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https://www.readbyqxmd.com/read/28890117/potential-for-peritoneal-cancer-cell-seeding-in-endoscopic-full-thickness-resection-for-early-gastric-cancer
#1
Osamu Goto, Masayuki Shimoda, Motoki Sasaki, Yoshiyuki Kiguchi, Yutaka Mitsunaga, Teppei Akimoto, Yasutoshi Ochiai, Ai Fujimoto, Tadateru Maehata, Toshihiro Nishizawa, Hiroya Takeuchi, Yuko Kitagawa, Kaori Kameyama, Naohisa Yahagi
BACKGROUND AND AIMS: During endoscopic full-thickness resection (EFTR) for cancers, whether exposure of the lumen to the abdominal cavity during the procedure is acceptable is controversial because of the potential risk of tumor cell seeding. To assess the possibility of transplantation due to contact with tumor cells during the procedure, we prospectively investigated the ability of cancer cells to be detached by touching the tumor surface. METHODS: In 48 patients with a single early gastric cancer resected by endoscopic submucosal dissection, stamp cytology was performed by touching the surface of the specimens to glass slides...
September 7, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28881161/leptomeningeal-carcinomatosis-from-gastric-cancer-successfully-treated-by-the-intrathecal-methotrexate-plus-temozolomide-and-simultaneous-radiotherapy-case-report-and-literatures-review
#2
Yangyang Liu
Leptomeningeal carcinomatosis (LMC) from gastrointestinal cancer is rare. A 56-year-old man with complaint of upper abdominal pain exhibited adenocarcinoma upon histopathologic examination of biopsy specimens. At the end of adjuvant chemotherapy, the patient was affected by hearing loss. Malignant cells were observed by cerebrospinal fluid (CSF) cytology. Therefore, the patient received intrathecal methotrexate and oral temozolomide chemotherapy and radiotherapy. The progress-free survival was approximately 11 months...
September 7, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28840050/gastric-medullary-carcinoma-with-sporadic-mismatch-repair-deficiency-and-a-tp53-r273c-mutation-an-unusual-case-with-wild-type-braf
#3
Brett M Lowenthal, Theresa W Chan, John A Thorson, Kaitlyn J Kelly, Thomas J Savides, Mark A Valasek
Medullary carcinoma has long been recognized as a subtype of colorectal cancer associated with microsatellite instability and Lynch syndrome. Gastric medullary carcinoma is a very rare neoplasm. We report a 67-year-old male who presented with a solitary gastric mass. Total gastrectomy revealed a well-demarcated, poorly differentiated carcinoma with an organoid growth pattern, pushing borders, and abundant peritumoral lymphocytic response. The prior cytology was cellular with immunohistochemical panel consistent with upper gastrointestinal/pancreaticobiliary origin...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28810883/treatment-of-localized-gastric-and-gastroesophageal-adenocarcinoma-the-role-of-accurate-staging-and-preoperative-therapy
#4
REVIEW
Brian Badgwell, Prajnan Das, Jaffer Ajani
Gastric cancer is the third most common cause of cancer death worldwide, although it is not in the top 10 causes of cancer death in Northern America. Due to clear differences in incidence, screening, risk factors, tumor biology, and treatment between gastric cancers from Eastern and Western countries, our treatment is primarily guided by trials from Western countries. Patients undergo an extensive staging evaluation including high-quality CT imaging, endoscopic ultrasound, and diagnostic laparoscopy with peritoneal washings for cytology...
August 15, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28799004/phase-ii-trial-of-laparoscopic-hyperthermic-intraperitoneal-chemoperfusion-for-peritoneal-carcinomatosis-or-positive-peritoneal-cytology-in-patients-with-gastric-adenocarcinoma
#5
Brian Badgwell, Mariela Blum, Prajnan Das, Jeannelyn Estrella, Xuemei Wang, Linus Ho, Keith Fournier, Richard Royal, Paul Mansfield, Jaffer Ajani
PURPOSE: The aim of this phase II study was to perform neoadjuvant hyperthermic intraperitoneal chemoperfusion (HIPEC) via a minimally invasive approach without cytoreduction for patients with gastric cancer and positive peritoneal cytology or low-volume peritoneal carcinomatosis. METHODS: Patients with gastric or gastroesophageal adenocarcinoma and positive peritoneal cytology or radiologically occult peritoneal carcinomatosis after systemic chemotherapy received laparoscopic HIPEC with mitomycin C 30 mg and cisplatin 200 mg...
August 10, 2017: Annals of Surgical Oncology
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
#6
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/28726078/peritoneal-lavage-cea-mrna-levels-predict-conversion-gastrectomy-outcomes-after-induction-chemotherapy-with-intraperitoneal-paclitaxel-in-gastric-cancer-patients-with-peritoneal-metastasis
#7
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/28722080/-a-surgery-oriented-classification-in-conversion-therapy-of-gastric-cancer
#8
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/28705789/treatment-of-peritoneal-dissemination-in-stomach-cancer-patients-with-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy-hipec-rationale-and-design-of-the-periscope-study
#9
Rosa T van der Kaaij, Hidde Jw Braam, Henk Boot, Maartje Los, Annemieke Cats, Cecile Grootscholten, Jan Hm Schellens, Arend Gj Aalbers, Alwin Dr Huitema, Catherijne Aj Knibbe, Djamila Boerma, Marinus J Wiezer, Bert van Ramshorst, Johanna W van Sandick
BACKGROUND: Patients with gastric cancer and peritoneal carcinomatosis have a very poor prognosis; median survival is 3 to 4 months. Palliative systemic chemotherapy is currently the only treatment available in the Netherlands. Intraoperative hyperthermic intraperitoneal chemotherapy (HIPEC) has an established role in the treatment of peritoneal carcinomatosis originating from colorectal cancer, appendiceal cancer, and pseudomyxoma peritonei; its role in gastric cancer is uncertain. Currently, there is no consensus on the choice of chemotherapeutic agents used in HIPEC for gastric cancer...
July 13, 2017: JMIR Research Protocols
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/28643069/lessons-learned-from-a-phase-ii-clinical-trial-of-laparoscopic-hipec-for-gastric-cancer
#11
Brian Badgwell, Mariela Blum, Prajnan Das, Jeannelyn Estrella, Xuemei Wang, Keith Fournier, Richard Royal, Paul Mansfield, Jaffer Ajani
BACKGROUND: Over the last two decades, intraperitoneal chemotherapy has been found to have activity for select subgroups of patients with carcinomatosis from colon, ovarian, appendiceal, and recently, gastric origins. However, there is little data to support an aggressive surgical approach of cytoreduction (debulking) and hyperthermic intraperitoneal perfusion with chemotherapy (HIPEC) for patients with gastric cancer and positive cytology or carcinomatosis. The morbidity and mortality rates of cytoreduction and HIPEC, in combination with gastrectomy, are significant and the survival rates of this approach may not extend beyond that of treatment with systemic chemotherapy...
June 22, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28607781/malignant-transformation-of-mature-cystic-teratoma-diagnosed-after-a-10-year-interval
#12
Mariko Jitsumori, Satoru Munakata, Toshiya Yamamoto
A 67-year-old uniparous woman had undergone surgery for acute perforated gastric ulcer 10 years prior to the current presentation. Although abdominal computed tomography (CT) performed at that point had revealed a mature cystic teratoma measuring 6 cm in diameter in the right ovary, it was left untreated. She visited the department of surgery at our hospital with chief complaints of appetite loss, nausea, and vomiting that had persisted for the prior two weeks. She was admitted with a diagnosis of ileus attributed to an abdominal incisional hernia...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28575019/clinicopathologic-significance-of-the-cxcl1-cxcr2-axis-in-the-tumor-microenvironment-of-gastric-carcinoma
#13
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/28568899/winding-back-wnt-signalling-potential-therapeutic-targets-for-treating-gastric-cancers
#14
REVIEW
Dustin J Flanagan, Elizabeth Vincan, Toby J Phesse
Gastric cancer persists as a frequent and deadly disease that claims over 700,000 lives annually. Gastric cancer is a multifactorial disease that is genetically, cytologically and architecturally more heterogeneous than other gastrointestinal cancers, making it therapeutically challenging. As such, and largely attributed to late-stage diagnosis, gastric cancer patients show only partial response to standard chemo and targeted molecular therapies, highlighting an urgency to develop new targeted therapies for this disease...
June 1, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28560594/fbxo50-enhances-the-malignant-behavior-of-gastric-cancer-cells
#15
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/28536489/depth-of-tumor-invasion-and-tumor-occupied-portions-of-stomach-are-predictive-factors-of-intra-abdominal-metastasis
#16
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/28507577/peritoneal-lavage-examination-as-a-prognostic-tool-in-cases-of-gastric-cancer
#17
David Hoskovec, Jozef Varga, Petr Dytrych, Ellen Konecna, Jan Matek
INTRODUCTION: Peritoneal tumor seeding is a common form of recurrence after gastric cancer surgery. The finding of free tumor cells and/or elevation of tumor markers in the peritoneal fluid could predict intraperitoneal tumor recurrence. The results of these examination can be used for indication of aggressive treatment modalities such as hyperthermic intraperitoneal chemotherapy (HIPEC). MATERIAL AND METHODS: We have operated on 105 patients suffering from gastric cancer...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28469358/the-value-of-staging-laparoscopy-in-gastric-cancer
#18
REVIEW
Nikolaos Machairas, Petros Charalampoudis, Ernesto P Molmenti, Stylianos Kykalos, Peter Tsaparas, Paraskevas Stamopoulos, Georgios C Sotiropoulos
Treatment options for patients with gastric cancer (GC) are based on tumor staging and resectability. Although only surgery provides improved survival, resection is contraindicated and should be avoided in the presence of intra-abdominal disease stage M1 (liver, peritoneal, or non-local lymph node metastases). Thus, a detailed and precise evaluation is imperative for optimal treatment. Staging laparoscopy (SL) constitutes a major tool in the accurate diagnosis of several types of cancers, including GC. SL presents several critical advantages: it can diagnose intra-abdominal disease; serve as a complement to other imaging studies; allow for biopsies; facilitate intraoperative ultrasound evaluations; allow for sampling of peritoneal fluid for cytological examination; and serve as an option for the administration of intraperitoneal chemotherapy...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
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
#19
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
https://www.readbyqxmd.com/read/28456089/the-30-year-experience-a-meta-analysis-of-randomised-and-high-quality-non-randomised-studies-of-hyperthermic-intraperitoneal-chemotherapy%C3%A2-in-the-treatment-of-gastric-cancer
#20
REVIEW
Jacopo Desiderio, Joseph Chao, Laleh Melstrom, Susanne Warner, Federico Tozzi, Yuman Fong, Amilcare Parisi, Yanghee Woo
IMPORTANCE: Hyperthermic intraperitoneal chemotherapy (HIPEC) has been used within various multimodality strategies for the prevention and treatment of gastric cancer peritoneal carcinomatosis. OBJECTIVE: To systematically evaluate the role of HIPEC in gastric cancer and clarify its effectiveness at different stages of peritoneal disease progression. DATA SOURCES: Medline and Embase databases between January 1, 1985 and June 1, 2016. STUDY SELECTION: Randomised control trials and high-quality non-randomised control trials selected on a validated tool (methodological index for non-randomised studies) comparing HIPEC and standard oncological management for the treatment of advanced stage gastric cancer with and without peritoneal carcinomatosis were considered...
July 2017: European Journal of Cancer
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