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https://www.readbyqxmd.com/read/27906525/the-clinical-utility-of-qsm-disease-diagnosis-medical-management-and-surgical-planning
#1
REVIEW
Sarah Eskreis-Winkler, Yan Zhang, Jingwei Zhang, Zhe Liu, Alexey Dimov, Ajay Gupta, Yi Wang
Quantitative susceptibility mapping (QSM) is an MR technique that depicts and quantifies magnetic susceptibility sources. Mapping iron, the dominant susceptibility source in the brain, has many important clinical applications. Herein, we review QSM applications in the diagnosis, medical management, and surgical treatment of disease. To assist in early disease diagnosis, QSM can identify elevated iron levels in the motor cortex of amyotrophic lateral sclerosis patients, in the substantia nigra of Parkinson's disease (PD) patients, in the globus pallidus, putamen, and caudate of Huntington's disease patients, and in the basal ganglia of Wilson's disease patients...
December 1, 2016: NMR in Biomedicine
https://www.readbyqxmd.com/read/27906470/retrospective-evaluation-of-whole-body-computed-tomography-for-tumor-staging-in-dogs-with-primary-appendicular-osteosarcoma
#2
Jessica L Talbott, Sarah E Boston, Rowan J Milner, Amandine Lejeune, Carlos H de M Souza, Kelvin Kow, Nicholas J Bacon, Jorge A Hernandez
OBJECTIVE: To evaluate whole body computed tomography (CT) for staging canine appendicular osteosarcoma. STUDY DESIGN: Retrospective case series. ANIMALS: Client-owned dogs diagnosed with appendicular osteosarcoma (n=39). METHODS: Medical records for client-owned dogs diagnosed with appendicular osteosarcoma from August 2008 to July 2014 were reviewed. Dogs were included if they had a confirmed diagnosis of appendicular osteosarcoma and were staged using whole body CT...
December 1, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27905671/long-term-survivors-of-childhood-bone-and-soft-tissue-sarcomas-are-at-risk-of-hospitalization
#3
Cristian D Gonzalez, R Lor Randall, Jennifer Wright, Holly Spraker-Perlman, Jian Ying, Carol Sweeney, Ken R Smith, Anne C Kirchhoff
BACKGROUND: Childhood cancer survivors can have a high burden of chronic conditions related to cancer treatment, some of which are debilitating or potentially life-threatening. Much remains to be learned about late effects in bone and soft tissue sarcoma survivors. PROCEDURES: The Utah Cancer Registry was used to identify survivors of bone (N = 71) and soft tissue sarcomas (N = 98) who were diagnosed at ages 0-20 years between 1973 and 2007 and were alive at least 5 years after diagnosis...
December 1, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27904933/-metastatic-disease-in-long-bones-review-of-surgical-treatment-options
#4
Franz Liska, Philipp Schmitz, Norbert Harrasser, Peter Prodinger, Hans Rechl, Rüdiger von Eisenhart-Rothe
Surgery in metastatic bone disease is currently the most frequent type of surgery in orthopedic oncology. Improved survival rates and an increasing incidence of bone metastasis have led to an increase in complications caused by metastatic disease, such as pathological fractures or hardware failure after operative treatment. Although surgery of metastatic lesions remains a palliative therapy concept, because of sufficient therapy for the primary carcinomas, tumor-specific-oriented follow-up protocols and a variation in the prognosis for the individual entities, an individually adapted treatment strategy is necessary...
November 30, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27904730/intramedullary-nailing-for-pathological-fractures-of-the-proximal-humerus
#5
Eun-Seok Choi, Ilkyu Han, Hwan Seong Cho, In Woong Park, Jong Woong Park, Han-Soo Kim
BACKGROUND: Endoprosthetic reconstruction is widely applied for pathological fractures of the proximal humerus; however, functional impairment is usually unsatisfactory. The aims of the current study are to evaluate the reliability of interlocking intramedullary (IM) nailing with cement augmentation as a fixation method in proximal humeral lesions and to assess functional outcomes. METHODS: We reviewed 32 patients with pathological fractures of the proximal humerus who underwent interlocking IM nailing and cement augmentation...
December 2016: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/27904705/paclitaxel-suppresses-collagen-induced-arthritis-a-reevaluation
#6
Yi Zhao, Zhi-Fang Chang, Ru Li, Zhan-Guo Li, Xiao-Xia Li, Lin Li
OBJECTIVE: To reevaluate the suppressive effect of paclitaxel (PTX) liposome on collagen-induced arthritis (CIA) in rats and explore its mechanisms. METHODS: Female Lewis rats were immunized with bovine type II collagen (CII) to induce arthritis. The rats with CIA were randomly divided into three groups: 5% GS control group, 2.5 mg/kg PTX treatment group and 1 mg/kg methotrexate (MTX) positive control group. The drugs were administered by intraperitoneal injection on the second day after arthritis onset...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904684/ldhb-may-be-a-significant-predictor-of-poor-prognosis-in-osteosarcoma
#7
Chao Li, Yu Chen, Pingping Bai, Jiaqiang Wang, Zhenhui Liu, Tao Wang, Qiqing Cai
Osteosarcoma is the most common primary malignant bone tumor in children and young adults. Lactate dehydrogenase (LDH) is considered as the key glycolytic enzyme and involved in tumor initiation and metabolism. Here, we firstly found that LDHB was highly expressed in osteosarcoma cell lines. Expression profiling indicated that LDHB mRNA was elevated in osteosarcoma tissues with metastasis versus without metastasis, and LDHB high expression predicted a poor prognosis in patients. After LDHB knockdown by siRNA transfection, cell growth and proliferation were inhibited and presented a dose-dependent cell death via MTT assay...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904650/cabozantinib-in-the-treatment-of-advanced-renal-cell-carcinoma-clinical-trial-evidence-and-experience
#8
REVIEW
Jose Manuel Ruiz-Morales, Daniel Y C Heng
The treatment of metastatic renal cell carcinoma (mRCC) is rapidly changing. During first-line treatment with targeted therapy, patients ultimately develop resistance to therapy and the disease progresses. Recently, cabozantinib has demonstrated a better response rate, progression-free survival and overall survival compared with everolimus after failure of prior targeted therapy in patients with advanced or metastatic renal cell carcinoma (RCC). Cabozantinib is a small-molecule tyrosine kinase inhibitor (TKI)...
December 2016: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/27904047/protective-effect-of-deer-bone-oil-on-cartilage-destruction-in-rats-with-monosodium-iodoacetate-mia-induced-osteoarthritis
#9
Hyeon-Son Choi, Suji Im, Je Won Park, Hyung Joo Suh
The anti-osteoarthritic activity of the methanol fraction of deer bone oil extract (DBO-M) was evaluated in interleukin (IL)-1β-inflamed primary rabbit chondrocytes and in rats with monosodium iodoacetate (MIA)-induced osteoarthritis. The active compound in DBO-M was analyzed using a direct infusion liquid chromatography quadrupole (LCQ) ion-trap electrospray ionization (ESI)-mass spectrometer (MS). DBO-M significantly suppressed the IL-1β-induced sulfated-glycosaminoglycan (s-GAG) release from chondrocyte, and lowered mRNA levels of the collagen-degrading enzymes matrix metalloproteinase (MMP)-1 and MMP-3 in a dose-dependent manner...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27904045/puerarin-prevents-lps-induced-osteoclast-formation-and-bone-loss-via-inhibition-of-akt-activation
#10
Yun Zhang, Ming Yan, Qing-Feng Yu, Pei-Fan Yang, Hai-Dong Zhang, Yong-Hong Sun, Zhi-Fen Zhang, Yun-Feng Gao
Osteolysis induced by chronic Gram-negative bacterial infection underlies many bone diseases such as osteomyelitis, septic arthritis, and periodontitis. Drugs that inhibit lipopolysaccharide (LPS)-induced osteolysis are critically needed for the prevention of bone destruction in infective bone diseases. In this study, we assessed the effect of puerarin, a natural isoflavone isolated from Pueraria lobata OHWI root, on LPS-induced osteoclastogenesis and bone loss. Our in vitro study showed that puerarin significantly inhibited LPS-induced osteoclast differentiation from osteoclast precursor RAW264...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27904036/differential-regulation-of-lympho-myelopoiesis-by-stromal-cells-in-the-early-and-late-phases-in-balb-c-mice-repeatedly-exposed-to-lipopolysaccharide
#11
Isao Tsuboi, Tomonori Harada, Yoko Hirabayashi, Jun Kanno, Shin Aizawa
Chronic lipopolysaccharide (LPS) exposure to mice reduces the lymphoid compartment and skews the hematopoietic cell compartment toward myeloid-cells, which is considered to be a direct effect of LPS on hematopoietic stem cells. However, the effect of chronic LPS exposure on stromal-cells, which compose the hematopoietic microenvironment, has not been elucidated. Here, we investigated early- and late-phase effects of repeated LPS exposure on stromal-cells. During the early phase, when mice were treated with 5 or 25 µg LPS three times at weekly intervals, the numbers of myeloid-progenitor (colony forming unit-granulocyte macrophage (CFU-GM)) cells and B lymphoid-progenitor (CFU-preB) cells in the bone-marrow (BM) rapidly decreased after each treatment...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27903019/osteochondroma-presenting-as-a-calcified-mass-in-the-sellar-region-and-review-of-the-literature
#12
Kazuya Sekiguchi, Satoshi Tsutsumi, Sho Arai, Senshu Nonaka, Takamoto Suzuki, Hisato Ishii, Hiroshi Izumi, Yukimasa Yasumoto
Objective Osteochondroma (OC) is the most common benign bone neoplasm. It infrequently occurs in the cranial cavity as a calcified lesion and very rarely presents in the sellar region. The present study summarizes the knowledge about OCs of the sellar region. Methods We searched the literature search for the clinical appearance of OCs and other calcified pathologies occurring in the sellar region. Results A total of 21 English-language articles published from 1961 to 2015 documented cases of calcified lesions in the sellar region including cerebral aneurysm, chondroid chordoma, chondroma, craniopharyngioma, OC, odontome, osteoma, pituitary adenoma, pituitary stone, Rathke cleft cyst, retinoblastoma, schwannoma, and xanthogranuloma...
November 30, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27902883/metastatic-carotid-body-paraganglioma-of-lungs-and-lymph-nodes-unsuspected-diagnosis-on-ebus-tbna
#13
Kalpana Kumari, Deepali Jain, Rohit Kumar, Anant Mohan, Rakesh Kumar
Paragangliomas are tumors that originate from the extra-adrenal chromaffin and nonchromaffin cells of neural crest origin. Lymph node metastases are common, while distant metastases to lung, liver, and bone are rare events and usually occur in the presence of a long standing clinically evident primary tumor. Primary diagnosis of paraganglioma at a metastatic site without a known primary is a diagnostic challenge. We report a case of an adult woman with incidentally detected metastasis to bilateral lungs from an occult carotid body paraganglioma, which presented a cytopathological diagnostic dilemma on EBUS-TBNA from paratracheal lymph nodes...
November 30, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27902785/apoptosis-related-gene-expression-profiling-in-hematopoietic-cell-fractions-of-mds-patients
#14
Saskia Mc Langemeijer, Niccolo Mariani, Ruth Knops, Christian Gilissen, Rob Woestenenk, Theo de Witte, Gerwin Huls, Bert A van der Reijden, Joop H Jansen
Although the vast majority of patients with a myelodysplastic syndrome (MDS) suffer from cytopenias, the bone marrow is usually normocellular or hypercellular. Apoptosis of hematopoietic cells in the bone marrow has been implicated in this phenomenon. However, in MDS it remains only partially elucidated which genes are involved in this process and which hematopoietic cells are mainly affected. We employed sensitive real-time PCR technology to study 93 apoptosis-related genes and gene families in sorted immature CD34+ and the differentiating erythroid (CD71+) and monomyeloid (CD13/33+) bone marrow cells...
2016: PloS One
https://www.readbyqxmd.com/read/27901492/genomic-and-transcriptomic-characterization-of-skull-base-chordoma
#15
Jason K Sa, In-Hee Lee, Sang Duk Hong, Doo-Sik Kong, Do-Hyun Nam
Skull base chordoma is a primary rare malignant bone-origin tumor showing relatively slow growth pattern and locally destructive lesions, which can only be characterized by histologic components. There is no available prognostic or therapeutic biomarker to predict clinical outcome or treatment response and the molecular mechanisms underlying chordoma development still remain unexplored. Therefore, we sought out to identify novel somatic variations that are associated with chordoma progression and potentially employed as therapeutic targets...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27900264/a-genomic-study-on-distribution-of-human-leukocyte-antigen-hla-a-and-hla-b-alleles-in-lak-population-of-iran
#16
Farhad Shahsavar, Ali-Mohammad Varzi, Seyyed Amir Yasin Ahmadi
Anthropological studies based on the highly polymorphic gene, human leukocyte antigen (HLA), provide useful information for bone marrow donor registry, forensic medicine, disease association studies, as well as infertility treatment, designing peptide vaccines against tumors, and infectious or autoimmune diseases. The aim of this study was to determine HLA-A and HLA-B allele frequencies in 100 unrelated Lak/lᴂk/individuals from Lorestan province of Iran. Finally, we compared the results with that previously described in Iranian population...
March 2017: Genomics Data
https://www.readbyqxmd.com/read/27900101/neoplastic-fever-in-patients-with-bone-and-soft-tissue-sarcoma
#17
Tomoki Nakamura, Akihiko Matsumine, Takao Matsubara, Kunihiro Asanuma, Akihiro Sudo
The development of fever is a common complication in the clinical course of cancer. If all other potential causes of fever are excluded, the possibility of neoplastic fever should be considered. The aim of the present study was to determine the incidence of neoplastic fever in patients with bone and soft tissue sarcomas. Between January 2009 and December 2014, 195 patients with bone and soft tissue sarcoma (111 men and 84 women; mean age, 55 years) were admitted to the Department of Orthopaedic Surgery of Mie University Graduate School of Medicine (Tsu, Japan)...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27900098/clinical-effects-of-three-surgical-approaches-for-a-giant-cell-tumor-of-the-distal-radius-and-ulna
#18
Jing Zhang, Yi Li, Dongqi Li, Junfeng Xia, Su Li, Shunling Yu, Yedan Liao, Xiaojuan Li, Huilin Li, Zuozhang Yang
The aim of the present study was to assess the curative effects of three surgical approaches for a giant cell tumor (GCT) of the distal radius and ulna. A total of 27 patients with GCT on distal radius and ulnas (7 and 20, respectively), confirmed by biopsy, were treated with individualized treatment regimens, according to the Campanacci's grade system: i) Curettage plus inactivated tumor bed and allogeneic bone graft/bone cement augmentation for Campanacci's grade I GCT of the distal radius and ulna (Group A); ii) simple en bloc resection for Campanacci's grade II and III GCT of the distal ulna (Group B); iii) en bloc resection and reconstruction with non-vascularized fibular autograft/allogeneic bone graft for Campanacci's II and III GCT of the distal radius (Group C)...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27900094/malignant-transformation-of-hepatocellular-adenoma-with-bone-marrow-metaplasia-arising-in-glycogen-storage-disease-type-i-a-case-report
#19
Tomohiro Iguchi, Motoyuki Yamagata, Takashi Sonoda, Kimihiko Yanagita, Tetsuhiro Fukahori, Eiji Tsujita, Shinichi Aishima, Yoshinao Oda, Yoshihiko Maehara
Malignant transformation of hepatocellular adenoma (HA) is relatively rare and has been reported to be associated with dysregulation of the β-catenin pathway. The presence of bone marrow metaplasia in HA is an uncommon histological characteristic. The current report presents the case of a 46-year-old woman with glycogen storage disease type I (von Gierke's disease) who underwent resection of hepatocellular carcinoma (HCC) arising in a HA with associated bone marrow metaplasia producing three series of hematopoietic cells...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27900091/fibular-juxta-articular-ganglion-a-rare-case-report-and-literature-review
#20
Xiaobo Yan, Zhengliang Zhang, Nong Lin, Tao Xie, Zhaoming Ye
This is the case report of a 65-year-old man who experienced left calf pain after spraining his left ankle. On magnetic resonance imaging (MRI), a well-defined fluid collection was identified, with low intensity on T1-weighted images and very high intensity on T2-weighted images. On certain slices, a soft tissue mass in the proximal fibula was identified. Following resection of the fibular lesion, histological examination confirmed a benign tumor with cystic elements, described in the current pathology and radiology literature as juxta-articular myxoma...
November 2016: Molecular and Clinical Oncology
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