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https://www.readbyqxmd.com/read/27909271/-epidermal-growth-factor-receptor-mutated-advanced-lung-adenocarcinoma-with-long-term-tumor-free-survival-by-chemotherapy-followed-by-tyrosine-kinase-inhibitor-treatment-after-reduction-surgery
#1
Atsushi Morio, Kazuki Nakahara, Toshirou Futagawa, Kenji Suzuki
A 67-year-old woman was detected stage III B adenocarcinoma of the left lung, with epidermal growth factor receptor(EGFR) -mutation. Since chest computed tomography showed enlarged lymph nodes in stations 7 and 1R-4R, radiochemotherapy was recommended. However, she declined radiochemotherapy and the chemotherapy after tumor reduction surgery was chosen. She underwent resection of the left lower lobe and lingular segment, and mediastinal lymph node dissection through a posterolateral thoracotomy by extended bronchoplasty(type C) due to the extranodal invasion of lymph nodes to the lingular segmental bronchus...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27905051/seom-clinical-guideline-of-management-of-soft-tissue-sarcoma-2016
#2
A López-Pousa, J Martin Broto, J Martinez Trufero, I Sevilla, C Valverde, R Alvarez, J A Carrasco Alvarez, J Cruz Jurado, N Hindi, X Garcia Del Muro
Soft-tissue sarcomas are uncommon and heterogeneous tumors of mesenchymal origin. A soft-tissue mass that is increasing in size, greater than 5 cm, or located under deep fascia are criteria for suspicion of sarcoma. Diagnosis, treatment, and management should preferably be performed by a multidisciplinary team in reference centers. MRI and lung CT scan are mandatory for local and distant assessment. A biopsy indicating histological type and grade is needed previous to the treatment. Wide surgical resection with tumor-free tissue margin is the primary treatment for localized disease...
November 29, 2016: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/27901112/depletion-of-trna-halves-enables-effective-small-rna-sequencing-of-low-input-murine-serum-samples
#3
Alan Van Goethem, Nurten Yigit, Celine Everaert, Myrthala Moreno-Smith, Liselot M Mus, Eveline Barbieri, Frank Speleman, Pieter Mestdagh, Jason Shohet, Tom Van Maerken, Jo Vandesompele
The ongoing ascent of sequencing technologies has enabled researchers to gain unprecedented insights into the RNA content of biological samples. MiRNAs, a class of small non-coding RNAs, play a pivotal role in regulating gene expression. The discovery that miRNAs are stably present in circulation has spiked interest in their potential use as minimally-invasive biomarkers. However, sequencing of blood-derived samples (serum, plasma) is challenging due to the often low RNA concentration, poor RNA quality and the presence of highly abundant RNAs that dominate sequencing libraries...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27896404/en-bloc-resection-with-major-blood-vessel-reconstruction-for-locally-invasive-retroperitoneal-paragangliomas-a-15-year-experience-with-literature-review
#4
Hankui Hu, Bin Huang, Jichun Zhao, Ding Yuan, Yi Yang, Fei Xiong
BACKGROUND: Retroperitoneal paragangliomas (PGs) are a rare subgroup of neuroendocrine tumors that are commonly located alongside the abdominal aorta. Complete tumor resection is thought to be restricted in patients with major blood vessel involvement. However, no study has specifically focused on aggressive surgical treatment in such patients. We evaluated the value of en bloc resection with major blood vessel reconstruction for locally invasive retroperitoneal PGs. METHODS: Twenty-nine patients with retroperitoneal PGs with major blood vessel involvement were included in this retrospective study...
November 28, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27890931/a-tlr7-agonist-enhances-the-anti-tumor-efficacy-of-obinutuzumab-in-murine-lymphoma-models-via-nk-cells-and-cd4-t-cells
#5
E J Cheadle, G Lipowska-Bhalla, S J Dovedi, E Fagnano, C Klein, J Honeychurch, T M Illidge
Anti-CD20 mAb such as rituximab have proven highly effective at improving outcome in B-cell malignancies. However, many patients ultimately relapse and become refractory to treatment. The glycoengineered anti-CD20 mAb obinutuzumab was developed to induce enhanced antibody dependent cellular cytotoxicity, antibody dependent phagocytosis and direct cell death and was shown to lead to improved outcomes in a randomized study in B-chronic lymphocytic leukemia (B-CLL). We hypothesized that immune stimulation through TLR7 agonism in combination with obinutuzumab would further enhance lymphoma clearance and the generation of long-term anti-tumor immune responses...
November 28, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27884084/losartan-loaded-liposomes-improve-the-antitumor-efficacy-of-liposomal-paclitaxel-modified-with-ph-sensitive-peptides-by-inhibition-of-collagen-in-breast-cancer
#6
Tai Xia, Qin He, Kairong Shi, Yang Wang, Qianwen Yu, Li Zhang, Qianyu Zhang, Huile Gao, Lifang Ma, Ji Liu
The dense collagen network in tumors restricts the penetration of drugs into tumors. Free losartan could inhibit collagen, but it would cause hypotension at the dosage of 10 mg/kg/d. In this study, losartan was encapsulated in liposomes (LST-Lip) and the collagen inhibition ability of LST-Lip was investigated. Our results showed the blood pressure was not affected by LST-Lip at the dosage of 2.5 mg/kg every other day. The amount of Evans Blue in tumor in LST-Lip group was 1.98 times of that in control group...
November 25, 2016: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/27882472/the-role-of-venous-and-arterial-resection-in-pancreatic-cancer-surgery
#7
Gyulnara G Kasumova, W Charles Conway, Jennifer F Tseng
Pancreatic cancer continues to carry a dismal prognosis with the majority of patients presenting at advanced stages of disease. Complete surgical resection remains essential for prolonging survival and increasing the possibility of cure. However, few patients will be resectable at diagnosis, with a significant portion presenting with borderline or locally advanced disease. The addition of vascular resection and reconstruction at the time of pancreatectomy enables expansion of the patient population able to undergo resection with curative intent and achieve tumor-free margins...
November 23, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27881340/-expressions-of-ras-and-sos1-in-epithelial-ovarian-cancer-tissues-and-their-clinical-significance
#8
Zheng-Hua Xiao, Hua Linghu, Qian-Fen Liu
OBJECTIVE: To detect the expressions of Ras and Sos1 proteins in human epithelial ovarian cancer (EOC) tissues and explore their correlation with the clinicopathological features of the patients. METHODS: The expressions of Ras and Sos1 proteins were detected immunohistochemically in 62 EOC tissues, 5 borderline ovarian cancer tissues, 15 benign epithelial ovarian neoplasm tissues, and 18 normal ovarian tissues. RESULTS: The EOC tissues showed significantly higher expression levels of both Ras and Sos1 than the other tissues tested (P<0...
November 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27880743/ras-association-domain-family-1-isoform-a-rassf1a-gene-polymorphism-rs1989839-is-associated-with-risk-and-metastatic-potential-of-osteosarcoma-in-young-chinese-individuals-a-multi-center-case-control-study
#9
Hongwei Xu, Wang Zhan, Zhiyuan Chen
BACKGROUND The ras-association domain family 1 isoform A (RASSF1A) gene serves as a bona fide tumor suppressor gene. The polymorphisms in RASSF1A were previously reported to be associated with the risk of solid malignant tumors. We hypothesized herein that RASSF1A gene polymorphisms are involved in the risk and prognosis of osteosarcoma (OS). MATERIAL AND METHODS We recruited 279 young OS cases and 286 tumor-free controls from the east Chinese population. Five tagSNPs of RASSF1A gene (rs2236947A/C, rs2073497A/C, rs1989839C/T, rs72932987C/T, and rs4688728G/T) were genotyped...
November 23, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27865360/langerhans-cell-number-is-a-strong-and-independent-prognostic-factor-for-head-and-neck-squamous-cell-carcinomas
#10
Nadège Kindt, Géraldine Descamps, Imelda Seminerio, Justine Bellier, Jérôme R Lechien, Charles Pottier, Denis Larsimont, Fabrice Journé, Philippe Delvenne, Sven Saussez
OBJECTIVES: Head and neck squamous cell carcinomas (HNSCCs) exhibit great biological heterogeneity and relatively poor prognosis. Tobacco and alcohol consumption is involved in the cause of the majority of these cancers, but over the last several years, Human Papilloma Virus (HPV) infection has increased specifically in oropharyngeal cancers and become an additional risk factor. Here, we evaluated the number of Langerhans cells (LCs) in HNSCC and reporting its prognostic power in comparison to other risk factors...
November 2016: Oral Oncology
https://www.readbyqxmd.com/read/27834629/malignant-peripheral-nerve-sheath-tumors-of-the-spine-results-of-surgical-management-from-a-multicenter-study
#11
Dean Chou, Mark H Bilsky, Alessandro Luzzati, Charles G Fisher, Ziya L Gokaslan, Laurence D Rhines, Mark B Dekutoski, Michael G Fehlings, Ravi Ghag, Peter Varga, Stefano Boriani, Niccole M Germscheid, Jeremy J Reynolds
OBJECTIVE Malignant peripheral nerve sheath tumors (MPNSTs) are rare soft-tissue sarcomas. Resection is the mainstay of treatment and the most important prognostic factor. However, complete resection of spinal MPNSTs with tumor-free margins is challenging due to the likelihood of residual tumor cells. The objective of this study was to describe whether the type of Enneking resection in the management of spinal MPNSTs had an effect on local recurrence and survival. METHODS The AOSpine Knowledge Forum Tumor developed a multicenter database that includes demographic, diagnostic, therapeutic, local recurrence, and survival data on patients with primary spinal column tumors...
November 11, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27833709/immediate-reconstruction-of-large-full-thickness-segmental-anterior-maxillary-defect-with-bone-transport
#12
Alberto Rocha Pereira, Nuno Montezuma, Luis Oliveira, Miguel Magalhães, José Rosa
Maxillary segmental defects are a reconstructive challenge particularly when the anterior arch is involved. Missing bone, mucosa, and teeth should be replaced; fistulae closure should be guaranteed by bone and mucosa continuity; stable functional occlusion should be achieved; and facial aesthetics restored. These defects resulting from tumor excisions, if left untreated, will cause additional problems related to interposed scar and collapse of lip and nose. Immediate reconstruction should avoid these problems and should be considered when safe tumor-free margins are obtained...
November 2016: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27802206/evaluation-of-circulating-cellular-dclk1-protein-as-the-most-promising-colorectal-cancer-stem-cell-marker-using-immunoassay-based-methods
#13
Alireza Mirzaei, Zahra Madjd, Azade Amini Kadijani, Masoumeh Tavakoli-Yaraki, Mohammad Hossein Modarresi, Javad Verdi, Abolfazl Akbari, Gholamreza Tavoosidana
BACKGROUND: DCLK1, as the most potential colorectal cancer stem cell (CSC) marker has been the core of many recent investigations. However, no study has been performed to evaluate the circulating cellular DCLK1 protein (CCDP) that might reflect the presences of colorectal CSC in circulation. OBJECTIVES: We aimed to evaluate CCDP in the peripheral blood mononuclear cells (PBMCs) of colorectal cancer (CRC) patients applying immunoassay based methods including PLA, IPCR and ELISA in order to introduce the method of choice for clinical detection of CCDP...
September 26, 2016: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27798900/what-characterizes-long-term-survivors-of-recurrent-ovarian-cancer-case-report-and-review-of-the-literature
#14
Ziad Hilal, Beate Schultheis, Franziska Hartmann, Askin Dogan, Cem Cetin, Harald Krentel, Sven Schiermeier, Clemens B Tempfer
BACKGROUND: Women with recurrent ovarian cancer have a poor prognosis and short survival. However, some women are long-term survivors and it is unclear whether they share specific common characteristics. CASE REPORT: We present the case of a 63-year-old woman with histologically-proven recurrent ovarian cancer and a survival time of 16 years after the diagnosis of recurrence. She underwent initial debulking surgery in 1994, followed by 6 cycles of adjuvant chemotherapy with cisplatin and paclitaxel...
October 2016: Anticancer Research
https://www.readbyqxmd.com/read/27791830/contralateral-osteotomy-of-the-pedicle-and-posterolateral-elements-for-en-bloc-resection-a-technique-for-oncological-resection-of-posterolateral-spinal-tumors
#15
Viren S Vasudeva, Alexander E Ropper, Samuel Rodriguez, Kyle C Wu, John H Chi
En bloc resection of tumors involving the spinal column is technically challenging and is associated with high morbidity to the patient due to the proximity of critical neurological and vascular structures and the destabilizing nature of this surgery. Nevertheless, evidence has shown improved progression-free survival with en bloc resection for certain low-grade malignant and aggressive benign musculoskeletal tumors. To avoid the morbidity of en bloc spondylectomy in patients with tumors localized to the lateral and posterolateral spinal column, the authors have found that the goals of surgery can be accomplished through a contralateral osteotomy of the pedicle and posterolateral elements for en bloc resection (COPPER)...
October 28, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27787595/reproducibility-of-measurement-of-myometrial-invasion-in-endometrial-carcinoma
#16
Louis J M van der Putten, Koen van de Vijver, Carla Bartosch, Ben Davidson, Sonia Gatius, Xavier Matias-Guiu, W Glenn McCluggage, Gemma Toledo, Anneke A M van der Wurff, Johanna M A Pijnenborg, Leon F A G Massuger, Johan Bulten
Myometrial invasion (MI) as a percentage (%MI), categorized into <50 or ≥50 %, is an important predictor of prognosis in endometrial carcinoma. Recent studies suggest that tumor-free distance (TFD) to serosa and the absolute depth of invasion (DOI) might be stronger predictors of prognosis. Although reproducibility is important in clinical practice for patient prognostication and treatment, reproducibility of these methods for the measurement of MI is largely unknown. One or two slides from 50 patients with FIGO stage I endometrioid endometrial carcinoma were viewed by seven gynecological pathologists, who were requested to measure %MI, TFD, and DOI...
October 27, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27787374/surgical-outcomes-following-laparoscopic-major-hepatectomy-for-various-liver-diseases
#17
Sung-Hwa Kang, Ki-Hun Kim, Min-Ho Shin, Young-In Yoon, Wan-Jun Kim, Dong-Hwan Jung, Gil-Chun Park, Tae-Yong Ha, Sung-Gyu Lee
The aim of the study was to report surgical outcomes (efficacy and safety) of laparoscopic major hepatectomy for various liver diseases.Although the number of laparoscopic liver resections has increased, expansion of laparoscopic major hepatic resection remains limited, mainly owing to the technical difficulties for the procedure as compared to open surgery. We describe our experiences with laparoscopic major hepatectomy for various liver diseases.We retrospectively reviewed the medical records of 192 patients who underwent laparoscopic major hepatectomy between October 2007 and March 2015 at Asan Medical Center, Korea...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27776402/the-value-of-intraoperative-ultrasonography-during-the-resection-of-relapsed-irradiated-malignant-gliomas-in-the-brain
#18
Kay Mursch, Martin Scholz, Wolfgang Brück, Julianne Behnke-Mursch
Purpose: The aim of this study was to investigate whether intraoperative ultrasonography (IOUS) helped the surgeon navigate towards the tumor as seen in preoperative magnetic resonance imaging and whether IOUS was able to distinguish between tumor margins and the surrounding tissue. Methods: Twenty-five patients suffering from high-grade gliomas who were previously treated by surgery and radiotherapy were included. Intraoperatively, two histopathologic samples were obtained a sample of unequivocal tumor tissue (according to anatomical landmarks and the surgeon's visual and tactile impressions) and a small tissue sample obtained using a navigated needle when the surgeon decided to stop the resection...
August 8, 2016: Ultrasonography
https://www.readbyqxmd.com/read/27759578/tumor-free-osteosclerotic-lesions-in-patients-treated-for-metastatic-melanoma-using-braf-inhibitors
#19
Lea Bottlaender, Marie Perier-Muzet, Véronique Lapras, Luc Thomas, Stephane Dalle
BRAF inhibitors (vemurafenib and dabrafenib) are nowadays commonly prescribed in BRAF-mutant metastatic melanoma and allow improvement of the overall survival and progression-free survival. They are, however, accompanied by many adverse effects which mainly affect the skin. We observed on computed tomographic scans in three different patients after 3 months of treatment, the onset of osteosclerotic lesions. In parallel, the computed tomographic scans showed a significant reduction in all of the previously identified metastases in all patients...
October 18, 2016: Melanoma Research
https://www.readbyqxmd.com/read/27758881/hybrid-manganese-dioxide-nanoparticles-potentiate-radiation-therapy-by-modulating-tumor-hypoxia
#20
Azhar Z Abbasi, Claudia R Gordijo, Mohammad Ali Amini, Azusa Maeda, Andrew M Rauth, Ralph S DaCosta, Xiao Yu Wu
Hypoxia in the tumor microenvironment (TME) mediates resistance to radiotherapy (RT) and contributes to poor prognosis in patients receiving RT. Here we report the design of clinically suitable formulations of hybrid manganese dioxide (MnO2) nanoparticles (MDNP) using biocompatible materials to re-oxygenate the TME by reacting with endogenous H2O2. MDNP containing hydrophilic terpolymer-protein-MnO2 or hydrophobic polymer-lipid-MnO2 provided different oxygen generation rates in the TME relevant to different clinical settings...
October 6, 2016: Cancer Research
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