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https://www.readbyqxmd.com/read/29775030/-endoscopic-transnasal-approach-for-surgical-treatment-of-skull-base-clival-area-chordomas-report-of-2-cases
#1
J Ma, P Fang, D Wang, Y J Liu
The case 1 performanced submandibular trauma because of the faint Suddenly. There were no obvious abnormality in physical examination. CT result showed that the tumour located in the lower clivus, and the atlas was infringed. MRI imaging showed the tumour located in the both sides of the internal carotid artery, infringed clivus and atlas front, forwarded into the nasal cavity and oral cavity. The case 2 performanced the left nose stuffy and increased gradually, nasopharyngeal mirror showed the left nasal cavity filled with new life...
February 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29769644/translational-models-of-prostate-cancer-bone-metastasis
#2
REVIEW
Richard B Berish, Aymon N Ali, Patrick G Telmer, John A Ronald, Hon S Leong
Metastatic disease is the principal cause of prostate-cancer-related mortality. Our ability to accurately recapitulate the spread of prostate cancer to bone - the most common site of metastasis - is critical to the development of novel metastasis-directed therapies. Several translational models of prostate cancer bone metastasis have been developed, including animal models, cell line injection models, 3D in vitro models, bone implant models, and patient-derived xenograft models. The use of these models has led to numerous advances in elucidating the molecular mechanisms of metastasis and innovations in targeted therapy...
May 16, 2018: Nature Reviews. Urology
https://www.readbyqxmd.com/read/29766246/comparison-of-68-ga-ga-psma-11-pet-ct-with-18-f-naf-pet-ct-in-the-evaluation-of-bone-metastases-in-metastatic-prostate-cancer-patients-prior-to-radionuclide-therapy
#3
Christian Uprimny, Anna Svirydenka, Josef Fritz, Alexander Stephan Kroiss, Bernhard Nilica, Clemens Decristoforo, Roland Haubner, Elisabeth von Guggenberg, Sabine Buxbaum, Wolfgang Horninger, Irene Johanna Virgolini
AIM: The purpose of this study was to investigate the diagnostic performance of 68 Ga-PSMA-11 PET/CT in the evaluation of bone metastases in metastatic prostate cancer (PC) patients scheduled for radionuclide therapy in comparison to [18 F]sodium fluoride (18 F-NaF) PET/CT. METHODS: Sixteen metastatic PC patients with known skeletal metastases, who underwent both 68 Ga-PSMA-11 PET/CT and 18 F-NaF PET/CT for assessment of metastatic burden prior to radionuclide therapy, were analysed retrospectively...
May 16, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29764822/numb-chin-syndrome-an-ominous-sign-of-mandibular-metastasis
#4
Abdul Razak, Bee See Goh, Jothi Raamahlingam Rajaran, Abd Jabar Nazimi
A 51-year-old woman a known case of stage 2 breast carcinoma in 2006 and underwent left mastectomy performed in the same year presented with bilateral lower limb pain suggestive of spinal pathology, and left chin numbness, both of 2 weeks' duration. Examination revealed left mandibular hypoesthesia without any other sign or symptoms. Orthopantomogram was unremarkable apart from mild alveolar bone expansion at tooth 36 area, which was extracted 3 months earlier. Subsequently, a full-body positron emission tomography contrast enhanced computer tomography revealed hypermetabolic lesions of her axial (excluding skull) and appendicular skeleton...
May 14, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29764701/a-combination-of-skeletal-deformations-of-the-dorsal-mandible-and-temporomandibular-region-detected-in-orthopantomograms-of-patients-with-neurofibromatosis-type-1-indicates-an-associated-ipsilateral-plexiform-neurofibroma
#5
Reinhard E Friedrich, Anika Reul
PURPOSE: Neurofibromatosis type 1 (NF1) is a tumour suppressor syndrome and also a bone disease. In the craniofacial region, local skeletal deformities have been recorded in patients with NF1. Obvious syndrome-related alterations of the jaws are particularly conspicuous in the mandible. Here we aimed to analyse the mandibular alterations of NF1-affected individuals from orthopantomograms (OPGs). MATERIALS AND METHODS: This study analyses 358 OPGs of 358 patients (mean age, 34...
April 26, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29764500/the-role-of-initial-18-f-fdg-pet-ct-in-the-management-of-patients-with-suspected-extramedullary-plasmocytoma
#6
Linqi Zhang, Xu Zhang, Qiao He, Rusen Zhang, Wei Fan
BACKGROUND: Extramedullary plasmacytoma (EMP) is a plasma cell malignancy that originates in soft tissues without evidence of systemic spread, and its management differs from other plasma cell neoplasms. The purpose of the present study was to evaluate the role of initial 18 F-FDG PET/CT in the management of patients with clinical suspected EMP. METHODS: 18 F-FDG PET/CT scans performed in 21 patients (M/F = 12/9, mean age 51.1 ± 15.3 years) with clear suspicion of EMP from 2006 to 2015 were analysed retrospectively...
May 15, 2018: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/29761837/augmentation-of-the-cytotoxic-effects-of-nitrogen-containing-bisphosphonates-in-hypoxia
#7
Tetsuya Minegaki, Saya Koiki, Yutaro Douke, Chihiro Yamane, Ai Suzuki, Misato Mori, Masayuki Tsujimoto, Kohshi Nishiguchi
OBJECTIVES: Tumour hypoxia is a major obstacle in cancer therapy that leads to poor prognosis. Therefore, the development of cancer treatments that are effective in hypoxia is necessary. Nitrogen-containing bisphosphonates (N-BPs), which are used to treat bone disease, are cytotoxic to several cancer cells in normoxia. Therefore, we investigated the cytotoxicity of N-BPs in cancer cells in hypoxia. METHODS: We studied the cytotoxicities of N-BPs, statins and anticancer drugs in human cancer cells under hypoxic conditions (1% O2 )...
May 15, 2018: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/29761734/functional-effects-of-trka-inhibition-on-system-x-c-mediated-glutamate-release-and-cancer-induced-bone-pain
#8
Tanya Miladinovic, Robert G Ungard, Katja Linher-Melville, Snezana Popovic, Gurmit Singh
Breast cancer cells release the signalling molecule glutamate via the system xC - antiporter, which is upregulated to exchange extracellular cystine for intracellular glutamate to protect against oxidative stress. Here, we demonstrate that this antiporter is functionally influenced by the actions of the neurotrophin nerve growth factor on its cognate receptor tyrosine kinase, TrkA, and that inhibiting this complex may reduce cancer-induced bone pain via its downstream actions on xCT, the functional subunit of system xC - ...
January 2018: Molecular Pain
https://www.readbyqxmd.com/read/29760166/the-role-of-il-1b-in-breast-cancer-bone-metastasis
#9
Claudia Tulotta, Penelope Dawn Ottewell
Approximately 75% of patients with late stage breast cancer will develop bone metastasis. This condition is currently considered incurable and patients' life expectancy is limited to 2-3 years following diagnosis of bone involvement. IL-1B is a pro-inflammatory cytokine whose expression in primary tumours has been identified as a potential biomarker for predicting breast cancer patients at increased risk for developing bone metastasis. In this Review, we discuss how IL-1B from both the tumour cells and the tumour microenvironment influence growth of primary breast tumours, dissemination into the bone metastatic niche and proliferation into overt metastases...
May 14, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29759151/circulating-tumour-dna-for-detecting-minimal-residual-disease-in-multiple-myeloma
#10
REVIEW
Trevor J Pugh
Circulating tumor DNA faithfully recapitulates somatic mutations detected in bone marrow aspirates from patients with newly diagnosed or relapsed or recurrent myeloma. Extending these methods to enable detection of minimal residual disease will require increased sensitivity and breadth of genomic assays to maximize information content from small quantities of cell-free DNA; as well as definition of a clinically meaningful ctDNA concentration in comparison with conventional bone marrow cell-count thresholds...
January 2018: Seminars in Hematology
https://www.readbyqxmd.com/read/29755120/heterogeneous-mycn-amplification-in-neuroblastoma-a-siop-europe-neuroblastoma-study
#11
Ana P Berbegall, Dominik Bogen, Ulrike Pötschger, Klaus Beiske, Nick Bown, Valérie Combaret, Raffaella Defferrari, Marta Jeison, Katia Mazzocco, Luigi Varesio, Ales Vicha, Shifra Ash, Victoria Castel, Carole Coze, Ruth Ladenstein, Cormac Owens, Vassilios Papadakis, Ellen Ruud, Gabriele Amann, Angela R Sementa, Samuel Navarro, Peter F Ambros, Rosa Noguera, Inge M Ambros
BACKGROUND: In neuroblastoma (NB), the most powerful prognostic marker, the MYCN amplification (MNA), occasionally shows intratumoural heterogeneity (ITH), i.e. coexistence of MYCN-amplified and non-MYCN-amplified tumour cell clones, called heterogeneous MNA (hetMNA). Prognostication and therapy allocation are still unsolved issues. METHODS: The SIOPEN Biology group analysed 99 hetMNA NBs focussing on the prognostic significance of MYCN ITH. RESULTS: Patients <18 months (18 m) showed a better outcome in all stages as compared to older patients (5-year OS in localised stages: <18 m: 0...
May 14, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29754133/solitary-calvarial-haemangioma-presenting-as-metastatic-renal-cell-carcinoma
#12
Calver Pang, Yew Loong Loo, Robert Corns, Rasheed Mohammed
Renal cell carcinoma is the most common renal tumour in adult that often metastasises to the lung, liver or bone. Head and neck lesions are uncommon with no early warning signs and presents with overt metastases at primary presentation in 25%-30% of reported cases. The incidence of haemangiomas that suggest malignancy are similar to that of bone metastasis. Calvarial haemangiomas usually present as asymptomatic and discovered incidentally on imaging or postmortem examination. We report a case where an initial diagnosis of benign tumour of the skull was made based on clinical presentation and calvarial haemangioma on CT head but was confirmed as metastatic clear cell carcinoma of the kidney after histopathological results...
May 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29752180/-177-lu-psma-617-radionuclide-treatment-in-patients-with-metastatic-castration-resistant-prostate-cancer-lupsma-trial-a-single-centre-single-arm-phase-2-study
#13
Michael S Hofman, John Violet, Rodney J Hicks, Justin Ferdinandus, Sue Ping Thang, Tim Akhurst, Amir Iravani, Grace Kong, Aravind Ravi Kumar, Declan G Murphy, Peter Eu, Price Jackson, Mark Scalzo, Scott G Williams, Shahneen Sandhu
BACKGROUND: Progressive metastatic castration-resistant prostate cancer is a highly lethal disorder and new effective therapeutic agents that improve patient outcomes are urgently needed. Lutetium-177 [177 Lu]-PSMA-617, a radiolabelled small molecule, binds with high affinity to prostate-specific membrane antigen (PSMA) enabling beta particle therapy targeted to metastatic castration-resistant prostate cancer. We aimed to investigate the safety, efficacy, and effect on quality of life of [177 Lu]-PSMA-617 in men with metastatic castration-resistant prostate cancer who progressed after standard treatments...
May 7, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29741203/peptide-receptor-radionuclide-therapy-for-advanced-gastroenteropancreatic-neuroendocrine-tumors-from-oncology-perspective
#14
Agnieszka Kolasińska-Ćwikła, Anna Łowczak, Katarzyna Maciejkiewicz Maciejkiewicz, Jarosław Bogdan Ćwikła
Peptide Receptor Radionuclide Therapy (PRRT) is a form of molecular targeted therapy which is performed by using a small peptide (somatostatin analogue - SSA) that is coupled with a radionuclide beta emitting radiation. PRRT is a nuclear medicine for the systemic treatment of non-resectable, metastasized well/moderately differentiated, neuroendocrine tumours (NET) with overexpression of somatostatin receptor. These types of tumours include gastroenteropancreatic neoplasm (GEP-NENs), e.g. arising from the small bowel (often called carcinoid tumours), the pancreas, duodenum or stomach, but also from the large bowel or the lung and many other tissues (so called diffuse neuroendocrine system)...
2018: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/29739381/angiopoietin-like-4-promotes-osteosarcoma-cell-proliferation-and-migration-and-stimulates-osteoclastogenesis
#15
T Zhang, A Kastrenopoulou, Q Larrouture, N A Athanasou, H J Knowles
BACKGROUND: Osteosarcoma is the most common primary bone cancer in children and young adults. It is highly aggressive and patients that present with metastasis have a poor prognosis. Angiopoietin-like 4 (ANGPTL4) drives the progression and metastasis of many solid tumours, but has not been described in osteosarcoma tissue. ANGPTL4 also enhances osteoclast activity, which is required for osteosarcoma growth in bone. We therefore investigated the expression and function of ANGPTL4 in human osteosarcoma tissue and cell lines...
May 8, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29737459/safety-of-intra-articular-transplantation-of-lentivirally-transduced-mesenchymal-stromal-cells-for-haemophilic-arthropathy-in-a-non-human-primate
#16
Tsukasa Ohmori, Hiroaki Mizukami, Yuko Katakai, Sho Kawai, Hitoyasu Nakamura, Makoto Inoue, Tsugumine Shu, Hideharu Sugimoto, Yoichi Sakata
Joint bleeding and resultant arthropathy are major determinants of quality of life in haemophilia patients. We previously developed a mesenchymal stromal cell (MSC)-based treatment approach for haemophilic arthropathy in a mouse model of haemophilia A. Here, we evaluated the long-term safety of intra-articular injection of lentivirally transduced autologous MSCs in non-human primates. Autologous bone-marrow-derived MSCs transduced with a lentiviral vector expressing coagulation factor VIII (FVIII) were injected into the left knee joint of cynomolgus monkeys...
May 8, 2018: International Journal of Hematology
https://www.readbyqxmd.com/read/29734509/efficacy-of-cryoablation-to-control-cancer-pain-a-systematic-review
#17
REVIEW
Laura Ferrer-Mileo, Ana Isabel Luque Blanco, Jesús González-Barboteo
CONTEXT: The use of opioids to control cancer pain could be insufficient. Interventional techniques such as a cryoablation have emerged as alternatives to opioids. OBJECTIVES: To summarize the current scientific evidence on the use of cryoablation to control cancer pain. METHODS: A systematic search of the Scopus, Pubmed, and Cochrane databases was performed. All articles published before December 31, 2015 whose title or abstract specified cancer pain control as endpoint were selected...
May 7, 2018: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29731799/beware-of-bone-marrow-incidental-detection-and-primary-diagnosis-of-solid-tumours-in-bone-marrow-aspiration-and-biopsies-a-study-of-22-cases
#18
Ruchita Tyagi, Aminder Singh, Bhavna Garg, Neena Sood
Background & objective: Introduction: First detection of any solid tumour as metastatic deposits in bone marrow directs clinicians to start searching for the primary tumour. Detection of bone marrow metastasis determines the stage of the malignancy, prognosis, mode of treatment, chemotherapeutic response and follow-up in case of relapse. The aim of the current study was to analyse the clinico-haematological presentation and morphological pattern of infiltration of solid tumours detected first as metastatic deposits on bone marrow examination...
2018: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/29730771/custom-design-and-biomechanical-analysis-of-3d-printed-peek-rib-prostheses
#19
Jianfeng Kang, Ling Wang, Chuncheng Yang, Lei Wang, Cao Yi, Jiankang He, Dichen Li
A tumour resection normally involves a large tissue resection and bone replacement. Polyether ether ketone (PEEK) has become a suitable candidate for use in various prostheses owing to its lightness in weight, modulus close to that of natural bone, and good biocompatibility, among other factors. This study proposes a new design method for a rib prosthesis using the centroid trajectory of the natural replaced rib, where the strength can be adjusted by monitoring the cross-sectional area, shape, and properties...
May 5, 2018: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/29728144/a-prospective-study-to-evaluate-the-intra-individual-reproducibility-of-bone-scans-for-quantitative-assessment-in-patients-with-metastatic-prostate-cancer
#20
Mariana Reza, Reza Kaboteh, May Sadik, Anders Bjartell, Per Wollmer, Elin Trägårdh
BACKGROUND: The Bone Scan Index (BSI) is used to quantitatively assess the total tumour burden in bone scans of patients with metastatic prostate cancer. The clinical utility of BSI has recently been validated as a prognostic imaging biomarker. However, the clinical utility of the on-treatment change in BSI is dependent on the reproducibility of bone scans. The objective of this prospective study is to evaluate the intra-patient reproducibility of two bone scan procedures performed at a one-week interval...
May 4, 2018: BMC Medical Imaging
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