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https://www.readbyqxmd.com/read/29332359/novel-molecular-and-metabolic-aspects-in-osteosarcoma
#1
Evangelos Tsiambas, Panagiotis P Fotiades, Chrissa Sioka, Dimitrios Kotrotsios, Evangelia Gkika, Andreas Fotopoulos, Stylianos N Mastronikolis, Ilianna E Armata, Evangelos Giotakis, Vasileios Ragos
Osteosarcoma (OS) is the most frequent bone-forming malignancy in children and adolescents. Concerning its molecular landscape, there is no a direct relationship with a specific gene, but a combination of genetic events. A broad spectrum of activated oncogenes and downregulated suppressor genes has been already explored and considered crucial for its progressive pathogenesis. Mechanisms of gene deregulation include amplifications, point mutations, allelic losses and also epigenetic abnormalities such as aberrant promoter methylation...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332357/management-of-b3-lesions-of-the-breast-implementations-of-current-recommendations-in-clinical-practice
#2
Konstantinos Stergios, Ashraf Patel, Vasilios Pergialiotis
PURPOSE: Stereotactic needle breast biopsy and vacuum assisted breast biopsy have replaced wide local excision in the last decades. B3 lesions of the breast represent a particular subgroup which is difficult to manage. The purpose of the present study was to present our experience with this specific type of lesions and to examine the conformity of Princess Margaret Hospital with current recommendations. METHODS: We retrospectively searched for patients that attended the Breast Clinic of Princess Alexandra Hospital during the period 2012-2015, and were diagnosed with B3 lesions during stereotactic needle core biopsy...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332351/cytoreductive-surgery-and-hyperthermic-intraperitenoal-chemotherapy-hipec-for-colorectal-and-appendiceal-carcinomas-with-peritoneal-carcinomatosis
#3
Nicolaos Pallas, Christina Karamveri, Dimitrios Kyziridis, Christos Hristakis, Vasileios Kyriakopoulos, Apostolos Kalakonas, Dimitrios Vaikos, Antonios-Apostolos K Tentes
PURPOSE: Cytoreductive surgery combined with intraperitoneal chemotherapy has been established as the standard treatment for selected patients with peritoneal malignancy. The purpose of the study was the presentation of the 10- year experience with cytoreductive surgery and intraperitoneal chemotherapy in patients with peritoneal carcinomatosis of colorectal and appendiceal origin. METHODS: Clinical and histopathological variables were retrospectively reviewed in a prospectively maintained database...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332326/carcinogenic-potential-of-antitumor-therapies-is-the-risk-predictable
#4
Ivanka Nenova, Janet Grudeva-Popova
The growing number of successfully cured cancer patients has created a new field in oncogenesis. The life expectancy of such patients has increased, however this favorable event may create enough time for epigenetic events to occur which can cause a new carcinognic event, i.e. a secondary malignancy. The terms in use are second primary malignancies as well as therapy-related neoplasms in case the treatment of the first neoplasm is a direct cause. Second primary malignancies can be hematological neoplasms or solid tumors, with solid tumors having higher frequency...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332301/evaluating-risk-tolerance-from-a-systematic-review-of-preferences-the-case-of-patients-with-psoriasis
#5
REVIEW
Juan Marcos Gonzalez
BACKGROUND: Stated-preference methods have been widely used to evaluate patient-relative preferences for the benefits and potential harms of psoriasis treatments. However, risk tolerance measures for treatment-related harms, a corollary of preferences, are rare despite their critical role in shared decision making and regulatory benefit-risk evaluations. This article presents a method to enhance information on patient risk tolerance through previously published preference results. OBJECTIVE: The objective of this article was to conduct the first meta-analysis of preferences to characterize the distribution of patients' maximum acceptable risk of harms associated with psoriasis treatments...
January 13, 2018: Patient
https://www.readbyqxmd.com/read/29332262/tumor-expression-of-survivin-p53-cyclin-d1-osteopontin-and-fibronectin-in-predicting-the-response-to-neo-adjuvant-chemotherapy-in-children-with-advanced-malignant-peripheral-nerve-sheath-tumor
#6
Gabrielle Karpinsky, Malgorzata A Krawczyk, Ewa Izycka-Swieszewska, Aleksandra Fatyga, Agnieszka Budka, Walentyna Balwierz, Grazyna Sobol, Beata Zalewska-Szewczyk, Magdalena Rychlowska-Pruszynska, Teresa Klepacka, Bozenna Dembowska-Baginska, Bernarda Kazanowska, Anna Gabrych, Ewa Bien
PURPOSE: Selected cell-cycle regulators and extracellular matrix proteins were found to play roles in malignant peripheral nerve sheath tumor (MPNST) biology. We aimed to analyze whether initial tumor tissue expressions of survivin, p53, cyclin D1, osteopontin (OPN) and fibronectin (FN) correlate with the response to neo-adjuvant CHT (naCHT) in children with advanced inoperable MPNST. METHODS: The study included 26 children with MPNST (M/F 14/12, median age 130 months) treated in Polish centers of pediatric oncology between 1992 and 2013...
January 13, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29332201/gouty-involvement-of-the-patella-and-extensor-mechanism-of-the-knee-mimicking-aggressive-neoplasm-a-case-series
#7
Christopher Kester, Matthew T Wallace, James Jelinek, Albert Aboulafia
Gout is a common inflammatory crystal deposition disease that occurs in many joints throughout the body. Active gout is most often associated with painful synovitis causing searing joint pains, but gout can also produce large masses of space-occupying deposits called tophi. Tophi are most frequently seen in juxta-articular locations with or without bony erosion and are often misdiagnosed as degenerative joint disease. Soft tissue deposits and tendon involvement are also known manifestations of gout, but can present with indeterminate and alarming findings on imaging...
January 14, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29332185/handedness-and-the-risk-of-glioma
#8
Briana Miller, Noah C Peeri, Louis Burt Nabors, Jordan H Creed, Zachary J Thompson, Carrie M Rozmeski, Renato V LaRocca, Sajeel Chowdhary, Jeffrey J Olson, Reid C Thompson, Kathleen M Egan
Gliomas are the most common type of malignant primary brain tumor and few risk factors have been linked to their development. Handedness has been associated with several pathologic neurological conditions such as schizophrenia, autism, and epilepsy, but few studies have evaluated a connection between handedness and risk of glioma. In this study, we examined the relationship between handedness and glioma risk in a large case-control study (1849 glioma cases and 1354 healthy controls) and a prospective cohort study (326,475 subjects with 375 incident gliomas)...
January 13, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29332062/cytologic-features-of-malignant-melanoma-with-osteoclast-like-giant-cells
#9
José A Jiménez-Heffernan, Magdalena Adrados, Patricia Muñoz-Hernández, Paloma Fernández-Rico, Ana I Ballesteros-García, Javier Fraga
BACKGROUND: Malignant melanoma showing numerous osteoclast-like giant cells (OGCs) is an uncommon morphologic phenomenon, rarely mentioned in the cytologic literature. The few reported cases seem to have an aggressive clinical behavior. Although most findings support monocyte/macrophage differentiation, the exact nature of OGCs is not clear. CASE: A 57-year-old woman presented with an inguinal lymphadenopathy. Sixteen years before, cutaneous malignant melanoma of the lower limb had been excised...
January 13, 2018: Acta Cytologica
https://www.readbyqxmd.com/read/29332027/phyllodes-tumors-of-the-breast-clinicopathological-analysis-of-106-cases-from-a-single-institution
#10
Boubacar Efared
BACKGROUND: Phyllodes tumors (PT) are uncommon biphasic tumors, accounting for less than 1% of all breast primary neoplasms. They form a wide variety of tumors ranging from benign to malignant. Several histological features are used to grade PT into 3 categories: benign (grade I), borderline (grade II) and malignant (grade III) tumors. The aim of our study was to analyse histolopathological, radiological and clinical features of PT from an experience of a single center. METHODS: It was a retrospective study including 106 patients diagnosed with phyllodes tumors on surgical specimens at the department of pathology, of Hassan II university hospital (Fez, Morocco), from 2009 to 2016...
January 10, 2018: Breast Disease
https://www.readbyqxmd.com/read/29331887/idh1r132h-promotes-malignant-transformation-of-benign-prostatic-epithelium-by-dysregulating-micrornas-involvement-of-igf1r-akt-stat3-signaling-pathway
#11
Lili Zhang, Mei Qi, Tingting Feng, Jing Hu, Lin Wang, Xinjun Li, Wei Gao, Hui Liu, Meng Jiao, Zhen Wu, Xinnuo Bai, Yifan Bie, Long Liu, Bo Han
Risk stratification using molecular features could potentially help distinguish indolent from aggressive prostate cancer (PCa). Mutations in isocitrate dehydrogenase (IDH) acquire an abnormal enzymatic activity, resulting in the production of 2-hydroxyglutarate and alterations in cellular metabolism, histone modification, and DNA methylation. Mutant IDH1 has been identified in various human malignancies, and IDH1R132H constituted the vast majority of mutational events of IDH1. Most recent studies suggested that IDH1 mutations define a methylator subtype in PCa...
January 11, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29331886/anti-cancer-effects-of-hnha-and-lenvatinib-by-the-suppression-of-emt-mediated-drug-resistance-in-cancer-stem-cells
#12
Yong Sang Lee, Seok-Mo Kim, Bup-Woo Kim, Ho Jin Chang, Soo Young Kim, Cheong Soo Park, Ki Cheong Park, Hang-Seok Chang
Anaplastic thyroid cancer (ATC) constitutes less than 2% of total thyroid cancers but accounts for 20-40% of thyroid cancer-related deaths. Cancer stem cell drug resistance represents a primary factor hindering treatment. This study aimed to develop targeted agents against thyroid malignancy, focusing on individual and synergistic effects of HNHA (histone deacetylase), lenvatinib (FGFR), and sorafenib (tyrosine kinase) inhibitors. Patients with biochemically and histologically proven papillary thyroid cancer (PTC) and ATC were included...
January 11, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29331885/autonomously-hyperfunctioning-cystic-nodule-harbouring-thyroid-carcinoma-case-report-and-literature-review
#13
Maria João Lima, Virgínia Soares, Pedro Koch, Artur Silva, António Taveira-Gomes
INTRODUCTION: Hyperthyroidism is rarely associated with malignancy, but it cannot rule out thyroid cancer. Although there is published data describing this coexistence, thyroid carcinomas inside autonomously functioning nodules are uncommon. PRESENTATION OF CASE: A 49-year-old woman presented with a cervical mass, unexplained weight loss and anxiousness, sweating and insomnia. On physical examination, she had a palpable left thyroid nodule. Thyroid function tests showed suppressed TSH (<0,1 uUI/mL), thyroxine 1,44 ng/dL (normal range 0,70-1,48) and triiodothyronine 4,33 pg/mL (normal range 1,71-3,71)...
January 8, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29331883/curative-distal-pancreatectomy-in-patients-with-acinar-cell-carcinoma-of-pancreas-diagnosed-by-endoscopic-aspiration-via-esophago-jejunostomy-a-successful-case-report
#14
Takeomi Hamada, Atsushi Nanashima, Masahide Hiyoshi, Makoto Ikenoue, Naoya Imamura, Koichi Yano, Yoshiro Fujii, Yoshimasa Kubota, Tesshin Ban, Hiroshi Kawakami, Yuichiro Sato
INTRODUCTION: This is a case report on the advances in preoperative endoscopic-guided fine-needle-aspiration (FNA) diagnosis for pancreatic carcinoma to achieve a curative operation even in patients who have a history of total gastrectomy. CASE PRESENTATION: A 65-year-old man, who underwent total gastrectomy for gastric cancer 13 years ago, had discomfort in the left lateral abdomen. A 3-cm hypovascular mass accompanying a large distal pseudocyst in the pancreatic tail was observed on computed tomography...
January 8, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29331762/suppression-of-capn4-by-microrna-1271-impedes-the-proliferation-and-invasion-of-colorectal-cancer-cells
#15
Jibin Li, Jian Xu, Xiaofei Yan, Keer Jin, Wenya Li, Rui Zhang
Accumulating evidence has suggested that calpain small subunit 1 (Capn4) plays an important role in the development and progression of malignant tumors. However, little is known about the role of Capn4 in colorectal cancer (CRC). In this study, we aimed to investigate the potential role of Capn4 in CRC and the regulation of Capn4 by microRNAs (miRNAs). Here, we found that Capn4 expression was highly up-regulated in CRC cell lines. Knockdown of Capn4 by siRNA significantly inhibited the proliferation and invasion of CRC cell lines...
January 10, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29331736/dysfunctional-telomeres-and-hematological-disorders
#16
REVIEW
Elena Fiorini, Andrea Santoni, Simona Colla
Telomere biology disorders, which are characterized by telomerase activity haploinsufficiency and accelerated telomere shortening, most commonly manifest as degenerative diseases. Tissues with high rates of cell turnover, such as those in the hematopoietic system, are particularly vulnerable to defects in telomere maintenance genes that eventually culminate in bone marrow (BM) failure syndromes, in which the BM cannot produce sufficient new blood cells. Here, we review how telomere defects induce degenerative phenotypes across multiple organs, with particular focus on how they impact the hematopoietic stem and progenitor compartment and affect hematopoietic stem cell (HSC) self-renewal and differentiation...
January 4, 2018: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/29331646/progress-in-the-management-of-advanced-thoracic-malignancies-in-2017
#17
REVIEW
Roberto Ferrara, Laura Mezquita, Benjamin Besse
The treatment paradigm of non-small cell lung cancer (NSCLC) underwent a major revolution during the course of 2017. Immune checkpoint inhibitors (ICIs) brought remarkable improvements in response and overall survival (OS) both in unselected pretreated patients and in untreated patients with PD-L1 expression ≥50%. Furthermore, compelling preliminary results were reported for new combinations of anti-PD-1/PD-L1 agents with chemotherapy or anti-CTLA4 inhibitors. The success of the ICIs appeared to extend to patients with small cell lung cancer (SCLC), mesothelioma or thymic tumors...
January 10, 2018: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29331423/thymidylate-synthase-prompts-metastatic-progression-through-the-dtmp-associated-emt-process-in-pancreatic-ductal-adenocarcinoma
#18
Muxing Kang, Wen Zheng, Qing Chen, Wenjie Qin, Pengping Li, Shifei Huang, Yizhao Zhou, Lantian Wang, Haolei Cai, Wenjie Lu, Biao Jiang, Qingqu Guo, Jian Chen, Dylan Wan, Jianyu Rao, Yulian Wu
As a fundamental metabolic enzyme, anti-Thymidylate synthase (TS) strategy has been shown to be an effective therapy for human cancers. However, the genuine effects of TS in pancreatic ductal adenocarcinoma (PDA) are still conflicting. We systemically assessed the prognostic value and whether TS associated with malignant progression in PDA. Protein and mRNA expression level of TS were evaluated in en bloc PDA samples, the prognostic effect of TS expressed in cytoplasm or cytonuclear was determined separately in the first time...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29331412/anti-leukemic-effects-of-ppar%C3%AE-ligands
#19
Somi Ryu, Dae Seong Kim, Myoung Woo Lee, Ji Won Lee, Ki Woong Sung, Hong Hoe Koo, Keon Hee Yoo
The peroxisome proliferator-activated receptor (PPAR) γ, a subtype of PPARs, is a member of the nuclear receptor family. PPARγ and its ligands contribute to various types of diseases including cancer. Given that currently developed therapies against leukemia are not very effective or safe, PPARγ ligands have been shown to be a new class of compounds with the potential to treat hematologic malignancies, particularly leukemia. The capability of PPARγ ligands to induce apoptosis, inhibit proliferation, and promote differentiation of leukemia cells suggests it has significant potential as a drug against leukemia...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29331343/irradiation-stents-vs-conventional-metal-stents-for-unresectable-malignant-biliary-obstruction-a-multicentre-trial
#20
Hai-Dong Zhu, Jin-He Guo, Ming Huang, Jian-Song Ji, Hao Xu, Jian Lu, Hai-Liang Li, Wen-Hui Wang, Yu-Liang Li, Cai-Fang Ni, Hai-Bin Shi, En-Hua Xiao, Wei-Fu Lv, Jun-Hui Sun, Ke Xu, Guo-Hong Han, Lin-An Du, Wei-Xin Ren, Mao-Quan Li, Ai-Wu Mao, Hua Xiang, Kai-Xian Zhang, Jie Min, Guang-Yu Zhu, Chang Su, Li Chen, Gao-Jun Teng
BACKGROUND & AIMS: Placement of an irradiation stent has been demonstrated to offer longer patency and survival when compared to an uncovered SEMS in patients with unresectable malignant biliary obstruction (MBO). We aim to further assess the efficacy of an irradiation stent compared to an uncovered SEMS in those patients. METHODS: We performed a randomized, open-label trial of participants with unresectable MBO at 20 centers in China. A total of 328 participants were parallelly allocated into the irradiation stent group (ISG) or the uncovered SEMS group (USG)...
January 10, 2018: Journal of Hepatology
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