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Pancreas tumor

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https://www.readbyqxmd.com/read/29773761/surgical-treatment-of-pancreatic-cancer
#1
Wioletta Masiak-Segit, Karol Rawicz-Pruszyński, Magdalena Skórzewska, Wojciech P Polkowski
The only way to cure the patient with adenocarcinoma of the pancreas (RT) is surgical excision of the tumor. The standard surgical treatment of resectable pancreatic carcinoma is considered the classic pancreatoduodenectomy (PD) with the Kausch- Whipple procedure, or the pylorus-preserving PD with the Traverso-Longmire method. The most difficult technically and at the same time the most important PD stage from an oncological point of view is the separation of the head of the pancreas from the superior mesenteric artery...
April 30, 2018: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/29772372/palmitate-induces-nitric-oxide-production-and-inflammatory-cytokine-expression-in-zebrafish
#2
Seon-Heui Cha, Yongha Hwang, Kil-Nam Kim, Hee-Sook Jun
Inflammation markers in zebrafish embryos reflect a toxic response that is common to other animal models and humans. Free fatty acids (FFAs) are known to cause damage in various tissues by inducing inflammation. In this study, we investigated whether a FFA (palmitate) induces inflammation in zebrafish embryos. Nitrous oxide (NO) production and cyclooxygenase-2 (COX-2) mRNA expression were increased in palmitate-treated zebrafish embryos in a dose-dependent manner. mRNA expression of pro-inflammatory cytokines, interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF- α), were also increased...
May 14, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29771765/comparison-of-fasting-human-pancreatic-polypeptide-levels-among-patients-with-pancreatic-ductal-adenocarcinoma-chronic-pancreatitis-and-type-2-diabetes-mellitus
#3
Sajan Jiv Singh Nagpal, William R Bamlet, Yogish C Kudva, Suresh T Chari
OBJECTIVES: Human pancreatic polypeptide (HPP) is a hormone secreted by the ventral pancreas. While postprandial HPP levels have been studied in chronic pancreatitis (CP) and pancreatic ductal adenocarcinoma (PDAC), there are limited data on fasting HPP in these diseases. METHODS: Fasting serum HPP was measured in the following groups of patients: CP with diabetes mellitus (DM) (n = 16), CP without DM (n = 34), PDAC with new-onset DM (n = 50), PDAC without DM (n = 49), new-onset type 2 DM (n = 50), and controls without DM (n = 49)...
May 17, 2018: Pancreas
https://www.readbyqxmd.com/read/29770302/percutaneous-microwave-thermosphere-ablation-of-pancreatic-tumours
#4
Anna Maria Ierardi, Pierpaolo Biondetti, Andrea Coppola, Enrico Maria Fumarola, Alberto Magenta Biasina, Salvatore Alessio Angileri, Gianpaolo Carrafiello
Background: In oncologic field, thermo-ablative procedures have spread more and more. Percutaneous microwave ablation (MWA) showed same benefits and some advantages over radiofrequency ablation (RFA). To date, a disadvantage of both was the not totally predictable size and shape of ablation volume. The aim of this study was to assess feasibility and safety of MWA in nonresectable pancreatic head cancer using a new technology of MW with high power (100 W) and frequency of 2,450 MH. Methods: Five patients with pancreatic head cancer treated with percutaneous MWA under ultrasound guidance were retrospectively reviewed...
April 2018: Gland Surgery
https://www.readbyqxmd.com/read/29769629/risk-of-multiple-pancreatic-cancers-in-cdkn2a-p16-leiden-mutation-carriers
#5
Isaura Ibrahim, Babs G Sibinga Mulder, Bert Bonsing, Hans Morreau, Arantza Farina Sarasqueta, Akin Inderson, Saskia Luelmo, Shirin Feshtali, Thomas P Potjer, Wouter de Vos Tot Nederveen Cappel, Martin Wasser, Hans F A Vasen
CDKN2A-p16-Leiden mutation carriers have a substantial risk of developing pancreatic ductal adenocarcinoma (PDAC). One of the main clinical features of hereditary cancer is the development of multiple cancers. Since 2000, we have run a surveillance program for CDKN2A-p16-Leiden mutation carriers. The patients are offered a yearly MRI with optionally endoscopic ultrasound. In patients with a confirmed lesion, usually, a partial resection of the pancreas is recommended. A total of 18 PDAC (8.3%) were detected in 218 mutation carriers...
May 16, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29767820/-role-of-visceral-surgery-in-oligometastases-of-non-gastrointestinal-tumors
#6
REVIEW
R Wahba, D Stippel, C Bruns
BACKGROUND: Patients with oligometastatic disease can benefit from local treatment of the metastases. Under these premises the resection of liver metastases and visceral metastases of non-gastrointestinal tumors is performed increasingly more frequently in selected patients. The aim of this study was to evaluate the role of visceral oncological surgery in hepatic oligometastatic disease of non-gastrointestinal tumors according to the currently available literature. MATERIAL AND METHODS: A systematic search of MEDLINE and PubMed was carried out focusing on the topics of oligometastases, liver resection and metastectomy for breast cancer, renal cell carcinoma, malignant melanoma, ovarian cancer and non-small cell lung cancer...
May 16, 2018: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/29763717/hepatic-micrometastases-are-associated-with-poor-prognosis-in-patients-with-liver-metastases-from-neuroendocrine-tumors-of-the-digestive-tract
#7
William E Gibson, Raul S Gonzalez, Justin M M Cates, Eric Liu, Chanjuan Shi
Pathologic examination of hepatic metastasectomies from patients with metastatic small intestinal or pancreatic neuroendocrine tumor frequently reveals micrometastases undetectable by radiologic or macroscopic gross examination. This finding raises the possibility that undetectable micrometastases remain in these patients after metastasectomy. Here we examined liver resections for micrometastases and assessed their impact on prognosis. Hepatic metastasectomies from 65 patients with neuroendocrine tumor of the small intestine (N=43) or pancreas (N=22) were reviewed for the presence of micrometastases, which were defined as microscopic tumor foci ≤1mm in greatest dimension...
May 12, 2018: Human Pathology
https://www.readbyqxmd.com/read/29753278/adult-pancreatoblastoma-a-case-report-and-clinicopathological-review-of-the-literature
#8
Menglin Chen, Haijie Zhang, Yixin Hu, Kai Liu, Yanjia Deng, Yuanmeng Yu, Yulan Wu, Anqi Qi, Yingjia Li, Ge Wen
PURPOSE: Our purpose was to report a case of adult pancreatoblastoma, and review the literature in order to assist clinicians in the management of the disease. MATERIALS AND METHODS: The demographic, clinical, and imaging findings of 41 patients with pathologically proven pancreatoblastoma from 1986 to 2017 identified in PubMed were reviewed. The key words used for searching PubMed were: "pancreatoblastoma", "pancreatic tumor", and "adult pancreatoblastoma...
May 4, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29751773/an-unusual-finding-in-a-desmoid-type-fibromatosis-of-the-pancreas-a-case-report-and-review-of-the-literature
#9
Joseph Clarence Torres, Chen Xin
BACKGROUND: Desmoid-type fibromatoses are rare benign and fibrous tumors that account for approximately 0.03% of total neoplasms. Within this category of neoplasms, pancreatic desmoid-type fibromatosis is an extremely rare subgroup, accounting for approximately 5% of desmoid-type fibromatoses. Although the etiology is unknown, some risk factors include trauma, surgery, family history of desmoid tumor, pregnancy, use of contraceptives, genetic mutation, and familial adenomatous polyposis or Gardner syndrome...
May 12, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29750397/fdg-pet-ct-in-the-evaluation-of-primary-and-secondary-pancreatic-malignancies
#10
Casey E Bohl, Sara M Federico, Giles W Robinson, Armita Bahrami, Barry L Shulkin
PURPOSE: Primary pancreatic carcinoma and pancreatic metastases are rare in the pediatric population. Pancreatoblastoma is the most common pancreatic malignant tumor in young children and solid-pseudopapillary tumor in teenagers. Pancreatic adenocarcinoma is extremely rare under the age of 40 and is usually associated with underlying genetic abnormalities. Secondary malignancies of the pancreas occur more frequently than primary pancreatic malignancies in children and are most commonly seen with non-Hodgkin lymphomas (NHL) and mesenchymal sarcomas...
May 11, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29750003/dedifferentiated-retroperitoneal-liposarcoma-spontaneously-occurring-in-an-aged-sd-rat
#11
Tomoharu Naito, Tsuyoshi Saito, Tamami Higuchi, Akira Inomata, Takuo Hayashi, Yasuhiro Shimada, Atsuko Yamauchi-Ohguchi, Sayaka Kenmochi, Chihaya Kakinuma, Takashi Yao
Liposarcoma is a rare neoplasm in rats and is characterized by the presence of lipoblasts containing multiple cytoplasmic vacuoles. We encountered a rare type of liposarcoma in a male SD (Crj:CD(SD)IGS) rat during a long-term study to gather background data. At necropsy at 105 weeks of age, there was a large amount of fatty tissue covering the mesentery, pancreas, and retroperitoneum; a white nodule in the right kidney; and paleness of the liver. Microscopically, the tumor had a well-differentiated component and dedifferentiated high-grade component...
April 2018: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/29748738/distal-pancreatectomy-combined-with-multivisceral-resection-is-associated-with-postoperative-complication-rates-and-survival-comparable-to-those-after-standard-procedures
#12
Thomas Malinka, Fritz Klein, Andreas Andreou, Johann Pratschke, Marcus Bahra
BACKGROUND: For pancreatic tumors located in the body or tail of the pancreas, distal pancreatectomy (DP) remains the surgical procedure of choice to achieve radical tumor removal. Purpose of this study was to evaluate outcome and overall survival of patients who underwent DP combined with multivisceral resection (MVR). METHODS: Retrospective single-center case-matched analysis. Between January 1994 and June 2014, 494 consecutive patients were entered into a prospective database, and 126 patients undergoing DP + MVR (cases) were matched with 126 patients undergoing DP (controls) for gender, age, and underlying final diagnosis...
May 10, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29748382/satellite-rna-increases-dna-damage-and-accelerates-tumor-formation-in-mouse-models-of-pancreatic-cancer
#13
Takahiro Kishikawa, Motoyuki Otsuka, Tatsunori Suzuki, Takahiro Seimiya, Kazuma Sekiba, Rei Ishibashi, Eri Tanaka, Motoko Ohno, Mari Yamagami, Kazuhiko Koike
Highly repetitive tandem arrays such as satellite sequences in the centromeric and pericentromeric regions of chromosomes, which were previously considered to be silent, are actively transcribed in various biological processes, including cancers. In the pancreas, this aberrant expression occurs even in Kras-mutated pancreatic intraepithelial neoplasia (PanIN) tissues, which are precancerous lesions. To determine the biological role of satellite RNAs in carcinogenesis in vivo, we constructed mouse major satellite (MajSAT) RNA-expressing transgenic mice...
May 10, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29745281/mucinous-cystadenocarcinoma-of-the-breast-report-of-2-cases-including-one-with-long-term-local-recurrence
#14
Anupma Nayak, Ira J Bleiweiss, Kimberly Dumoff, Tawfiqul A Bhuiya
Primary mucinous cystadenocarcinoma (MCA) of breast is an exceedingly rare tumor with histologic resemblance to MCA arising in ovary, pancreas, and gastrointestinal tract. In this article, we present 2 additional cases of MCA of breast, one highlighting the diagnostic challenges of a rare entity that may potentially lead to unnecessary chemotherapy and the second case presenting with recurrence after 8 years of primary surgical excision defying the indolent behavior reported in the literature. To our knowledge, this is the first reported instance of such behavior...
May 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29742764/ectopic-pancreas-mimicking-gastrointestinal-stromal-tumor-in-the-stomach-fundus
#15
Cătălina Diaconu, Mihai Ciocîrlan, Mariana Jinga, Raluca Simona Costache, Gabriel Constantinescu, Mădălina Ilie, Mircea Diculescu
No abstract text is available yet for this article.
May 9, 2018: Endoscopy
https://www.readbyqxmd.com/read/29741203/peptide-receptor-radionuclide-therapy-for-advanced-gastroenteropancreatic-neuroendocrine-tumors-from-oncology-perspective
#16
Agnieszka Kolasińska-Ćwikła, Anna Łowczak, Katarzyna Maciejkiewicz Maciejkiewicz, Jarosław Bogdan Ćwikła
Peptide Receptor Radionuclide Therapy (PRRT) is a form of molecular targeted therapy which is performed by using a small peptide (somatostatin analogue - SSA) that is coupled with a radionuclide beta emitting radiation. PRRT is a nuclear medicine for the systemic treatment of non-resectable, metastasized well/moderately differentiated, neuroendocrine tumours (NET) with overexpression of somatostatin receptor. These types of tumours include gastroenteropancreatic neoplasm (GEP-NENs), e.g. arising from the small bowel (often called carcinoid tumours), the pancreas, duodenum or stomach, but also from the large bowel or the lung and many other tissues (so called diffuse neuroendocrine system)...
2018: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/29740111/tumor-heterogeneity-of-pancreas-head-cancer-assessed-by-ct-texture-analysis-association-with-survival-outcomes-after-curative-resection
#17
Gabin Yun, Young Hoon Kim, Yoon Jin Lee, Bohyoung Kim, Jin-Hyeok Hwang, Dong Joon Choi
The value of image based texture features as a powerful method to predict prognosis and assist clinical management in cancer patients has been established recently. However, texture analysis using histograms and grey-level co-occurrence matrix in pancreas cancer patients has rarely been reported. We aimed to analyze the association of survival outcomes with texture features in pancreas head cancer patients. Eighty-eight pancreas head cancer patients who underwent preoperative CT images followed by curative resection were included...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29739948/a-meta-analysis-of-prognostic-factor-of-pancreatic-neuroendocrine-neoplasms
#18
Yong Gao, Hao Gao, Guangfu Wang, Lingdi Yin, Wenbin Xu, Yunpeng Peng, Junli Wu, Kuirong Jiang, Yi Miao
Pancreatic neuroendocrine neoplasms (pNENs) are a group of clinically rare and heterogeneous diseases of the pancreas. However, the prognostic factors for this disease in patients still remain controversial. The purpose of our study is to evaluate the predictive roles of those prognostic factors for pNENs. All related articles published until Sep 17, 2017 were identified via PubMed, EMBASE, Web of Science, Ovid and the Cochrane Library. Studies that examined the prognostic factors of pNENs were enrolled. 17 articles (2822 patients) were finally included in this study...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29738363/pancreatic-lipomatous-hamartoma-a-hitherto-unrecognized-variant
#19
Mariko Tanaka, Tetsuo Ushiku, Masako Ikemura, Yutaka Takazawa, Toru Igari, Michio Shimizu, Hiroshi Yamaguchi, Noriyoshi Fukushima, Kei Sakuma, Junichi Arita, Yoshihiro Sakamoto, Kiyoshi Hasegawa, Takeyuki Watadani, Yousuke Nakai, Kazuhiko Koike, Masashi Fukayama
Pancreatic masses consisting of lipomatous components clinically include lipoma, liposarcoma, lipomatous pseudohypertrophy of the pancreas, fat-containing neoplasms such as perivascular epithelioid cell tumor, and malignant neoplasm with lipoid degeneration. We present pancreatic lipomatous hamartoma, which has not been reported hitherto. A solid pancreatic mass was detected from a computed tomographic scan check-up in each of 3 cases of Japanese men. Macroscopically, well-demarcated solid lipomatous masses were detected at the uncus, body, and tail of the pancreas, respectively...
May 4, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29732356/clinical-significance-of-pancreatic-intraepithelial-neoplasia-in-resectable-pancreatic-cancer-on-survivals
#20
Da-Young Yu, Young-Dong Yu, Wan-Bae Kim, Hyung-Joon Han, Sae-Byul Choi, Dong-Sik Kim, Sang-Yong Choi, Joo-Young Kim, Hyeyoon Chang, Baek-Hui Kim
Purpose: Noninvasive precursor lesions for pancreatic adenocarcinoma include pancreatic intraepithelial neoplasia (PanIN), intraductal papillary mucinous neoplasm, and mucinous cystic neoplasm. PanIN is often found synchronously adjacent to resected pancreatic ductal adenocarcinoma (PDAC) tumors. However, its prognostic significance on outcome after PDAC resection is unknown. The purpose of the current study was to determine if the presence of PanIN has a prognostic or predictive effect on survival after resection for PDAC with curative intent...
May 2018: Annals of Surgical Treatment and Research
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