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https://www.readbyqxmd.com/read/29773426/stem-cell-transcription-factor-sox2-in-synovial-sarcoma-and-other-soft-tissue-tumors
#1
Heba Zayed, Iver Petersen
BACKGROUND: SOX2 has gained considerable interest as a pluripotency inducing gene. Co-transfection of SOX2 together with NANOG, KLF4 and c-MYC into adult fibroblasts was able to generate pluripotent stem cells. SOX2 has been reported to be expressed in synovial sarcoma, a tumor being characterized by the SS18-SSX gene fusion forming part of the SWI/SNF chromatin remodeling complex that affects histone methylation. The role of SOX2 in this tumor type as well as other soft tissue tumor entities however is still poorly characterized...
May 4, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29773331/novel-use-of-viewray-mri-guidance-for-high-dose-rate-brachytherapy-in-the-treatment-of-cervical-cancer
#2
Huaising C Ko, Jessie Y Huang, Jessica R Miller, Rupak K Das, Charles R Wallace, Anna-Maria A De Costa, David M Francis, Margaret R Straub, Bethany M Anderson, Kristin A Bradley
PURPOSE: To characterize image quality and feasibility of using ViewRay MRI (VR)-guided brachytherapy planning for cervical cancer. METHODS AND MATERIALS: Cervical cancer patients receiving intracavitary brachytherapy with tandem and ovoids, planned using 0.35T VR MRI at our institution, were included in this series. The high-risk clinical target volume (HR-CTV), visible gross tumor volume, bladder, sigmoid, bowel, and rectum contours for each fraction of brachytherapy were evaluated for dosimetric parameters...
May 14, 2018: Brachytherapy
https://www.readbyqxmd.com/read/29772061/an-image-guided-radiotherapy-decision-support-framework-incorporating-a-bayesian-network-and-visualization-tool
#3
Catriona Hargrave, Timothy Deegan, Tomasz Bednarz, Michael Poulsen, Fiona Harden, Kerrie Mengersen
PURPOSE: To describe a Bayesian network (BN) and complementary visualization tool, that aim to support decision-making during online cone-beam computed tomography (CBCT)-based image guide radiotherapy (IGRT) for prostate cancer patients. METHODS: The BN was created to represent relationships between observed prostate, proximal seminal vesicle (PSV), bladder and rectum volume variations, an image feature alignment score (FASTV _ OAR ), delivered dose and treatment plan compliance (TPC)...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29771825/complex-scalp-and-calvarium-defects-after-giant-basal-cell-carcinoma-excision-management-challanges-outcomes
#4
Utku Ozcan, Mustafa Akyurek, Emrah Arslan
Giant basal cell carcinoma (GBCC) is defined as a tumor ≥5 cm in diameter. GBCC of scalp usually requires extended resection of soft tissues, calvarium, and dura. In this study, we present 5 patients with GBCC of head, who underwent a single-stage combined scalp, calvarium, and dural reconstruction. Herein, we aim to discuss reconstruction methods, cerebrospinal fluid (CSF) leakage, duration of hospital stay, and tumor recurrency. Peroperative and postoperative follow-ups, defect areas, and performed calvarium reconstruction methods of 5 patients, who underwent complex scalp and calvarium reconstruction after GBCC between year 2010 and 2017, were retrospectively maintained...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29770995/adolescent-and-young-adult-oncology-patients-in-france-heterogeneity-in-pathways-of-care
#5
Emmanuel Desandes, Laurence Brugières, Florence Molinié, Gautier Defossez, Patricia Delafosse, Karine Jehannin-Ligier, Michel Velten, Brigitte Trétarre, Brice Amadéo, Emilie Marrer, Anne-Sophie Woronoff, Olivier Ganry, Alain Monnereau, Tania d'Almeida, Xavier Troussard, Laetitia Daubisse-Marliac, Simona Bara, Anne-Valérie Guizard, Isabelle Baldi, Guy Launoy, Jacqueline Clavel, Brigitte Lacour
BACKGROUND: In order to evaluate at the population level the impact of the actions developed in France since 2004 to organize the care of adolescents and young adults (AYAs) with cancer, we conducted the present study to provide an unbiased view of the pathway of care of these patients. METHODS: Using a population-based registry, we conducted a review of all cases of cancer diagnosed during 2012 and 2013 in 15- to 24-year-old patients living in nineteen French administrative areas...
May 17, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29770232/long-term-follow-up-of-adamantinoma-of-the-tibia-complicated-by-metastases-and-a-second-unrelated-primary-cancer-a-case-report-and-literature-review
#6
Brendan R Southam, Alvin H Crawford, David A Billmire, James Geller, Daniel Von Allmen, Adam P Schumaier, Sara Szabo
Adamantinoma is a rare, low-grade malignant tumor of the bone which grows slowly and typically occurs in the diaphysis of long bones, particularly in the tibia. Adamantinomas have the potential for local recurrence and may metastasize to the lungs, lymph nodes, or bone. We report a case of a 14-year-old female with a tibial adamantinoma who underwent wide resection with limb salvage and has subsequently been followed up for 18 years. The patient went on to have both a local soft tissue recurrence 5 years after the resection and metastases to both an inguinal lymph node and the right lower lobe of the lung 8 years after that recurrence, all of which have been treated successfully with marginal resections...
2018: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29768053/quality-of-life-and-patients-expectations-in-soft-tissue-sarcoma
#7
Robin L Jones, Axel Le Cesne
Assessment of health-related quality of life (HRQoL) is essential for holistic care. Greater efforts are required to incorporate HRQoL measures into clinical trials and daily practice. Considerable HRQoL data are available for localized soft tissue sarcomas (STS), particularly in the orthopedic setting. In future, HRQoL is expected to become increasingly important in the evaluation of palliative therapy in advanced STS. A patient-centric approach is advocated for STS management. Greater awareness of STS by nonspecialist clinicians, and timely referral to specialized sarcoma reference centers, is crucial for patient welfare...
May 2018: Future Oncology
https://www.readbyqxmd.com/read/29768052/options-for-treating-different-soft-tissue-sarcoma-subtypes
#8
Isabelle Ray-Coquard, Delphine Serre, Peter Reichardt, Javier Martín-Broto, Sebastian Bauer
Management of soft tissue sarcoma is increasingly subtype-dependent. Surgery is recommended for uterine leiomyosarcoma, with trabectedin being the preferred option for advanced disease when the treatment goal is long-term tumor stabilization. Liposarcoma subgroups are characterized by distinctive morphologies and genetics, different patterns of disease progression and clinical behavior, and variable responses to treatment. Genetic analysis of sarcomas has provided insights into pathogenesis with potential for developing new molecular targets...
May 2018: Future Oncology
https://www.readbyqxmd.com/read/29768051/the-key-role-of-pathology-surgery-and-radiotherapy-in-the-initial-management-of-soft-tissue-sarcoma
#9
Angelo Paolo Dei Tos, Sylvie Bonvalot, Rick Haas
Soft tissue sarcomas are a heterogeneous group of rare malignancies. The diagnostic gold standard is conventional histomorphology with integrated immunohistochemistry. Molecular genetic profiling has identified new subgroups of undifferentiated sarcomas involving genetic rearrangements with creation of fusion genes. Accurate classification of sarcomas is critical for appropriate clinical decision-making which should involve a multidisciplinary team. A preoperative biopsy is necessary to confirm a diagnosis...
May 2018: Future Oncology
https://www.readbyqxmd.com/read/29768050/getting-up-to-date-in-the-management-of-soft-tissue-sarcoma
#10
Jean-Yves Blay
Surgery (+ radiation therapy in selected cases) is standard treatment for adult-type localized soft tissue sarcoma (STS). Accumulating randomized clinical evidence also supports adjuvant chemotherapy as a treatment option, although this remains contentious. Doxorubicin (± ifosfamide) is the standard first-line systemic treatment for advanced STS; however, newer chemotherapeutic agents may improve outcomes achieved with single-agent doxorubicin. In a Phase II study, adding olaratumab to doxorubicin markedly improved overall survival...
May 2018: Future Oncology
https://www.readbyqxmd.com/read/29765420/a-feasible-method-of-angiogenesis-assessment-in-gastric-cancer-using-3d-microvessel-density
#11
Lu Zhang, Fei Zheng, Zhigang Peng, Zijing Hu, Zhi Yang
Background: Cancer stem cell (CSC) promotes angiogenesis which plays an important role in tumor occurrence, growth, and metastasis. Accurately, quantifying the tumor vasculature can help understanding CSC characteristics and improve cancer diagnosis, therapy planning, and evaluation. The objective of this study is to present a method for improved angiogenesis assessment. Methods: We proposed a three-dimensional microvessel density (3D MVD) to evaluate tumor angiogenesis and tested it in animal models...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29764790/a-case-of-inverted-papilloma-of-the-mastoid-cavity-after-cholesteatoma-surgery
#12
Goh Eui-Kyung, Cho Ilyoung, Oh Se-Joon, Choi Sung-Won, Kim Young-Keum
An inverted papilloma is a benign neoplasm that occurs exclusively in the sinonasal cavity; an inverted papilloma involving the mastoid cavity is extremely rare. We present the case of a patient with an inverted papilloma of the mastoid cavity secondary to cholesteatoma surgery. No case that occurred after acquired cholesteatoma has been reported in literature. A 39-year-old female who was diagnosed with cholesteatoma was treated with a modified radical mastoidectomy in 1988. After recurrence, the patient underwent a canal wall down mastoidectomy in 2006...
April 2018: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29764408/congenital-rhabdomyosarcoma-a-different-clinical-presentation-in-two-cases
#13
Ida Russo, Virginia Di Paolo, Carmelo Gurnari, Angela Mastronuzzi, Francesca Del Bufalo, Pier Luigi Di Paolo, Angela Di Giannatale, Renata Boldrini, Giuseppe Maria Milano
BACKGROUND: Rhabdomyosarcoma (RMS), one of the most common soft tissue sarcomas of childhood, is very rare in the neonatal period (0.4-2% of cases). In order to gain a deeper understanding of this disease at such age, patient and tumor features, as well as treatment modality and outcome need to be reported. CASE PRESENTATION: We describe two cases with congenital RMS treated at Bambino Gesù Children's Hospital between 2000 and 2016. They represent only 2.24% of all RMS patients diagnosed during that period in our Institution; this data is in agreement with the incidence reported in the literature...
May 15, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29762195/functional-outcomes-and-complications-after-oncologic-reconstruction-of-the-proximal-humerus
#14
Sjoerd Nota, Teun Teunis, Joost Kortlever, Marco Ferrone, John Ready, Mark Gebhardt, Kevin Raskin, Francis Hornicek, Joseph Schwab, Santiago Lozano Calderon
BACKGROUND: No consensus exists on the best method of articular reconstruction in patients who require proximal humerus resection for the management of primary bone sarcomas, soft-tissue sarcomas extending into the bone, benign and locally aggressive primary bone tumors, and metastatic disease. METHODS: We identified patients from two institutions who underwent wide resection of the proximal humerus along with oncologic reconstruction using osteoarticular allografts (OAs), endoprostheses, or allograft-prosthesis composites...
June 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29759128/autoimmunity-mimics-infection-and-malignancy
#15
REVIEW
Jeffrey C Eickhoff, Angelique N Collamer
Musculoskeletal rheumatic syndromes are commonly encountered in the primary care setting. A plethora of commonly encountered and rare infectious agents can produce osteoarticular and soft tissue manifestations. Likewise, malignancies may manifest rheumatic symptoms via direct tumor invasion or paraneoplastic effects. Awareness of these diseases and their clinical risk factors should result in improved screening and earlier recognition and intervention, leading to improved long-term outcomes and overall patient care...
June 2018: Primary Care
https://www.readbyqxmd.com/read/29757721/spectrum-of-extratesticular-and-testicular-pathologic-conditions-at-scrotal-mr-imaging
#16
Pardeep K Mittal, Ahmed S Abdalla, Argha Chatterjee, Deborah A Baumgarten, Peter A Harri, Jay Patel, Courtney C Moreno, Helena Gabriel, Frank H Miller
Diagnostic workup of scrotal lesions should begin with a complete clinical history and physical examination, including analysis of risk factors such as family history of testicular cancer, personal history of tumor in the contralateral testis, and cryptorchidism, followed by imaging. Scrotal ultrasonography (US) with a combination of gray-scale and color Doppler techniques has been the first-line imaging modality for evaluation of testicular and extratesticular lesions because of its low cost, wide availability, and high diagnostic accuracy...
May 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29757719/providing-mr-imaging-for-cervical-cancer-brachytherapy-lessons-for-radiologists
#17
Thomas Sullivan, Joseph H Yacoub, Matthew M Harkenrider, William Small, Murat Surucu, Steven M Shea
Brachytherapy (BT), the use of a locally placed or implanted radioactive source for treatment of an adjacent tumor, is an important component in the treatment of patients with both early- and advanced-stage cervical cancer and is increasingly part of the standard treatment protocol. When it is feasible, many radiation oncologists choose to include a magnetic resonance (MR) imaging examination for planning BT treatment (ie, an MR imaging examination after placement of the applicator but before radiation dosing)...
May 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29756228/comparison-of-ultrasonographic-findings-of-schwannomas-and-angioleiomyomas
#18
Dai Ogata, Masaaki Takeji, Takuo Murakami, Hiroto Yanagisawa, Akira Kuramochi, Tetsuya Tsuchida
A subcutaneous tumor accompanied by tenderness has a myriad of differential diagnoses. Indeed, using physical findings alone to achieve a diagnosis is often challenging. In this study, we focused on schwannomas and angioleiomyomas, which usually develop as hard subcutaneous tumors and are often associated with tenderness. We aimed to determine significant differentiating features between the tumor types, using ultrasonography. We compared clinical findings and ultrasonographic imaging and calculated the statistical significance for each item...
May 14, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29755686/transcriptome-based-individualized-therapy-of-refractory-pediatric-sarcomas-feasibility-tolerability-and-efficacy
#19
Bushra Weidenbusch, Günther H S Richter, Marie Sophie Kesper, Monika Guggemoos, Katja Gall, Carolin Prexler, Ilya Kazantsev, Alexandra Sipol, Lars Lindner, Michaela Nathrath, Olaf Witt, Katja Specht, Frigga Beitinger, Carolin Knebel, Stuart Hosie, Rüdiger von Eisenhardt-Rothe, Wilko Weichert, Irene Teichert-von Luettichau, Stefan Burdach
Survival rates of pediatric sarcoma patients stagnated during the last two decades, especially in adolescents and young adults (AYAs). Targeted therapies offer new options in refractory cases. Gene expression profiling provides a robust method to characterize the transcriptome of each patient's tumor and guide the choice of therapy. Twenty patients with refractory pediatric sarcomas (age 8-35 years) were assessed with array profiling: ten had Ewing sarcoma, five osteosarcoma, and five soft tissue sarcoma. Overexpressed genes and deregulated pathways were identified as actionable targets and an individualized combination of targeted therapies was recommended...
April 17, 2018: Oncotarget
https://www.readbyqxmd.com/read/29755278/orbital-tumor-associated-with-a-microphthalmic-eye-and-colobomatous-cleft-pilocytic-astrocytoma-glioma-or-massive-retinal-gliosis
#20
Rita Van Ginderdeuren, Rafael Sciot, Ilse Mombaerts
A 11-year-old boy with congenital microphthalmos of the right eye presented with gradual protrusion of his ocular prosthesis. MRI showed an orbital mass adjacent to the microphthalmic eye. After removal of the eye and the orbital soft tissue mass a gliotic mass, resembling a pilocytic astrocytoma WHO grade 1 (glioma) was diagnosed. Through a colobomatous cleft in the eye the tumour spread in the orbit. There were no clinical signs of neurofibromatosis 1. This case showed a very rare association between a microphthalmic and colobomatous eye and pilocytic astrocytoma, grade 1...
January 2018: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
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