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https://www.readbyqxmd.com/read/28719736/cd326-epcam-testing-by-flow-cytometric-berep4-antibody-is-a-useful-and-rapid-adjunct-to-histopathology
#1
Pranav Dorwal, Helen Moore, Pam Stewart, Barbara Harrison, Julie Monaghan
Flow cytometry has been traditionally used to diagnose leukaemia and lymphoma in peripheral blood, bone marrow, body fluids and tissue samples. The diagnosis of a malignant epithelial tumour is usually made by correlation between histopathologic appearance and the use of immunohistochemical staining. A CE approved BerEP4 antibody (anti-EpCAM, CD326) is available for flow cytometric testing, but has been evaluated predominantly in body fluids in the current literature. In this study, we have evaluated the performance of this antibody in detecting the presence of epithelial cells in tissue samples which have traditionally been reported as CD45 negative cells by flow cytometry...
July 18, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28718006/-extracorporeal-irradiation-reimplantation-of-bone-segments-in-the-treatment-of-malignant-bone-tumours
#2
REVIEW
A H Krieg
BACKGROUND: Malignant bone tumors themselves and the wide resection required because of them may cause huge bone defects in the bone segment involved. Autologous bone grafts are a reliable option to cover these defects in many cases but their availability is limited. Besides common alternative reconstruction methods, including the use of allografts and/or prostheses, especially extracoroporeal irradiation (ECI) and reimplantation of the bone segment involved is attracting increasingly more attention nowadays...
July 17, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28717298/ameloblastic-carcinoma-a-rare-malignant-tumour-in-maxillofacial-region
#3
Pushkar Devidas Gawande, Kiran Khande, Gaurav Agrawal, Amita Aditya
Ameloblastic carcinoma (AC) is a rare malignant odontogenic tumor with poor prognosis. It has an aggressive clinical course with extensive local destruction. It occurs primarily in the mandible. It may clinically present as a cystic lesion with benign clinical feature or as a large mass with ulceration, significant bone resorption and mobility of teeth in the affected region. Reliable evidence of it's biological activity along with extensive local destruction, direct extension of tumor, lymph node involvement and metastasis to various sites (frequently lung) have been reported...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28716472/the-bone-lid-technique-in-oral-surgery-a-case-series-study
#4
S Sivolella, G Brunello, F Fistarol, E Stellini, C Bacci
The aim of this case series study was to illustrate the bone lid technique implemented using piezoelectric surgery to access mandibular alveolar bone diseases and to assess the clinical and radiographic outcomes. The technique was used to treat 21 consecutive patients with various conditions: cysts in six cases, impacted teeth with associated cysts in nine, keratocystic odontogenic tumours in three, impacted teeth in two, and an endodontic lesion in one. The bone lid was fashioned using piezoelectric surgery and a thin osteotomy insert...
July 14, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28712170/characteristics-and-outcomes-of-anaplastic-large-cell-lymphoma-patients-a-single-centre-experience
#5
Sohail Athar, Neelam Siddiqui, Abdul Hameed
BACKGROUND: Anaplastic large cell lymphoma (ALCL) is the second most common T cell lymphoma and 2% of all non-hodgkin lymphoma (NHL). It is an aggressive lymphoma with three subtypes, primary cutaneous ALCL, primary systemic ALK +ve ALCL and primary systemic ALK-ve ALCL depending upon rearrangement of Anaplastic Lymphoma Kinase (ALK) gene into ALK +ve and ALK -ve ALCL. Purpose of study is to determine the outcome of patients with ALCL treated at our institute. METHODS: In this retrospective analysis, 49 patients with ALCL from 2000 to 2012 were included...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28704837/hamburg-glasgow-classification-preoperative-staging-by-combination-of-disseminated-tumour-load-and-systemic-inflammation-in-oesophageal-carcinoma
#6
Matthias Reeh, Tarik Ghadban, Faik G Uzunoglu, Michael F Nentwich, Maximilian Bockhorn, Klaus Pantel, Jakob R Izbicki, Yogesh K Vashist
BACKGROUND: The aim of this study was to establish a new preoperative staging classification and evaluate its comparability to the post-operative tumour stage, lymph node invasion and metastasis (TNM) classification. To date, adequate, preoperative staging in patients with oesophageal carcinoma (EC) is still missing but urgently needed. Systemic inflammation and disseminated tumour load have a pivotal role in recurrence and oncological outcome. To improve the clinical staging, we merged the Glasgow Prognostic Score (GPS) and disseminated tumour cells (DTC) into a new sufficient preoperative staging classification, the Hamburg-Glasgow classification (HGC)...
July 13, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28704698/interventional-radiology-in-breast-cancer
#7
REVIEW
Lizbeth Moira Kenny, Franco Orsi, Andreas Adam
Molecular profiling of metastatic disease may greatly influence the systemic therapy recommended by oncologists and chosen by patients, allowing treatment to be more targeted. Comprehensive care of patients with advanced breast cancer now includes percutaneous image-guided biopsy if this has the potential to influence systemic treatment [1]. Interventional radiologists can contribute significantly to the care of patients affected by breast cancer, in diagnostic and supportive procedures and importantly also in treatment...
July 10, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28704298/titanium-mesh-cage-as-an-alternative-reconstruction-method-for-epiphyseal-sparing-tumour-resections-in-children
#8
Mehmet Ayvaz, Senol Bekmez, Altug Yucekul, Musa U Mermerkaya, A Mazhar Tokgozoglu
In this study, we introduced an alternative reconstruction option for epiphysis-sparing tumour resection in children. Eight patients with a malignant tumour in the diaphysis or metaphysis-diaphysis junction of a long bone underwent epiphysis-sparing intercalary resection. Reconstruction was performed using a titanium mesh cage filled with impacted cancellous bone allograft and autograft. A plate and screws were used to supplement the fixation. At the last follow-up, union was achieved in seven patients. Limb-length discrepancy occurred in three patients...
July 12, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28703220/tumour-induced-osteomalacia
#9
REVIEW
Salvatore Minisola, Munro Peacock, Seijii Fukumoto, Cristiana Cipriani, Jessica Pepe, Sri Harsha Tella, Michael T Collins
Tumour-induced osteomalacia (TIO), also known as oncogenic osteomalacia, is a rare paraneoplastic disorder caused by tumours that secrete fibroblast growth factor 23 (FGF23). Owing to the role of FGF23 in renal phosphate handling and vitamin D synthesis, TIO is characterized by decreased renal tubular reabsorption of phosphate, by hypophosphataemia and by low levels of active vitamin D. Chronic hypophosphataemia ultimately results in osteomalacia (that is, inadequate bone mineralization). The diagnosis of TIO is usually suspected when serum phosphate levels are chronically low in the setting of bone pain, fragility fractures and muscle weakness...
July 13, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28698647/identification-of-fbxl4-as-a-metastasis-associated-gene-in-prostate-cancer
#10
Elzbieta Stankiewicz, Xueying Mao, D Chas Mangham, Lei Xu, Marc Yeste-Velasco, Gabrielle Fisher, Bernard North, Tracy Chaplin, Bryan Young, Yuqin Wang, Jasmin Kaur Bansal, Sakunthala Kudahetti, Lucy Spencer, Christopher S Foster, Henrik Møller, Peter Scardino, R Tim Oliver, Jonathan Shamash, Jack Cuzick, Colin S Cooper, Daniel M Berney, Yong-Jie Lu
Prostate cancer is the most common cancer among western men, with a significant mortality and morbidity reported for advanced metastatic disease. Current understanding of metastatic disease is limited due to difficulty of sampling as prostate cancer mainly metastasizes to bone. By analysing prostate cancer bone metastases using high density microarrays, we found a common genomic copy number loss at 6q16.1-16.2, containing the FBXL4 gene, which was confirmed in larger series of bone metastases by fluorescence in situ hybridisation (FISH)...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28695563/bone-targeted-therapies-in-advanced-breast-cancer
#11
Ewelina Biskup, Fengfeng Cai, Marcus Vetter
Bone targeted therapies are of increasing importance, not only for bone health in the clinical course of breast cancer, but recently also in the adjuvant setting as preventative, anticancer and prognosis-improving agents. It is well established that women with advanced breast cancer receive bisphosphonates or denosumab to prevent therapy-related osteoporosis. As many as 70% of these patients suffer from bone metastases and receive bone targeted agents in order to prevent skeletal related events (SREs), which are debilitating or diminish the quality of life...
July 11, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28695356/what-are-the-differentiating-clinical-and-mri-features-of-enchondromas-from-low-grade-chondrosarcomas
#12
Hassan Douis, M Parry, S Vaiyapuri, A M Davies
OBJECTIVES: To evaluate the role of clinical assessment, conventional and dynamic contrast-enhanced MRI in differentiating enchondromas from chondrosarcomas of long bone. METHODS: The following clinical and MRI findings were assessed: age, gender, pain, pain attributable to lesion, tumour location, tumour length, presence, depth of endosteal scalloping, bone marrow oedema, soft tissue oedema, cortical destruction, periosteal reaction, bone expansion, macroscopic fat, calcification, soft tissue mass, haemorrhage, dynamic contrast-enhanced MRI...
July 10, 2017: European Radiology
https://www.readbyqxmd.com/read/28693897/connexins-important-players-in-the-dissemination-of-prostate-cancer-cells
#13
REVIEW
Jonathan Boucher, Arnaud Monvoisin, Justine Vix, Marc Mesnil, Dominique Thuringer, Françoise Debiais, Laurent Cronier
Over the past 50 years, increasing experimental evidences have established that connexins (Cxs) and gap junctional intercellular communication (GJIC) ensure an important role in both the onset and development of cancerous processes. In the present review, we focus on the impact of Cxs and GJIC during the development of prostate cancer (PCa), from the primary growth mainly localized in acinar glands and ducts to the distant metastasis mainly concentrated in bone. As observed in several other types of solid tumours, Cxs and especially Cx43 exhibit an ambivalent role with a tumour suppressor effect in the early stages and, conversely, a rather pro-tumoral profile for most of invasion and dissemination steps to secondary sites...
July 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28688724/pd-1-and-pd-l1-expression-in-bone-and-soft-tissue-sarcomas
#14
Alireza Torabi, Clarissa N Amaya, Frank H Wians, Brad A Bryan
PD-1 and its ligands have been shown to play a significant role in evasion of malignant tumour cells from the immune system. Last year, the Unites States Food and Drug Administration (FDA) approved anti-PD-1 inhibitors for treatment of non-small cell lung carcinoma and recently expanded the use of immunotherapy for metastatic urothelial cell carcinoma and Hodgkin lymphoma. However, studies on expression of PD-1 and its ligand in malignant bone and soft tissue sarcoma are sparse. In this study, we evaluated PD-1 and PD-L1 expression on variants of liposarcomas and rhabdomyosarcomas, osteosarcomas and chondrosarcomas...
July 5, 2017: Pathology
https://www.readbyqxmd.com/read/28685664/wide-resection-versus-curettage-with-adjuvant-therapy-for-giant-cell-tumour-of-bone
#15
Yang Yibo, Yao Maojin, Li Hui, Xiao Tao
No abstract text is available yet for this article.
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28683495/osteoimmunology-influence-of-the-immune-system-on-bone-regeneration-and-consumption
#16
Andreas Limmer, Dieter C Wirtz
Background Stimulating bone regeneration is a central aim in orthopaedic and trauma surgery. Although the replacement of bone with artificial materials like cement or apatite helps to keep up bone stability, new bone often cannot be regenerated. Increasing research efforts have led to the clinical application of growth factors stimulating bone growth (e.g. bone morphogenic protein, BMP) and inhibitors preventing bone consumption (e.g. RANKL blocking antibodies). These factors mostly concentrate on stimulating osteoblast or preventing osteoclast activity...
June 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28679368/non-vascularised-fibula-grafts-for-reconstruction-of-segmental-and-hemicortical-bone-defects-following-meta-diaphyseal-tumour-resection-at-the-extremities
#17
Ulrich Lenze, Stefanie Kasal, Fritz Hefti, Andreas Heinrich Krieg
BACKGROUND: The reconstruction of meta-/diaphyseal bone defects following bone tumour resection is challenging, and biological treatment options should be applied whenever possible, especially in benign lesions and early stage sarcomas. We aimed to evaluate the results of segmental (SR) and hemicortical reconstructions (HR) at the extremities using non-vascularised fibula grafts. METHODS: We retrospectively enrolled 36 patients who were treated with non-vascularised fibula reconstructions (15 SR, 21 HR) after bone tumour resection (15 malignant, 21 benign)...
July 5, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28677577/targeted-radionuclide-therapy-in-combined-modality-regimens
#18
REVIEW
Martin R Gill, Nadia Falzone, Yong Du, Katherine A Vallis
Targeted radionuclide therapy (TRT) is a branch of cancer medicine concerned with the use of radioisotopes, radiolabelled molecules, nanoparticles, or microparticles that either naturally accumulate in or are designed to target tumours. TRT combines the specificity of molecular and sometimes physical targeting with the potent cytotoxicity of ionising radiation. Targeting vectors for TRT include antibodies, antibody fragments, proteins, peptides, and small molecules. The diversity of available carrier molecules, together with the large panel of suitable radioisotopes with unique physicochemical properties, allows vector-radionuclide pairings to be matched to the molecular, pathological, and physical characteristics of a tumour...
July 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28674741/new-tumour-entities-in-the-4th-edition-of-the-world-health-organization-classification-of-head-and-neck-tumours-odontogenic-and-maxillofacial-bone-tumours
#19
REVIEW
Paul M Speight, Takashi Takata
The latest (4th) edition of the World Health Organization Classification of Head and Neck tumours has recently been published with a number of significant changes across all tumour sites. In particular, there has been a major attempt to simplify classifications and to use defining criteria which can be used globally in all situations, avoiding wherever possible the use of complex molecular techniques which may not be affordable or widely available. This review summarises the changes in Chapter 8: Odontogenic and maxillofacial bone lesions...
July 3, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28672871/pamidronate-conjugated-biodegradable-branched-copolyester-carriers-synthesis-and-characterization
#20
Ewa Oledzka, Dagmara Pachowska, Katarzyna Orłowska, Joanna Kolmas, Agata Drobniewska, Ramona Figat, Marcin Sobczak
The need for development of comprehensive therapeutic systems, (e.g., polymer-apatite composites) as a bone substitute material has previously been highlighted in many scientific reports. The aim of this study was to develop a new multifunctional composite based on hydroxyapatite porous granules doped with selenite ions (SeO₃(2-)) and a biodegradable branched copolymer-bisphosphonate conjugate as a promising bone substitute material for patients with bone tumours or bone metastasis. A series of biodegradable and branched copolymer matrices, adequate for delivery of bisphosphonate in the bone-deficient area were synthesized and physico-chemically and biologically (cyto- and genotoxicity assays) characterized...
June 26, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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