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https://www.readbyqxmd.com/read/28339788/intravenous-dendritic-cell-administration-enhances-suppression-of-lung-metastasis-induced-by-carbon-ion-irradiation
#1
Ken Ando, Hidetoshi Fujita, Akihiro Hosoi, Liqiu Ma, Masaru Wakatsuki, Ken-Ichiro Seino, Kazuhiro Kakimi, Takashi Imai, Takashi Shimokawa, Takashi Nakano
Carbon-ion radiotherapy (CIRT) is an advanced radiotherapy and has achieved good local control, even in tumors that are resistant to conventional photon beam radiotherapy (PBRT). However, distant metastasis control is an important issue. Recently, the combination of radiotherapy and immunotherapy has attracted the attention. In immunotherapy, dendritic cells (DCs) play a pivotal role in the anti-tumor immune system. However, the mechanisms underlying the combination therapy of DCs and radiotherapy have been unclear...
February 27, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28336457/synergistic-inhibition-of-migration-and-invasion-of-breast-cancer-cells-by-dual-docetaxel-quercetin-loaded-nanoparticles-via-akt-mmp-9-pathway
#2
Jing Li, Jun Zhang, Yiyue Wang, Xiao Liang, Zaitongguli Wusiman, Yunzhi Yin, Qi Shen
Metastasis impedes the successful chemotherapy for breast cancer. In this study, an Akt inhibitor (quercetin, Qu) was co-delivered with a chemotherapeutic agent (docetaxel, DTX) by using hyaluronic acid (HA)-modified nanoparticles (NPs) as vectors to block metastasis. Dual DTX/Qu-loaded HA/polylactic-co-glycolic acid-polyethyleneimine NPs (PP-HA/NPs) were prepared through a modified emulsion solvent evaporation technique. The particle size of PP-HA/NPs with narrow polydispersity was 209.8±10.8nm. Wound healing assay revealed that Qu co-delivery and HA modification elicited synergistic inhibitory effects on cell motility...
March 20, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28334868/pulmonary-metastasis-from-giant-cell-tumor-of-bone-clinical-outcome-prior-to-the-introduction-of-molecular-target-therapy
#3
Munehisa Kito, Seiichi Matusmoto, Keisuke Ae, Taisuke Tanizawa, Tabu Gokita, Hiroshi Kobayashi, Keiko Hayakawa, Yuki Funauchi
Objective: We analyzed the risk factors for pulmonary metastasis from giant cell tumor of bone and aimed to discuss their therapeutic strategy and appropriate follow-up period. Methods: We analyzed 141 patients of giant cell tumor of bone. The variables analyzed included age, gender, primary site, Campanacci grading, surgical treatment on the primary lesion, radiotherapy and local recurrence. Results: Pulmonary metastasis occurred in 12 patients...
March 4, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28332440/use-of-a-stent-graft-in-tumor-erosion-of-the-common-femoral-artery-with-life-threatening-bleeding
#4
Hong H Keo, Nicolas Diehm, Daniel Staub, Frederic Baumann
We report a case of a 56-year-old male patient with a life-threatening left common femoral artery bleeding due to tumor erosion. The patient had a history of advanced high-grade pleomorphic leiomyosarcoma of the left groin with pulmonary metastasis. Clinical examination revealed a massive tumor bulking at the left groin with necrosis and phleb- and lymphedema. Given the circumstances, open surgery was not possible. Thus, it was decided to treat the patient with an endovascular procedure. The postprocedural course was uneventful, the patient received blood product and was hemodynamically stable...
March 23, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28331170/-pathological-complete-response-of-metastatic-testicular-tumor-with-persistent-low-level-positive-human-chorionic-gonadotropin-after-chemotherapy
#5
Ryosuke Jikuya, Akihito Hashizume, Tomoyuki Tatenuma, Nobuhiko Mizuno, Kentaro Muraoka, Masaki Kawai, Akitoshi Takizawa, Takeshi Kishida
We describe a case of testicular tumor with multiple metastasis to the lung,retoroperitoneal lymph node, and brain. After chemotherapy the retroperitoneal lymph node and brain metastasis disappeared,but the multiple pulmonary metastases but not disappear,although they were reduced in size. Since the human chorionic gonadotoropin (HCG) was persistently dected at a low level,we performed a testosterone tolerance test. The HCG level became undetectable for a while,but was detected at a low level again. Then the patient underwent residual tumor removal of some of the residual pulmonary disease,which was diagnosed as tumor necrosis...
March 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28327204/lung-adenocarcinoma-with-thyroid-metastasis-a-case-report
#6
A Dao, H Jabir, A Taleb, N Benchakroun, Z Bouchbika, T Nezha, H Jouhadi, S Sahraoui, A Benider
BACKGROUND: The metastases of a primary lung cancer over the thyroid gland are extremely rare. We report on an unusual presentation of thyroid metastasis of lung cancer in order to improve the management of similar cases. CASE PRESENTATION: Three years ago, a Moroccan male 59-year-old was admitted for dyspnea, dry cough, and chest pain. He had smoked about 30 cigarette packs a year. Clinical examination revealed a right thyroid nodule. Chest and neck computed tomography (CT) scan showed a proximal left tumor in contact with the pulmonary artery and revealed a suspected nodule in the right lobe of the thyroid with homolateral neck node...
March 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28327179/pterostilbene-prevents-akt-erk-axis-mediated-polymerization-of-surface-fibronectin-on-suspended-lung-cancer-cells-independently-of-apoptosis-and-suppresses-metastasis
#7
Ying-Jan Wang, Jing-Fang Lin, Li-Hsin Cheng, Wen-Tsan Chang, Ying-Hsien Kao, Ming-Min Chang, Bour-Jr Wang, Hung-Chi Cheng
BACKGROUND: Polymeric fibronectin (polyFN) assembled on suspended breast cancer cells is required for metastasis. Conceivably, drugs that target such polyFN may fight against cancer metastasis. While stilbene analogs trigger pro-apoptotic effect on attached cancer cells, whether they prevent polyFN assembly and metastasis of suspended cancer cells via an apoptosis-independent manner remains unexplored. METHODS: We depleted suspended Lewis lung carcinoma (LLC) cells of polyFN by silencing the endogenous FN expression or pterostilbene (PS) to examine whether metastasis of lung cancer cells could thus be suppressed...
March 21, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28323731/thymic-carcinoma-with-endobronchial-metastasis-a-case-report
#8
Makoto Nagamata, Yusuke Okuma, Yukio Hosomi, Tsunekazu Hishima
Thymic carcinoma is a rare cancer, accounting for only 1% to 4% of thymic epithelial tumors. Endobronchial metastasis is a rare presentation of these tumors. A 64-year-old man presented with a cough. Lung cancer was suspected because a chest radiograph showed a 7-cm mass in the left pulmonary hilum. Computed tomography showed a mass in the anterior mediastinum and an infiltrate in the upper lobe of the left lung. Bronchoscopy demonstrated bilateral polypoid tumors in the left B bronchus and the right B bronchus...
April 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28316225/-the-clinical-impact-of-artery-first-approach-combined-with-vascular-resection-and-reconstruction-in-the-treatment-of-pancreatic-head-carcinoma
#9
J L Huang, W G Li, F Z Chen, Z J Su, F M Li, B Liu
Objective: To evaluate the application of artery first, combined vascular resection and reconstruction in the treatment of pancreatic head carcinoma. Methods: The clinical data of 13 patients with pancreatic head cancer were retrospectively analyzed from February 2014 to March 2016 in the Affiliated Hospital of Xiamen University. Preoperative computed tomography of high resolution layer or magnetic resonance imaging examination demonstrated pancreatic head carcinoma, as well as close adhesion, stenosis, compression or displacement of superior mesenteric vein or portal vein wall...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28314970/-is-surgical-treatment-ever-indicated-in-metastatic-renal-cell-carcinoma-and-if-so-based-on-which-scientific-rationale
#10
M Burger
BACKGROUND: Metastasis is a common event in renal cell carcinoma. Surgical resection of metastases may be feasible in two scenarios: aiming at palliation, which may be feasible due to reduced radiosensitivity of renal cell cancer, and aiming at prolonging survival, which may be feasible given the rather good prognosis of some patterns of metastasis. OBJECTIVE: This review intends to reflect on current evidence for surgical resection of metastases in both scenarios...
March 17, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28314468/constraints-for-symptomatic-radiation-pneumonitis-of-helical-tomotherapy-hypofractionated-simultaneous-multitarget-radiotherapy-for-pulmonary-metastasis-from-hepatocellular-carcinoma
#11
Genlai Lin, Han Xiao, Zhaochong Zeng, Zhiyong Xu, Jian He, Taiwei Sun, Jin Liu, Genwu Guo, Weixing Ji, Yong Hu
BACKGROUND AND PURPOSE: This study was aimed to identify the clinical and dosimetric parameters that predict symptomatic radiation pneumonitis (SRP, radiation pneumonitis≥2 grade) in patients with pulmonary metastasis from hepatocellular carcinoma (HCC) after helical tomotherapy (HT) hypofractionated simultaneous multitarget radiotherapy. MATERIALS AND METHODS: 62 patients with 407 pulmonary metastases from HCC were consecutively treated with HT. The median radiation dose was a 49...
March 14, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28314312/surgical-resection-for-pulmonary-metastasis-from-pancreatic-and-biliary-tract-cancer
#12
Tetsuzo Tagawa, Kensaku Ito, Kengo Fukuzawa, Tatsuro Okamoto, Atsuro Yoshimura, Takahide Kawasaki, Takashi Masuda, Kentaro Iwaki, Takahiro Terashi, Masahiro Okamoto, Akio Shiromizu, Akira Motohiro, Yoshihiko Maehara
AIM: To determine the efficacy of pulmonary metastasectomy for pancreatic and biliary tract cancer. PATIENTS AND METHODS: Ten patients who underwent therapeutic pulmonary metastasectomy after resection for pancreatic and biliary tract cancer at our Institution from 2006 to 2016 were retrospectively evaluated. RESULTS: The primary site was the pancreas in four patients and biliary tract in six. Nine patients had single metastasis, and one patient had bilateral multiple metastases...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28306689/pulmonary-relapse-of-osteosarcoma-following-presentation-with-a-pneumomediastinum-and-localized-disease-at-diagnosis
#13
Sarayu Kumar, Adina Alazraki, Bradley George, Melissa Martin, Howard M Katzenstein, Thomas Cash
Pneumothorax is a well-described complication of osteosarcoma. Conversely, the presence of a pneumomediastinum to our knowledge has been reported just once in a patient with osteosarcoma, and never without detectable lung metastasis. We report the case of an 18-year-old male with a localized, distal femur osteosarcoma who was found to have an asymptomatic pneumomediastinum and pneumatocele at diagnosis, and then 16 months later experienced a pulmonary relapse. Our case suggests that these findings may represent the presence of occult metastatic disease and cautions providers to treat appropriately and provide surveillance with a high index of suspicion for pulmonary recurrence...
March 16, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28302670/modelling-pulmonary-microthrombosis-coupled-to-metastasis-distinct-effects-of-thrombogenesis-on-tumorigenesis
#14
Colin E Evans, Asis Palazon, Jingwei Sim, Petros A Tyrakis, Alice Prodger, Xiao Lu, Saria Chan, Pär-Ola Bendahl, Mattias Belting, Love Von Euler, Helene Rundqvist, Randall S Johnson, Cristina Branco
Thrombosis can cause localized ischemia and tissue hypoxia, and both of these are linked to cancer metastasis. Vascular micro-occlusion can occur as a result of arrest of circulating tumor cells in small capillaries, giving rise to microthrombotic events that affect flow, creating localized hypoxic regions. To better understand the association between metastasis and thrombotic events, we generated an experimental strategy whereby we model the effect of microvascular occlusion in metastatic efficiency, by using inert microbeads to obstruct lung microvasculature before, during and after intravenous tumor cell injection...
March 16, 2017: Biology Open
https://www.readbyqxmd.com/read/28302221/-distant-metastasis-and-survival-outcomes-after-computed-tomography-guided-needle-biopsy-in-stage-i-ii-non-small-cell-lung-cancer
#15
Jingli Fan, Keke Zhai, Tingting Ren, Xiao Feng, Lin Sui, Jing Hu, Qingwei Meng
BACKGROUND: Computed tomography-guided needle biopsy (CTNB) is a well-established and commonly used technique for diagnosing pulmonary nodules with high accuracy and safety. Needle-tract implantation after CTNB has been reported in various reports. The aim of this study is to evaluate whether preoperative CTNB affected the distant metastasis and overall survival in pathological stage I-II lung cancer patients. METHODS: A total of 1,234 patients with pathological stage I-II non-small cell lung cancer were collected...
March 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28293011/-pulmonary-benign-metastasizing-leiomyoma-resected-six-times-during-twenty-years-report-of-a-case
#16
Tsuyoshi Yachi, Noriyoshi Yashiki, Yuta Fukuoka, Kazuhiro Nomoto, Munenori Mukai, Isao Matsumoto
Benign metastasizing leiomyoma (BML) is a rare condition in which a benign uterine leiomyoma causes metastasis, mainly to the lungs. The patient was a 72-year-old woman who had undergone hysterectomy for an uterine leiomyoma at 37 years of age. Between the ages of 52 and 68 years, she had undergone 5 metastatectomies for 10 BMLs. At the current presentation, 2 nodules located in the right upper lobe of the lung were resected. The histological diagnosis was BML, and immunohistochemical staining demonstrated that the tumor cells were positive for estrogen and progesterone receptors...
March 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28292512/clinicopathological-and-multisection-ct-features-of-primary-pulmonary-mucoepidermoid-carcinoma
#17
D-L Cheng, Y-X Hu, P-Q Hu, G Wen, K Liu
AIM: To delineate the multisection computed tomography (MSCT) features and the clinical characteristics of primary pulmonary mucoepidermoid carcinoma (PMEC). Prognostic factors were also analysed. MATERIALS AND METHODS: A retrospective study was undertaken to investigate the medical records and MSCT performance of histopathologically confirmed PMECs from 2007 to 2015. RESULTS: A total of 83.3% of patients with high-grade PMECs were aged >40 years, whereas there were 1...
March 11, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28291643/successful-treatment-of-pituitary-carcinoma-with-concurrent-radiation-temozolomide-and-bevacizumab-after-resection
#18
Waseem Touma, Spencer Hoostal, Richard A Peterson, Andres Wiernik, Karen S SantaCruz, Emil Lou
The optimal treatment of pituitary carcinomas (PC) is unknown. Treatment includes surgical resection, radiation, and more recently, temozolomide (TMZ). Pituitary adenomas have relatively high expression of vascular endothelial growth factor; therefore, bevacizumab, an antiangiogenic agent, has been used in a small number of aggressive or malignant pituitary tumors after recurrence. However, it has not been administered concurrently with other chemotherapeutic agents or combined with radiation therapy in PC...
March 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28289906/pediatric-chest-ct-at-chest-radiograph-doses-when-is-the-ultralow-dose-chest-ct-clinically-appropriate
#19
Javier E Villanueva-Meyer, David M Naeger, Jesse L Courtier, Michael D Hope, Jack W Lambert, John D MacKenzie, Andrew S Phelps
PURPOSE: Computed tomography (CT) use in emergency departments represents a significant contribution to pediatric patients' exposure to ionizing radiation. Here, we evaluate whether ultralow-dose chest CT can be diagnostically adequate for other diagnoses and whether model-based iterative reconstruction (MBIR) can improve diagnostic adequacy compared to adaptive statistical iterative reconstruction (ASIR) at ultralow doses. METHODS: Twenty children underwent chest CTs: 10 standard-dose reconstructed with ASIR and 10 ultralow-dose reconstructed with ASIR and MBIR...
March 14, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28280386/nanomolar-concentration-of-blood-soluble-drag-reducing-polymer-inhibits-experimental-metastasis-of-human-breast-cancer-cells
#20
Zhijie Ding, Marion Joy, Marina V Kameneva, Partha Roy
Metastasis is the leading cause of cancer mortality. Extravasation of cancer cells is a critical step of metastasis. We report a novel proof-of-concept study that investigated whether non-toxic blood-soluble chemical agents capable of rheological modification of the near-vessel-wall blood flow can reduce extravasation of tumor cells and subsequent development of metastasis. Using an experimental metastasis model, we demonstrated that systemic administration of nanomolar concentrations of so-called drag-reducing polymer dramatically impeded extravasation and development of pulmonary metastasis of breast cancer cells in mice...
2017: Breast Cancer: Targets and Therapy
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