At surgery, the mass was located within the epineurium, could be bluntly dissected from the nerve fascicles, and was suspected to be a schwannoma. A 3.4 cm, tan-pink, glistening, smooth, homogenous mass was submitted to pathology...
January 3, 2018: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29312631/proteomic-approach-toward-determining-the-molecular-background-of-pazopanib-resistance-in-synovial-sarcoma
#14
Zhiwei Qiao, Kumiko Shiozawa, Tadashi Kondo
Pazopanib, a multitarget tyrosine kinase (TK) inhibitor, has been approved for treatment of soft tissue sarcoma. Elucidation of the molecular background of pazopanib resistance should lead to improved clinical outcomes in sarcomas; accordingly, we investigated this in synovial sarcoma using a proteomic approach. Pazopanib sensitivity was examined in four synovial sarcoma cell lines: SYO-1, HS-SYII, 1273/99, and YaFuSS. The 1273/99 cell line showed significantly higher IC50 values than the others for pazopanib...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29302306/alveolar-soft-part-sarcoma-of-flexure-tendon
#15
Chatchai Pruksapong, Kantang Satayasoontorn
Alveolar soft part sarcoma (ASPS) is a very rare sarcoma, report <1% of all soft tissue tumor. Majority of cases were young adult and tumor occurred in lower extremities and trunk. Here, we present a case of 53-year-old Thai female with rapidly glowing mass over her right forearm. The magnetic resonance imaging scan demonstrated a hypervascular mass with multiple feeding vessels located in flexure tendon of right forearm. Ultrasound-guided biopsy revealed malignant poorly differentiated epithelioid neoplasm with clear cell feature and focal necrosis...
December 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29300189/bcor-ccnb3-fusion-positive-sarcomas-a-clinicopathologic-and-molecular-analysis-of-36-cases-with-comparison-to-morphologic-spectrum-and-clinical-behavior-of-other-round-cell-sarcomas
#16
Yu-Chien Kao, Adepitan A Owosho, Yun-Shao Sung, Lei Zhang, Yumi Fujisawa, Jen-Chieh Lee, Leonard Wexler, Pedram Argani, David Swanson, Brendan C Dickson, Christopher D M Fletcher, Cristina R Antonescu
BCOR-CCNB3 sarcoma (BCS) is a recently defined genetic entity among undifferentiated round cell sarcomas, which was initially classified as and treated similarly to the Ewing sarcoma (ES) family of tumors. In contrast to ES, BCS shows consistent BCOR overexpression, and preliminary evidence suggests that these tumors share morphologic features with other tumors harboring BCOR genetic alterations, including BCOR internal tandem duplication (ITD) and BCOR-MAML3. To further investigate the pathologic features, clinical behavior, and their relationship to other round cell sarcomas, we collected 36 molecularly confirmed BCSs for a detailed histologic and immunohistochemical analysis...
October 25, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29297565/prognostic-role-of-xtp1-depdc1b-and-sdp35-depdc1a-in-high-grade-soft-tissue-sarcomas
#17
Serena Pollino, Maria Serena Benassi, Laura Pazzaglia, Amalia Conti, Nicoletta Bertani, Alberto Righi, Martina Piccinni-Leopardi, Piero Picci, Roberto Perris
BACKGROUND: The outcome of patients with metastatic soft tissue sarcoma (STS) remains unfavourable and new therapeutic strategies are needed. The aim of this study was to determine the role of RhoGAP, XTP1/DEPDC1B and SDP35/DEPDC1A, as possible prognostic markers, to be used to identify candidate patients for more effective and personalized therapies. MATERIALS-METHODS: SDP35/DEPDC1A and XTP1/DEPDC1B transcriptional levels were evaluated by Real-Time PCR in 86 primary STS and 22 paired lung metastasis...
January 3, 2018: Histology and Histopathology
https://www.readbyqxmd.com/read/29290414/anaplastic-kaposi-s-sarcoma-5-cases-of-a-rare-and-aggressive-type-of-kaposi-s-sarcoma
#18
M Chapalain, G Goldman-Lévy, N Kramkimel, A Carlotti, N Franck, C Lheure, V Audard, M-F Avril, A-G Marcelin, D Damotte, B Terris, S Aractingi, N Dupin
BACKGROUND: Anaplastic Kaposi's sarcoma (KS) is a rare form of KS characterized clinically by the development of a tumour mass with unusual local aggressiveness and histologically by a specific architecture and cytological morphology. A very small number of limited series in endemic countries have established characteristics common to these anaplastic forms of KS. We present five patients with an anaplastic form in a context of KS ongoing for several years in a non-endemic country. MATERIALS AND METHODS: We collected 5 cases of anaplastic KS followed in our department over a period of 20years...
December 28, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29286964/lymphaticovenous-anastomoses-for-lymphedema-complicated-by-severe-lymphorrhea-following-resection-of-soft-tissue-sarcomas-of-the-adductor-compartment-a-report-of-two-cases
#19
Hiroshi Kobayashi, Takuya Iida, Takumi Yamamoto, Masachika Ikegami, Yusuke Shinoda, Sakae Tanaka, Hirotaka Kawano
CASE: Lymphedema and lymphorrhea are major causes of wound complications after the resection of soft-tissue sarcomas in the adductor compartment of the thigh. We report 2 cases of successful treatment of lymphedema and lymphorrhea, which had been refractory to nonoperative treatment, with use of lymphaticovenous anastomosis (LVA) and intraoperative indocyanine green lymphography after the resection of a sarcoma in the adductor compartment. CONCLUSION: These 2 cases highlight that LVA can be a useful and minimally invasive alternative to myocutaneous flaps for the treatment of wound complications caused by lymphedema and lymphorrhea after surgery for soft-tissue sarcomas in the adductor compartment of the thigh...
October 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29286582/alveolar-soft-part-sarcoma-in-children-and-adolescents-the-european-paediatric-soft-tissue-sarcoma-study-group-prospective-trial-epssg-nrsts-2005
#20
Bernadette Brennan, Ilaria Zanetti, Daniel Orbach, Soledad Gallego, Nadine Francotte, Max Van Noesel, Anna Kelsey, Michela Casanova, Gian Luca De Salvo, Gianni Bisogno, Andrea Ferrari
BACKGROUND: As alveolar soft part sarcomas (ASPS) are rare with no prospective series within pediatric sarcoma trials, the European Paediatric Soft Tissue Sarcoma Study Group (EpSSG) examined the clinical data and outcomes of ASPS enrolled in a multinational study of nonrhabdomyosarcoma soft tissue sarcomas (NRSTS). PATIENTS AND METHODS: Twenty-two patients with ASPS were enrolled into the EpSSG NRSTS 2005 study. After surgical resection, subsequent treatment depended on the stratification of patients for completeness of resection and Intergroup Rhabdomyosarcoma Study (IRS) stage, size, and French Federation of Cancer Centres Sarcoma Group (FNCLCC) grade...
December 29, 2017: Pediatric Blood & Cancer
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