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Malignant ascites

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https://www.readbyqxmd.com/read/28424410/ascites-promotes-cell-migration-through-the-repression-of-mir-125b-in-ovarian-cancer
#1
Lan Yang, Xiaoli Zhang, Yiming Ma, Xinhua Zhao, Bin Li, Hongying Wang
Interactions between ovarian cancer cells and the surrounding tumor microenvironment are not well characterized. Here, we investigated the molecular mechanisms by which malignant ascites promote the metastasis of ovarian cancer. It was found that ovarian cancer ascites promoted ovarian cancer cell migration which was attenuated by either heat inactivation or antibody blockade of TGF-β. High level (at ng/ml level) of TGF-β was detected in the ascites. In addition, ascites repressed the expression of miRNA-125b in a TGF-β-dependent manner...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420840/successful-long-term-management-with-a-single-administration-of-tri-weekly-nab-paclitaxel-in-a-patient-with-advanced-gastric-cancer-with-peritoneal-dissemination
#2
Daisuke Matano, Toshikazu Moriwaki, Yoshitaka Tange, Yusuke Niisato, Masamichi Yamaura, Masaomi Nagase, Daisuke Suganuma, Kaoruko Takagi Taketa, Kentaro Iwai, Chiaki Enami, Yoshiyuki Yamamoto, Ichinosuke Hyodo
Nanoparticle albumin-bound (nab)-paclitaxel has shown promising activity in advanced gastric cancer treatment. We herein report a case of advanced gastric cancer involving long-term management with a single administration of nab-paclitaxel. A 71-year-old man diagnosed with advanced gastric cancer with malignant ascites was treated with nab-paclitaxel as a second-line chemotherapy. He refused treatment continuation because of various severe toxicities in the first treatment cycle; he was therefore followed-up without any further treatments...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28420292/neuroendocrine-tumor-of-cecum-in-patient-treated-with-imatinib-mesylate-for-blastic-phase-of-chronic-myeloid-leukemia
#3
Sabina Novaković, Anamarija Kovač Peić, Hrvoje Holik, Božena Coha
Imatinib mesylate (IM), a tyrosine kinase inhibitor, is the treatment of choice in patients with chronic myeloid leukemia (CML). It is considered a very safe drug, with mostly mild and reversible side effects. Lately, it has been suggested that adverse events may occur after a long term. We report a case of a 72-year-old woman diagnosed with blastic phase of Philadelphia chromosome positive CML treated with IM for 28 months. The patient presented first with ascites as a side effect of the drug. When the ascites re-occurred, it was caused by neuroendocrine tumor (NET) with peritoneal carcinomatosis...
April 19, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28419513/genetic-recombination-between-stromal-and-cancer-cells-results-in-highly-malignant-cells-identified-by-color-coded-imaging-in-a-mouse-lymphoma-model
#4
Miki Nakamura, Atsushi Suetsugu, Kousuke Hasegawa, Takuro Matsumoto, Hitomi Aoki, Takahiro Kunisada, Masahito Shimizu, Shigetoyo Saji, Hisataka Moriwaki, Robert M Hoffman
The tumor microenvironment (TME) promotes tumor growth and metastasis. We previously established the color-coded EL4 lymphoma model with red fluorescent protein expressing EL4 implanted in transgenic C57BL/6 green fluorescent protein (GFP) mice. Color-coded imaging of the lymphoma tumor suggested an important role of stromal cells in lymphoma progression and metastasis. In the present study, we used color-coded imaging of RFP-lymphoma cells and GFP stromal cells to identify yellow-fluorescent recombinant cells appearing only during metastasis...
April 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28410380/interleukin-10-and-prostaglandin-e2-have-complementary-but-distinct-suppressive-effects-on-toll-like-receptor-mediated-dendritic-cell-activation-in-ovarian-carcinoma
#5
Eva Brencicova, Ann L Jagger, Hayley G Evans, Mirella Georgouli, Alex Laios, Steve Attard Montalto, Gautam Mehra, Jo Spencer, Ahmed A Ahmed, Shanti Raju-Kankipati, Leonie S Taams, Sandra S Diebold
Dendritic cells (DC) have the potential to instigate a tumour-specific immune response, but their ability to prime naïve lymphocytes depends on their activation status. Thus, for tumour immunotherapy to be effective, the provision of appropriate DC activation stimuli such as Toll-like receptor (TLR) agonists is crucial in order to overcome immunosuppression associated with the tumour microenvironment. To address this, we investigated how ovarian carcinoma (OC)-associated ascites impedes activation of DC by TLR agonists...
2017: PloS One
https://www.readbyqxmd.com/read/28396094/ym155-induces-apoptosis-through-proteasome-dependent-degradation-of-mcl-1-in-primary-effusion-lymphoma
#6
Yuki Kojima, Fumihiko Hayakawa, Takanobu Morishita, Keiki Sugimoto, Yuka Minamikawa, Mizuho Iwase, Hideyuki Yamamoto, Daiki Hirano, Naoto Imoto, Kazuyuki Shimada, Seiji Okada, Hitoshi Kiyoi
Primary effusion lymphoma (PEL) is a lymphoma that shows malignant effusion in body cavities without contiguous tumor masses and has a very poor prognosis. We recently developed a novel drug screening system using patient-derived xenograft (PDX) cells that maintained the primary cell phenotype better than cell lines. This screening is expected to discover anti-tumor drugs that have been overlooked by conventional screening using cell lines. We herein performed this screening to identify new therapeutic agents for PEL...
April 8, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28383326/a-new-diagnostic-and-prognostic-marker-in-endometrial-cancer-neopterin
#7
Esra Isci Bostanci, Asiye Ugras Dikmen, Gozde Girgin, Tayfun Gungor, Terken Baydar, Ahmet Nuri Danisman
OBJECTIVE: In this study, we investigated the correlation between serum and urinary neopterin levels as well as the stage of the disease in women with endometrial cancer.Increased neopterin concentrations are reported in patients with activation of macrophages by interferon-γ, which includes the following: viral infections, autoimmune disorders, allograft rejection, and various malignant tumors. In patients with several types of cancer, high-neopterin concentrations in body fluids like serum/plasma, urine, ascites, and cerebrospinal fluid indicate the course of the disease, and it is associated with poor prognosis...
May 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28381756/a-rare-case-of-biphasic-malignant-peritoneal-mesothelioma-with-refractory-ascites
#8
Tomo Komaki, Hidenori Urata, Ken Mori, Akinori Iwashita, Keisuke Ikeda, Seiji Haraoka
An 81-year-old man was admitted to our hospital with abdominal distension due to refractory ascites of unknown origin. He subsequently died of aspiration pneumonia. Autopsy revealed a diagnosis of biphasic malignant peritoneal mesothelioma (MPM) containing both epithelioid and sarcomatous components. The diagnosis of MPM is often difficult because serum tumor markers, imaging studies, and the cytology of ascites may not provide enough information. Accordingly, peritoneal biopsy is necessary in order to diagnose MPM based on the histological and immunohistochemical findings...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28365696/non-malignant-cerebrospinal-fluid-ascites-in-a-patient-with-atypical-teratoid-rhabdoid-tumor
#9
Santhosh A Upadhyaya, Paul Klimo, Giles W Robinson
BACKGROUND: The development of symptomatic ascites from a ventriculoperitoneal shunt is rare in children without prior intra-abdominal pathology. Here we report a case of symptomatic ascites in a young child with a ventriculoperitoneal shunt and metastatic atypical teratoid rhabdoid tumor. CASE REPORT: This 15-month-old boy developed symptomatic ascites while undergoing chemotherapy for his malignant brain tumor. Diagnostic work up to identify the etiology of this ascites yielded a non-malignant, sterile transudate, refractory to repeated paracentesis...
2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28360912/exosomes-isolated-from-ascites-of-t-cell-lymphoma-bearing-mice-expressing-surface-cd24-and-hsp-90-induce-a-tumor-specific-immune-response
#10
Florencia Menay, Leticia Herschlik, Julieta De Toro, Federico Cocozza, Rodrigo Tsacalian, María José Gravisaco, María Paula Di Sciullo, Alejandrina Vendrell, Claudia I Waldner, Claudia Mongini
Extracellular vesicles (EVs), including endosome-derived nanovesicles (exosomes), are involved in cell-cell communication. Through transfer of their molecular contents, extracellular nanovesicles can alter the function of recipient cells. Due to these characteristics, EVs have shown potential as a new alternative for cancer immunotherapy. Tumor exosomes isolated from malignant ascites can activate dendritic cells, thereby priming the immune system to recognize and kill cancer cells. However, a suppressive role on tumor immune response has also been reported, suggesting that the neoplastic stage of carcinogenesis and the microenvironment where tumor cells grow may influence the amount of EVs released by the cell...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28357060/visceral-scalloping-on-abdominal-computed-tomography-due-to-abdominal-tuberculosis
#11
Vishal Sharma, Anmol Bhatia, Sarthak Malik, Navjeet Singh, Surinder S Rana
OBJECTIVE: Scalloping of visceral organs is described in pseudomyxoma peritonei, malignant ascites, among other conditions, but not tuberculosis. METHODS: We report findings from a retrospective study of patients with abdominal tuberculosis who had visceral scalloping on abdominal computed tomography (CT). Diagnosis of abdominal tuberculosis was made on the basis of combination of clinical, biochemical, radiological and microbiological criteria. The clinical data, hematological and biochemical parameters, and findings of chest X-ray, CT, Mantoux test, and HIV serology were recorded...
January 2017: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/28356549/expression-of-adiponectin-receptor-1-and-prognosis-of-epithelial-ovarian-cancer-patients
#12
Xiahui Li, Zhe Yu, Liping Fang, Fang Liu, Kui Jiang
BACKGROUND Adiponectin receptor-1 (AdipoR1) has been reported to be associated with the risk of obesity-associated malignancies, including epithelial ovarian cancer (EOC). The aim of this study was to determine if AdipoR1 could serve as a prognosis indicator for patients with EOC. MATERIAL AND METHODS In this study, expression of AdipoR1 in 73 EOC patients consecutively admitted to our hospital was detected by immunohistochemical staining. Univariate and multivariate analyses were performed to assess the relationship between AdipoR1 expression level and progression-free survival (PFS) and overall survival (OS) rates in patients...
March 30, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28350743/home-based-drainage-of-refractory-ascites-by-a-permanent-tunneled-peritoneal-catheter-can-safely-replace-large-volume-paracentesis
#13
Philipp Solbach, Christoph Höner Zu Siederdissen, Richard Taubert, Szilvia Ziegert, Kerstin Port, Andrea Schneider, Katja Hueper, Michael P Manns, Heiner Wedemeyer, Elmar Jaeckel
BACKGROUND AND AIM: Refractory ascites has a poor prognosis. Recurrent large-volume paracentesis is the current standard of care; however, it results in circulatory dysfunction and renal dysfunction, and hospitalization is commonly required. Transjugular intrahepatic portosystemic shunt placement is not an option in a substantial number of patients because of contraindications. The placement of a tunneled peritoneal drainage catheter has been shown to be effective in patients with malignant ascites...
May 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28343229/cytological-findings-of-ascitic-fluid-with-a-malignant-ovarian-steroid-cell-tumor-a-case-report-and-literature-review
#14
Nobuaki Kosaka, Kiyoshi Hasegawa, Kaori Kiuchi, Shoko Ochiai, Tamiko Nagai, Hiromi Machida, Yasuo Imai, Ichio Fukasawa
BACKGROUND: Ovarian steroid cell tumors (SCTs) are rare and usually benign, although 25-43% are reportedly malignant. The cytologic findings of these rare ovarian tumors have almost never been reported. CASE: We report a rare case of a malignant ovarian SCT with peritoneal dissemination and malignant ascites in a 40-year-old woman. Her tumor was classified as stage IIB (pT2bNoM0) according to the FIGO (International Federation of Gynecology and Obstetrics) classification system, and she was treated with adjuvant chemotherapy following staging laparotomy...
March 25, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28332353/port-site-metastases-and-chimney-effect-of-b-ultrasound-guided-and-laparoscopically-assisted-hyperthermic-intraperitoneal-perfusion-chemotherapy
#15
Ming Chen Ba, Hui Long, Xiang Liang Zhang, Yuan Feng Gong, Zhao Fei Yan, Shuai Wang, Yun Qiang Tang, Shu Zhong Cui
PURPOSE: CO₂ leakage along the trocar (chimney effect) has been proposed to be an important factor underlying port-site metastasis after laparoscopic surgery. This study aimed to test this hypothesis by comparing the incidence of port-site metastasis between B-ultrasound-guided and laparoscopically-assisted hyperthermic intraperitoneal perfusion chemotherapy (HIPPC). MATERIALS AND METHODS: Sixty-two patients with malignant ascites induced by gastrointestinal or ovarian cancer were divided into two groups to receive either B-ultrasound-guided or laparoscopically-assisted HIPPC...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28326959/angiosarcoma-of-the-pelvis-in-a-13-year-old-girl
#16
Farah El-Sharkawy, Patricia Isabel Delgado, Antonello Podda, Holly Leigh Neville, Claudia Patricia Rojas
Angiosarcomas are highly aggressive malignancies of vascular origin and are very rarely found in children. We report a case of a 13-year-old girl with a history of abdominal pain and increased abdominal girth. Radiologic imaging showed significant ascites and large pelvic masses involving bilateral adnexa with abdominal spread. Microscopic examination of a biopsy revealed pleomorphic epithelioid and spindle cells with brisk mitotic activity, intracytoplasmic vacuoles, vascular channels, and large areas of hemorrhage and necrosis...
March 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28318643/cxcl10-alters-the-tumour-immune-microenvironment-and-disease-progression-in-a-syngeneic-murine-model-of-high-grade-serous-ovarian-cancer
#17
Katrina K Au, Nichole Peterson, Peter Truesdell, Gillian Reid-Schachter, Kasra Khalaj, Runhan Ren, Julie-Ann Francis, Charles H Graham, Andrew W Craig, Madhuri Koti
OBJECTIVE: We recently established that high STAT1 expression and associated T helper type I tumour immune microenvironment (TME) are prognostic and chemotherapy response predictive biomarkers in high-grade serous ovarian cancer (HGSC). STAT1 induced chemokine CXCL10 is key to the recruitment of lymphocytes in the TME and is significantly highly expressed in the tumours from patients with longer survival. In the current study we therefore aimed to elucidate the role CXCL10 in disease progression and tumour immune transcriptomic alterations using the ID8 syngeneic murine model of HGSC...
March 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28302000/expanded-criteria-for-hepatocellular-carcinoma-in-liver-transplant
#18
Mehmet Haberal, Aydıncan Akdur, Gökhan Moray, Gülnaz Arslan, Figen Özçay, Haldun Selçuk, Handan Özdemir
OBJECTIVES: Hepatocellular carcinoma is the sixth most common cancer worldwide and is the third highest cause of malignancy-related death. Because of its typically late diagnosis, median survival is approximately 6 to 20 months, with 5-year survival of < 12%. Hepatocellular carcinoma typically arises in the background of cirrhosis, with liver transplant regarded as the optimal therapy for selected patients. Initially, orthotopic liver transplant was limited to patients with extensive unresectable tumors, resulting in uniformly dismal outcomes due to high tumor recurrence rates...
March 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28295272/diagnostic-performance-of-the-gynecology-imaging-reporting-and-data-system-for-malignant-adnexal-masses
#19
Tan Zhang, Fangxuan Li, Juntian Liu, Sheng Zhang
OBJECTIVE: To evaluate the Gynecology Imaging Reporting and Data System (GI-RADS) for diagnosis of malignant adnexal masses in a Chinese population. METHODS: A retrospective study was conducted of patients who underwent evaluation of suspected adnexal masses at a hospital in Tianjin, China, between January 1, 2015, and January 31, 2016. Ultrasonographic diagnosis was based on the GI-RADS classification-a standardized summary of imaging data that estimates the risk of malignancy-and compared with the final pathological diagnosis...
March 13, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28287578/modeling-ovarian-cancer-multicellular-spheroid-behavior-in-a-dynamic-3d-peritoneal-microdevice
#20
Shan-Shan Li, Carman K M Ip, Matthew Y H Tang, Samuel K H Sy, Susan Yung, Tak-Mao Chan, Mengsu Yang, Ho Cheung Shum, Alice S T Wong
Ovarian cancer is characterized by extensive peritoneal metastasis, with tumor spheres commonly found in the malignant ascites. This is associated with poor clinical outcomes and currently lacks effective treatment. Both the three-dimensional (3D) environment and the dynamic mechanical forces are very important factors in this metastatic cascade. However, traditional cell cultures fail to recapitulate this natural tumor microenvironment. Thus, in vivo-like models that can emulate the intraperitoneal environment are of obvious importance...
February 18, 2017: Journal of Visualized Experiments: JoVE
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