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gastric cancer peritoneal metastasis

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https://www.readbyqxmd.com/read/28748355/retrospective-comparison-of-s-1-plus-cisplatin-versus-s-1-monotherapy-for-the-treatment-of-advanced-gastric-cancer-patients-with-positive-peritoneal-cytology-but-without-gross-peritoneal-metastasis
#1
Izuma Nakayama, Keisho Chin, Tomohiro Matsushima, Daisuke Takahari, Mariko Ogura, Eiji Shinozaki, Mitsukuni Suenaga, Masato Ozaka, Takeru Wakatsuki, Takashi Ichimura, Osumi Hiroki, Kensei Yamaguchi
BACKGROUND: Peritoneal cytology positive for carcinoma cells (CY+) is an independent poor prognostic factor in gastric cancer, and patients with CY+ are diagnosed with stage IV disease. However, there is no standard treatment strategy for CY+ gastric cancer, whereas combination chemotherapy with fluoropyrimidine and platinum has been established as the standard treatment for unresectable advanced gastric cancer or after R2 resection. Herein, we assessed whether adding cisplatin to S-1 (SP) could improve the outcome of CY+ gastric cancer patients, as compared to S-1 monotherapy...
July 26, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28743181/feasibility-and-safety-of-hyperthermic-intraperitoneal-chemotherapy-using-5-fluorouracil-combined-with-cisplatin-and-mitomycin-c-in-patients-undergoing-gastrectomy-for-advanced-gastric-cancer
#2
Satoshi Murata, Hiroshi Yamamoto, Hiroyuki Naitoh, Tsuyoshi Yamaguchi, Sachiko Kaida, Tomoharu Shimizu, Hisanori Shiomi, Shigeyuki Naka, Tohru Tani, Masaji Tani
BACKGROUND AND OBJECTIVES: We conducted a dose-finding study for 5-fluorouracil (5-FU) administered with cisplatin (CDDP) and mitomycin C (MMC) to find an improved regimen for hyperthermic intraperitoneal chemotherapy (HIPEC) for advanced gastric cancer (GC). METHODS: The appropriate HIPEC regimen previously determined in vitro was 5-FU (200 µg/mL), MMC (2 µg/mL), and CDDP (10 µg/mL) at hyperthermic conditions (42°C) for 30 min. This was a clinical study to determine the recommended dose of 5-FU in combination with MMC and CDDP at 42°C for 30 min and to evaluate HIPEC safety in patients at high risk of developing peritoneal metastases following GC surgery...
July 25, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28726078/peritoneal-lavage-cea-mrna-levels-predict-conversion-gastrectomy-outcomes-after-induction-chemotherapy-with-intraperitoneal-paclitaxel-in-gastric-cancer-patients-with-peritoneal-metastasis
#3
Hironori Yamaguchi, Yumiko Satoh, Hironori Ishigami, Makiko Kurihara, Yutaka Yatomi, Joji Kitayama
BACKGROUND: The outcome of gastric cancer patients with peritoneal metastasis remains poor. We treated these patients with intraperitoneal and intravenous paclitaxel plus oral S-1 (tegafur/gimeracil/oteracil), followed by gastrectomy in responders. We evaluated the clinical significance of peritoneal lavage carcinoembryonic antigen (CEA) messenger RNA (mRNA) levels as a biomarker for indication of conversion gastrectomy. METHODS: The peritoneal lavage of 68 patients who received the above regimen as induction chemotherapy was repeatedly collected via intraperitoneal access ports...
July 19, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28726044/computed-tomographic-characteristics-for-patients-with-unresectable-gastric-cancer-harboring-low-volume-peritoneal-carcinomatosis
#4
Jhe-Cyuan Guo, Chin-Chen Chang, Chung-Yi Yang, Bin-Chi Liao, Jau-Yu Liau, Chin-Hao Chang, Kun-Huei Yeh
Although current staging workups could differentiate most patients with operable from inoperable advanced gastric cancers, there are still some patients with low-volume peritoneal carcinomatosis, defined as only metastasis with multiple subcentimeter lesions in peritoneum, receiving unnecessary open-close procedures. The computed tomography (CT) of the patients with unresectable advanced gastric cancer harboring low-volume peritoneal carcinomatosis was retrospectively identified and then thoroughly reviewed by two independent radiologists unaware of the peritoneal carcinomatosis status...
August 2017: Medical Oncology
https://www.readbyqxmd.com/read/28722080/-a-surgery-oriented-classification-in-conversion-therapy-of-gastric-cancer
#5
Ziyu Li, Kan Xue, Jiafu Ji
Clinical practice showed that some advanced gastric cancer (AGC) patients achieved long-term survival after surgery, whereas some benefited from non-surgical treatment. In recent years, with the emergence of new drugs, diversity of treatment and development of multi-disciplinary team, the concept of conversion therapy comes into attention. Owing to diverse phenotypes with scattered cases, publications are mainly case reports or small sample studies from single centers, which makes it hard to acquire high-level evidence...
July 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28686925/recurrent-gastric-cancer-metastasizing-to-the-bone-marrow-a-case-report-of-a-rare-presentation
#6
Ernest Fonocho, Nail Aydin, Srini Reddy, Subhasis Misra
INTRODUCTION: Gastric cancer notoriously recurs post curative surgical resection. While there may be visceral metastasis to peritoneal surfaces, bone marrow involvement may also occur although with rarity. We present a case report of recurrent gastric cancer with bone marrow metastasis in a patient with no evidence of systemic disease on follow-up for two years post surgical resection. This case demonstrates the need of heightened clinical suspicion in these patients. METHODS: We reviewed the medical records of a patient who presented with metastatic gastric adenocarcinoma to the bone marrow two years post R0 subtotal gastrectomy with Roux-en-Y gastrojejunostomy without evidence of systemic disease on follow up for two years...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28671736/overexpression-of-pcdhb9-promotes-peritoneal-metastasis-and-correlates-with-poor-prognosis-in-patients-with-gastric-cancer
#7
Shoichiro Mukai, Naohide Oue, Takashi Oshima, Takeharu Imai, Yohei Sekino, Ririno Honma, Naoya Sakamoto, Kazuhiro Sentani, Hiroki Kuniyasu, Hiroyuki Egi, Kazuaki Tanabe, Kazuhiro Yoshida, Hideki Ohdan, Wataru Yasui
Gastric cancer (GC) is one of the most common human cancers. Genes expressed only in cancer tissue, especially on the cell membrane, may be useful biomarkers for cancer diagnosis and therapeutics. In the present study, we focused on the PCDHB9 gene, which encodes transmembrane protein protocadherin B9. Immunohistochemical analysis revealed that 62 (36%) of 173 GC cases were positive for protocadherin B9. Protocadherin B9 staining was mainly observed on GC cell membrane. Expression of protocadherin B9 was frequently found in intestinal type GC and correlated with poor prognosis in patients with intestinal type GC...
July 3, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28661037/aeg-1-induces-gastric-cancer-metastasis-by-upregulation-of-eif4e-expression
#8
Shengjie Wu, Li Yang, Dandan Wu, Zhongyuan Gao, Ping Li, Wenbin Huang, Xuerong Wang
Gastric cancer is the third leading cause of cancer-related deaths worldwide, and patients with lymph node, peritoneal and distant metastasis have a poor prognosis. Overexpression of Astrocyte-elevated gene-1 (AEG-1) has been reported to be correlated with the progression and metastasis of gastric cancer. However, its mechanisms are quite unclear. In this study, we found that elevated expression of AEG-1 was correlated with metastasis in human gastric cancer tissues. Moreover, gain- or loss-of-function of AEG-1, respectively, promoted or suppressed epithelial-mesenchymal transition (EMT), migration and invasion of gastric cancer cells...
June 29, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28656883/mir-136-inhibits-gastric-cancer-specific-peritoneal-metastasis-by-targeting-hoxc10
#9
Jianyong Zheng, Peng Ge, Xiaonan Liu, Jiangpeng Wei, Guosheng Wu, Xiaohua Li
Functions of microRNAs have been characterized in the embryologic, physiologic, and oncogenic processes, but the role of microRNAs in mediating tumor-specific organ metastasis was addressed only recently and still absent in gastric cancer peritoneal metastasis. Here, we used the microarray analysis to define the gastric cancer peritoneal metastasis-related microRNAs from highly peritoneal metastatic derivatives (GC-9811P cells) and the parental GC-9811 human gastric cancer cells. MiR-136 was found to be decreased in all peritoneal metastatic sublines when compared with that in the parental line...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28650730/yield-of-staging-laparoscopy-for-incurable-factors-in-chinese-patients-with-advanced-gastric-cancer
#10
Jun Huang, Hongliang Luo, Chengliang Zhou, Jianjun Zhan, Xionghui Rao, Gang Zhao, Zhengming Zhu
BACKGROUND: Although the role of staging laparoscopy (SL) in detecting radiologically occult M1 disease has been widely recognized, it is seldom used in China and its clinical value based on Chinese population has been rarely reported. The aim of this study is to identify the yield of SL for Chinese patients with advanced gastric cancer (AGC) and determine the proportions of patients in whom treatment plan is altered. MATERIALS AND METHODS: The clinical data were retrospectively collected from 879 AGC patients who underwent SL without any definite signs of disseminated disease on imaging examination...
June 26, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28622689/prognostic-impact-and-implications-of-extracapsular-lymph-node-spread-in-borrmann-type-iv-gastric-cancer
#11
Rui-Zeng Dong, Jian-Min Guo, Ze-Wei Zhang, Yi-Min Zhou, Ying Su
The purpose of this study was to evaluate the relationship between extracapsular lymph node spread (ECS) and clinicopathology and its influence on the prognosis in patients with Borrmann type IV gastric cancer. Between 2002 and 2014, clinical data were reviewed from 486 patients with Borrmann type IV gastric cancer who underwent curative resection. Of the 486 patients, lymph node metastasis was found in 456. ECS was detected in 213 (46.7%) patients with lymph node metastasis. A positive lymph node with ECS was significantly correlated with the N category, lymphatic/venous invasion, tumor location, and TNM stage...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28575019/clinicopathologic-significance-of-the-cxcl1-cxcr2-axis-in-the-tumor-microenvironment-of-gastric-carcinoma
#12
Hiroaki Kasashima, Masakazu Yashiro, Hirohisa Nakamae, Go Masuda, Haruhito Kinoshita, Tamami Morisaki, Tatsunari Fukuoka, Tsuyoshi Hasegawa, Takahiko Nakane, Masayuki Hino, Kosei Hirakawa, Masaichi Ohira
PURPOSE: It was reported that the chemokine (C-X-C motif) ligand 1 (CXCL1) from cancer cells stimulated the recruitment of bone marrow-derived mesenchymal cells (BM-MCs) into tumor stroma via chemokine (C-X-C motif) receptor 2 (CXCR2) signaling. We conducted this retrospective study to determine the clinicopathologic significance of the CXCL1-CXCR2 axis in human gastric cancer. METHODS: The correlations between the clinicopathological features of 270 primary gastric carcinomas and CXCL1 in cancer cells and CXCR2 in stromal cells were analyzed in immunohistochemical studies...
2017: PloS One
https://www.readbyqxmd.com/read/28560594/fbxo50-enhances-the-malignant-behavior-of-gastric-cancer-cells
#13
Takashi Miwa, Mitsuro Kanda, Haruyoshi Tanaka, Chie Tanaka, Daisuke Kobayashi, Shinichi Umeda, Naoki Iwata, Masamichi Hayashi, Suguru Yamada, Tsutomu Fujii, Michitaka Fujiwara, Yasuhiro Kodera
BACKGROUND: Challenges to our understanding the molecular mechanisms of the progression of gastric cancer (GC) must be overcome to facilitate the identification of novel biomarkers and therapeutic targets. In this article, we analyzed the expression of the gene encoding F-box-only 50 (FBXO50) and determined whether it contributes to the malignant phenotype of GC. METHODS: FBXO50 messenger RNA (mRNA) levels and copy numbers of the FBXO50 locus were determined in 10 GC cell lines and a nontumorigenic epithelial cell line...
May 30, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28545511/gastric-hepatoid-adenocarcinoma-resulting-in-a-spontaneous-gastric-perforation-a-case-report-and-review-of-the-literature
#14
Junichi Yoshizawa, Satoshi Ishizone, Meguru Ikeyama, Jun Nakayama
BACKGROUND: Gastric hepatoid adenocarcinoma (GHAC) is an atypical form of gastric cancer (GC) that has similar tissue morphology to hepatocellular carcinoma and frequently produces alpha-fetoprotein. We present an exceedingly rare case of GHAC resulting in a spontaneous gastric perforation. CASE PRESENTATION: A 61-year-old man presented at our institution complaining of abdominal and back pain. A computed tomography scan revealed a spontaneous gastric perforation with a solitary liver tumor and lymph node swelling...
May 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28536489/depth-of-tumor-invasion-and-tumor-occupied-portions-of-stomach-are-predictive-factors-of-intra-abdominal-metastasis
#15
Ziyu Li, Zhemin Li, Zhaode Bu, Aiwen Wu, Lianhai Zhang, Xiaojiang Wu, Shuangxi Li, Fei Shan, Xin Ji, Jiafu Ji
OBJECTIVE: Diagnostic laparoscopy is recommended for the pretherapeutic staging of gastric cancer to detect any unexpected or unconfirmed intra-abdominal metastasis. The aim of this study was to evaluate the role and indications of diagnostic laparoscopy in the detection of intra-abdominal metastasis. METHODS: Standard diagnostic laparoscopy with peritoneal cytology examination was performed prospectively on patients who were clinically diagnosed with primary local advanced gastric cancer (cT≥2M0)...
April 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28534324/-strategies-of-diagnosis-and-treatment-for-peritoneal-metastasis-of-gastric-cancer
#16
Pin Liang, Xiang Hu
Peritoneal metastasis of gastric cancer is the main cause of death in gastric cancer patients. Peritoneal metastasis of gastric cancer is difficult to diagnose in its early stage due to lack of obvious clinical signs and symptoms, and poor treatment outcomes and prognosis are often associated with late stage peritoneal metastasis. Therefore, it is crucial to utilize effective early diagnostic tools and to improve the long-term outcomes and the prognosis of patients with advanced gastric cancer. Recently, systemic chemotherapy and intraperitoneal chemotherapy are the first line therapy, and cytoreductive operation plus abdominal cavity thermochemotherapy may be the best method in the treatment of peritoneal metastasis...
May 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28516306/peritoneal-metastasis-from-pancreatic-cancer-treated-with-pressurized-intraperitoneal-aerosol-chemotherapy-pipac
#17
Martin Graversen, Sönke Detlefsen, Jon Kroll Bjerregaard, Per Pfeiffer, Michael Bau Mortensen
Patients with peritoneal metastasis (PM) from pancreatic cancer have a short life expectancy. Systemic combination chemotherapy leads to a median overall survival of 7-8 months. Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC) is a treatment alternative, where studies in patients with PM from ovarian, gastric and colorectal cancer show a high safety profile and interesting results. This case study report data on the PIPAC treatment in patients with PM from pancreatic cancer. In a standard laparoscopy, chemotherapeutics (cisplatin and doxorubicin) are nebulized within the peritoneal cavity...
May 17, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28514062/locoregional-therapy-with-%C3%AE-emitting-trastuzumab-against-peritoneal-metastasis-of-human-epidermal-growth-factor-receptor-2-positive-gastric-cancer-in-mice
#18
Huizi Keiko Li, Yukie Morokoshi, Kotaro Nagatsu, Tadashi Kamada, Sumitaka Hasegawa
Peritoneal metastasis of gastric cancer (PMGC) is incurable and thus has an extremely poor prognosis. We have found, however, that locoregionally administered trastuzumab armed with astatine-211 ((211) At-trastuzumab) is effective against human epidermal growth factor receptor 2 (HER2)-positive PMGC in a xenograft mouse model. We first observed that (211) At-trastuzumab can specifically bind and effectively kill NCI-N87 (N87) cells, which are HER2-positive human metastatic GC cells, both in vitro and in s.c...
August 2017: Cancer Science
https://www.readbyqxmd.com/read/28501127/c-c-motif-chemokine-22-ligand-ccl22-concentrations-in-sera-of-gastric-cancer-patients-are-related-to-peritoneal-metastasis-and-predict-recurrence-within-one-year-after-radical-gastrectomy
#19
Yuzhe Wei, Tie Wang, Hongjiang Song, Lining Tian, Gongwei Lyu, Lei Zhao, Yingwei Xue
BACKGROUND: Gastric cancer is a common cancer with a poor prognosis. Chemokines play important roles in the tumor microenvironments to support tumor growth and metastasis. The effects of C-C motif chemokine ligand 22 (CCL22) in gastric cancer remain unclear. MATERIALS AND METHODS: Between January 1, 2014 and April 31, 2014, a total of 298 gastric cancer patients were recruited to this study. Circulating concentrations of CCL22 were measured in gastric cancer patients before surgery, at discharged and during follow-up visits...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28456896/the-survival-and-prognosticators-of-peritoneal-cytology-positive-gastric-cancer-patients-who-received-upfront-gastrectomy-and-subsequent-s-1-chemotherapy
#20
Kazuki Kano, Toru Aoyama, Yukio Maezawa, Tetsushi Nakajima, Kosuke Ikeda, Takanobu Yamada, Tsutomu Sato, Takashi Oshima, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Haruhiko Cho, Takaki Yoshikawa
BACKGROUND: Upfront surgery and subsequent S-1 chemotherapy is frequently selected for peritoneal cytology-positive (CY1) gastric cancer patients without other distant metastases (CY1-only). The objective of this study was to confirm the efficacy of this strategy in clinical practice and to identify the risk factors associated with survival. METHODS: Overall survival (OS) and recurrence-free survival (RFS) were examined in 36 CY1-only patients who underwent macroscopic curative resection followed by postoperative S-1 chemotherapy between January 2000 and June 2015...
April 29, 2017: International Journal of Clinical Oncology
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