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https://www.readbyqxmd.com/read/28099079/lymphangioleiomyomatosis-a-monogenic-model-of-malignancy
#1
Vera P Krymskaya, Francis X McCormack
Lymphangioleiomyomatosis (LAM) is a rare, low-grade, metastasizing neoplasm that arises from an unknown source, spreads via the lymphatics, and targets the lungs. All pulmonary structures become infiltrated with benign-appearing spindle and epithelioid cells (LAM cells) that express smooth-muscle and melanocyte-lineage markers, harbor mTOR-activating mutations in tuberous sclerosis complex (TSC) genes, and recruit abundant stromal cells. Elaboration of lymphangiogenic growth factors and matrix remodeling enzymes by LAM cells enables their access to lymphatic channels and likely drives the cystic lung remodeling that often culminates in respiratory failure...
January 14, 2017: Annual Review of Medicine
https://www.readbyqxmd.com/read/28077340/clinicopathological-characteristics-of-papillary-thyroid-cancer-in-children-with-emphasis-on-the-pubertal-status-and-association-with-brafv600e-mutation
#2
Şükran Poyrazoğlu, Rüveyde Bundak, Firdevs Baş, Gülçin Yeğen, Yasemin Şanlı, Feyza Darendeliler
OBJECTIVE: Papillary thyroid cancer (PTC) could behave differently in prepubertal than in pubertal children and between children and adults. BRAF gene activating mutations may associate with PTC by creating aberrant activation. We aimed to evaluate clinicopathological characteristics of PTC patients with emphasis on the pubertal status and investigate the association of BRAFV600E mutation with disease characteristics. METHODS: Medical records of 75 patients with PTC were reviewed retrospectively...
January 12, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28072716/pneumonitis-in-cancer-patients-receiving-anti-pd-1-and-radiotherapies-three-case-reports
#3
Chieh-Sheng Lu, Jin-Hwang Liu
INTRODUCTION: In development of novel therapies for the treatment of patient with cancer, the use of radiotherapy (RT) can produce significant local control and, in recent studies, has also been shown to mediate anti-tumor responses at distant sites by triggering and enhancing the endogenous cellular immune responses. Although RT induces an abscopal effect in some patients due to enhanced immune response to the tumor, immune-escape mechanisms, including up-regulation of programmed death-ligand 1 (PD-L1) on tumor cells, limit this benefit in other patients...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28066838/neuroendocrine-carcinoma-of-the-ovotestis-a-case-report-and-review-of-literatures
#4
Tahereh Ashrafganjoei, Ainaz Sourati, Mahdiss Mohamadianamiri
BACKGROUND: Neuroendocine carcinoma of the gynecologic tract is rare and poses a significant clinical challenge because of tumor heterogeneity and lack of standardized guidelines for treatment. Ovotestis refers to the histology of a gonad that contains both ovarian follicles and testicular tubular elements. Ovotesticular disorder of sexual development occurs in fewer than 10% of all disorders of sexual development. Gonadal tumors with malignant potential occur in 2.6% of all cases of ovotesticular disorder of sexual development...
December 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28065429/eyelid-metastasis-as-first-presentation-of-renal-cell-carcinoma
#5
R Cabrera-Beyrouti, E Campos-Mollo, E Rico-Santos, D N Jiménez-Rodríguez, M Lledó-Riquelme, J Vierna-García
CASE REPORT: An 87-year-old male presented with a slow-growing, painless and well defined nodule in the upper eyelid. The tumour measured 1cm, and was pigmented and adhered to deep planes. The histopathology analysis was compatible with renal cell carcinoma. The extension study showed a tumour mass in each kidney, as well as multiple pulmonary metastases. DISCUSSION: The ophthalmologist can play an important role in the diagnosis of metastatic cancer when eye disease is present...
January 5, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28063672/c-reactive-protein-crp-as-a-prognostic-factor-for-colorectal-cancer-after-surgical-resection-of-pulmonary-metastases
#6
Cong Li, Qi Xu, Lei Chen, Cong Luo, Jieer Ying, Jinshi Liu
INTRODUCTION: Pulmonary metastases occur in up to 25% of colorectal cancer (CRC) patients. Many studies have reported that pulmonary metastasectomy might increase 5-year survival of these patients. The aim of this study was to describe our experience with pulmonary metastasectomy for metastatic colorectal cancer and to explore the prognostic value of serum C-reactive protein (CRP) and other factors. METHODS: Between June 2002 and December 2013, the clinicopathological data of 88 patients who underwent resection of pulmonary metastases from colorectal carcinoma were retrospectively reviewed and analyzed...
January 4, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28062976/the-predictive-accuracy-of-sentinel-nodes-mapping-in-the-setting-of-pulmonary-metastasectomy
#7
Hyun Koo Kim, Kwanghyoung Lee, Kook Nam Han, Jae Seon Eo, Sungeun Kim, Young Ho Choi
This is the first study to evaluate the feasibility of mediastinal lymph node dissection (MLND) based on sentinel lymph node (SLN) status during pulmonary metastasectomy. A total of 22 patients (16 men, 6 women; age 63.3 ± 7.01 years) who were candidates for metastasectomy through segmentectomy or lobectomy with MLND owing to cancers metastatic to the lung were enrolled in this study. Radiotracer was administered at the peritumoral region before surgery or soon after initiating surgery. During the operation, the radioactivity of the lymph nodes (ex vivo) was counted with a handheld gamma probe after MLND...
January 6, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28061541/a-prospective-multicenter-phase-ii-trial-of-low-dose-erlotinib-as-maintenance-treatment-after-platinum-doublet-chemotherapy-for-advanced-non-small-cell-lung-cancer-harboring-egfr-mutation
#8
Satoshi Hirano, Go Naka, Yuichiro Takeda, Motoyasu Iikura, Noriko Hayama, Asako Yanagisawa, Hiroyuki Amano, Makoto Nakamura, Sukeyuki Nakamura, Hiroshi Tabeta, Haruhito Sugiyama
BACKGROUND: Maintenance therapy with full-dose erlotinib for patients with advanced non-small cell lung cancer (NSCLC) has demonstrated a significant overall survival (OS) benefit. However, 150 mg/day of erlotinib seems too toxic as maintenance therapy. This study aimed to evaluate the efficacy and safety of low-dose erlotinib (25 mg/day) as maintenance treatment after platinum doublet chemotherapy in NSCLC harboring epidermal growth factor receptor (EGFR) mutation. METHODS: Activated EGFR-mutation-positive NSCLC patients who did not progress after first-line platinum-doublet chemotherapy, ≥20 and ≤85 years old, with performance status (PS) 0-3 were included in this study...
December 2016: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28060755/antitumor-and-antimetastatic-activities-of-a-novel-benzothiazole-2-thiol-derivative-in-a-murine-model-of-breast-cancer
#9
XiaoLin Hu, Sen Li, Yan He, Ping Ai, Shaoyong Wu, Yonglin Su, Xiaolin Li, Lei Cai, Xingchen Peng
The prognosis of metastatic breast cancer is always very poor. Thus, it is urgent to develop novel drugs with less toxicity against metastatic breast cancer. A new drug (XC-591) derived from benzothiazole-2-thiol was designed and synthesized in our lab. In this study, we tried to assess effects of XC-591 treatment on primary breast cancer and pulmonary metastasis in 4T1 mice model. Furthermore, we tried to discover its possible molecular mechanism of action. MTT experiment showed XC-591 had significant anti-cancer activity on diverse cancer cells...
January 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28060131/nonfunctioning-adrenocortical-carcinoma-in-pediatric-acute-lymphoblastic-leukemia-a-case-report-of-a-rare-multiple-primaries-combination
#10
Wafaa M Rashed, Wael Zekri, Madiha Awad, Hala Taha, Badr Abdalla, Ahmad S Alfaar
Childhood adrenocortical carcinoma (ACC) is a rare tumor and its association with acute lymphoblastic leukemia (ALL) is even rarer. One such case is discussed in this case report. A 3-year-old patient was concomitantly diagnosed with ALL and an initially nonmetastatic ACC. Management started by following the Total XV protocol without a window phase. Left adrenalectomy was conducted after the consolidation phase. Recurrence of a mass at the tumor bed was discovered at week 33 of the continuation phase. Reexcision was conducted, followed by the administration of an ACC protocol including cisplatin, etoposide, and doxirubicin...
January 5, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28058514/repeat-resection-for-recurrent-pulmonary-metastasis-of-colorectal-cancer
#11
Stefan Sponholz, Moritz Schirren, Natalie Baldes, Selma Oguzhan, Joachim Schirren
PURPOSE: Resection of recurrent lung metastases from colorectal cancer is not completely investigated. We analyzed overall survival and prognosticators after metastasectomy. METHODS: We retrospectively reviewed our database of 238 patients with lung metastases of colorectal cancer, undergoing metastasectomy with systematic lymph node dissection from 1999 to 2014. Lymph node metastases were found in 55 patients, and liver metastases were found in 79 patients. RESULTS: The 5- and 10-year survival rates for all patients were 48 and 32%...
January 5, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28056547/analysis-of-hypoxia-induced-noncoding-rnas-reveals-metastasis-associated-lung-adenocarcinoma-transcript-1-as-an-important-regulator-of-vascular-smooth-muscle-cell-proliferation
#12
Matthias Brock, Claudio Schuoler, Caroline Leuenberger, Carlo Bühlmann, Thomas J Haider, Johannes Vogel, Silvia Ulrich, Max Gassmann, Malcolm Kohler, Lars C Huber
Vascular remodeling, a pathogenic hallmark in pulmonary hypertension, is mainly driven by a dysbalance between proliferation and apoptosis of human pulmonary artery smooth muscle cells. It has previously been shown that microRNAs are involved in the pathogenesis of pulmonary hypertension. However, the role of long noncoding RNAs has not been evaluated. long noncoding RNA expression was quantified in human pulmonary artery smooth muscle cells using PCR arrays and quantitative PCR. Knockdown of genes was performed by transfection of siRNA or GapmeR...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28055301/autophagy-orchestrates-adaptive-responses-to-targeted-therapy-in-endometrial-cancer
#13
Núria Eritja, Bo-Juen Chen, Ruth Rodríguez-Barrueco, Maria Santacana, Sònia Gatius, August Vidal, Maria Dolores Martí, Jordi Ponce, Laura Bergadà, Andree Yeramian, Mario Encinas, Joan Ribera, Jaume Reventós, Jeff Boyd, Alberto Villanueva, Xavier Matias-Guiu, Xavier Dolcet, David Llobet-Navàs
Targeted therapies in endometrial cancer (EC) using kinase inhibitors rarely result in complete tumor remission and are frequently challenged by the appearance of refractory cell clones, eventually resulting in disease relapse. Dissecting adaptive mechanisms is of vital importance to circumvent clinical drug resistance and improve the efficacy of targeted agents in EC. Sorafenib is an FDA-approved multitarget tyrosine and serine/threonine kinase inhibitor currently used to treat hepatocellular carcinoma, advanced renal carcinoma and radioactive iodine-resistant thyroid carcinoma...
January 5, 2017: Autophagy
https://www.readbyqxmd.com/read/28055013/microrna-494-inhibits-breast-cancer-progression-by-directly-targeting-pak1
#14
Meng-Na Zhan, Xiao-Ting Yu, Jun Tang, Ci-Xiang Zhou, Chen-Long Wang, Qian-Qian Yin, Xiu-Feng Gong, Ming He, Jian-Rong He, Guo-Qiang Chen, Qian Zhao
MicroRNA (miRNA) is involved in the progression and metastasis of diverse human cancers, including breast cancer, as strong evidence has been found that miRNAs can act as oncogenes or tumor suppressor genes. Here, we show that miR-494 is decreased in human breast cancer specimens and breast cancer cell lines. Ectopic expression of miR-494 in basal-like breast cancer cell lines MDA-MB-231-LUC-D2H3LN and BT-549 inhibits clonogenic ability and metastasis-relevant traits in vitro. Moreover, ectopic expression of miR-494 suppresses neoplasm initiation as well as pulmonary metastasis in vivo...
January 5, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28053815/the-rare-and-challenging-presentation-of-gastric-cancer-during-pregnancy-a-report-of-three-cases
#15
Sergio Pacheco, Enrique Norero, Claudio Canales, José Miguel Martínez, María Elisa Herrera, Carolina Muñoz, Nicolás Jarufe
Pregnancy-associated gastric cancer is extremely rare. In many cases, it is diagnosed at an advanced stage because the symptoms during pregnancy are generally overlooked. We report three cases of gastric cancer during pregnancy with various outcomes. The first case included a patient with stage IV gastric cancer who received palliative chemotherapy. This patient had a preterm birth and died 7 months after diagnosis. The second case received neoadjuvant chemotherapy during pregnancy and a total gastrectomy was performed after delivery...
December 2016: Journal of Gastric Cancer
https://www.readbyqxmd.com/read/28052056/genome-wide-in-vivo-screen-identifies-novel-host-regulators-of-metastatic-colonization
#16
Louise van der Weyden, Mark J Arends, Andrew D Campbell, Tobias Bald, Hannah Wardle-Jones, Nicola Griggs, Martin Del Castillo Velasco-Herrera, Thomas Tüting, Owen J Sansom, Natasha A Karp, Simon Clare, Diane Gleeson, Edward Ryder, Antonella Galli, Elizabeth Tuck, Emma L Cambridge, Thierry Voet, Iain C Macaulay, Kim Wong, Sanger Mouse Genetics Project, Sarah Spiegel, Anneliese O Speak, David J Adams
Metastasis is the leading cause of death for cancer patients. This multi-stage process requires tumour cells to survive in the circulation, extravasate at distant sites, then proliferate; it involves contributions from both the tumour cell and tumour microenvironment ('host', which includes stromal cells and the immune system). Studies suggest the early steps of the metastatic process are relatively efficient, with the post-extravasation regulation of tumour growth ('colonization') being critical in determining metastatic outcome...
January 4, 2017: Nature
https://www.readbyqxmd.com/read/28052005/bortezomib-augments-lymphocyte-stimulatory-cytokine-signaling-in-the-tumor-microenvironment-to-sustain-cd8-t-cell-antitumor-function
#17
Samuel T Pellom, Duafalia F Dudimah, Menaka C Thounaojam, Roman V Uzhachenko, Ashutosh Singhal, Ann Richmond, Anil Shanker
Tumor-induced immune tolerance poses a major challenge for therapeutic interventions aimed to manage cancer. We explored approaches to overcome T-cell suppression in murine breast and kidney adenocarcinomas, and lung fibrosarcoma expressing immunogenic antigens. We observed that treatment with a reversible proteasome inhibitor bortezomib (1 mg/kg body weight) in tumor-bearing mice significantly enhanced the expression of lymphocyte-stimulatory cytokines IL-2, IL-12, and IL-15. Notably, bortezomib administration reduced pulmonary nodules of mammary adenocarcinoma 4T1...
December 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/28050697/development-and-validation-of-a-prediction-model-for-measurement-variability-of-lung-nodule-volumetry-in-patients-with-pulmonary-metastases
#18
Eui Jin Hwang, Jin Mo Goo, Jihye Kim, Sang Joon Park, Soyeon Ahn, Chang Min Park, Yeong-Gil Shin
OBJECTIVES: To develop a prediction model for the variability range of lung nodule volumetry and validate the model in detecting nodule growth. MATERIALS AND METHODS: For model development, 50 patients with metastatic nodules were prospectively included. Two consecutive CT scans were performed to assess volumetry for 1,586 nodules. Nodule volume, surface voxel proportion (SVP), attachment proportion (AP) and absolute percentage error (APE) were calculated for each nodule and quantile regression analyses were performed to model the 95% percentile of APE...
January 3, 2017: European Radiology
https://www.readbyqxmd.com/read/28050373/histopathologic-findings-in-autopsies-with-emphasis-on-interesting-and-incidental-findings-a-pathologist-s-perspective
#19
Sapna Patel, B R Rajalakshmi, G V Manjunath
INTRODUCTION: Autopsy aids to the knowledge of pathology by unveiling the rare lesions which are a source of learning from a pathologist's perspective Some of them are only diagnosed at autopsy as they do not cause any functional derangement. This study emphasizes the various incidental lesions which otherwise would have been unnoticed during a person's life. AIM: The aim of this study was to determine the spectrum of histopathological findings including neoplastic lesions related or unrelated to the cause of death...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28050004/interstitial-lung-disease-induced-by-pazopanib-treatment
#20
Shotaro Ide, Noriho Sakamoto, Shintaro Hara, Atsuko Hara, Tomoyuki Kakugawa, Yoichi Nakamura, Yoji Futsuki, Koichi Izumikawa, Yuji Ishimatsu, Katsunori Yanagihara, Hiroshi Mukae
Although pneumothorax has been reported to be a major pulmonary adverse event in patients treated with pazopanib, a multikinase inhibitor, drug-induced interstitial lung disease (DILD) has not been reported. A 74-year-old Japanese man who received pazopanib for the treatment of femoral leiomyosarcoma and lung metastasis presented with dyspnea and fatigue. He had mild interstitial pneumonia when pazopanib treatment was initiated. Chest computed tomography revealed progressive bilateral ground-glass opacity (GGO) and traction bronchiectasis...
2017: Internal Medicine
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