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Pancreas arteries

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https://www.readbyqxmd.com/read/27905367/-celiac-trunk-resection-in-patients-with-pancreatic-cancer-and-severe-pain-syndrome
#1
Yu I Patyutko, M G Abgaryan, N E Kudashkin, A G Kotel'nikov
AIM: To show the advisability, satisfactory tolerance and good analgesic effect of surgery for pancreatic ductal carcinoma with celiac trunk invasion. MATERIAL AND METHODS: Distal subtotal pancreatectomy with resection of celiac trunk and common hepatic artery was made in 21 patients. RESULTS: Early postoperative complications after distal subtotal pancreatectomy with celiac trunk resection occurred in 10 (47.6%) patients. There was no postoperative mortality...
2016: Khirurgiia
https://www.readbyqxmd.com/read/27888303/dual-energy-ct-workflow-multi-institutional-consensus-on-standardization-of-abdominopelvic-mdct-protocols
#2
Bhavik N Patel, Lauren Alexander, Brian Allen, Lincoln Berland, Amir Borhani, Achille Mileto, Courtney Moreno, Desiree Morgan, Dushyant Sahani, William Shuman, Eric Tamm, Mitchell Tublin, Benjamin Yeh, Daniele Marin
PURPOSE: To standardize workflow for dual-energy computed tomography (DECT) involving common abdominopelvic exam protocols. MATERIALS AND METHODS: 9 institutions (4 rsDECT, 1 dsDECT, 4 both) with 32 participants [average # years (range) in practice and DECT experience, 12.3 (1-35) and 4.6 (1-14), respectively] filled out a single survey (n = 9). A five-point agreement scale (0, 1, 2, 3, 4-contra-, not, mildly, moderately, strongly indicated, respectively) and utilization scale (0-not performing and shouldn't; 1-performing but not clinically useful; 2-performing but not sure if clinically useful; 3-not performing it but would like to; 4-performing and clinically useful) were used...
November 25, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27876341/imaging-of-neuroendocrine-tumors-of-the-pancreas
#3
C Dromain, D Déandréis, J-Y Scoazec, D Goere, M Ducreux, E Baudin, L Tselikas
Pancreatic neuroendocrine tumors (PNETs) are rare and represent a heterogeneous disease. PNET can be functioning or non-functioning with different clinical presentations and different prognosis based on WHO and pTNM classifications. The role of imaging includes the localization of small functioning tumor, differentiation of these tumors from adenocarcinoma, identification of signs of malignancy and evaluation of extent. PNETs have a broad spectrum of appearance. On CT and MRI, most of functioning PNETs are well defined small tumors with intense and homogeneous enhancement on arterial and portal phases...
December 2016: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/27871680/clinical-significance-of-circumportal-pancreas-a-rare-congenital-anomaly-in-pancreatectomy
#4
Takao Ohtsuka, Yasuhisa Mori, Kousei Ishigami, Takaaki Fujimoto, Yoshihiro Miyasaka, Kohei Nakata, Kenoki Ohuchida, Eishi Nagai, Yoshinao Oda, Shuji Shimizu, Masafumi Nakamura
BACKGROUND: Circumportal pancreas is a rare congenital pancreatic anomaly. The aim of this study was to clarify the clinical characteristics of patients with circumportal pancreases undergoing pancreatectomy. METHODS: The medical records of 508 patients who underwent pancreatectomy were retrospectively reviewed. The prevalence of circumportal pancreas and related anatomical variations were assessed. Surgical procedures and postoperative outcomes were compared in patients with and without circumportal pancreas...
November 15, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27864600/comparison-of-true-unenhanced-and-virtual-unenhanced-vue-attenuation-values-in-abdominopelvic-single-source-rapid-kilovoltage-switching-spectral-ct
#5
Amir A Borhani, Matthew Kulzer, Negaur Iranpour, Anish Ghodadra, Mark Sparrow, Alessandro Furlan, Mitchell E Tublin
OBJECTIVE: To assess the agreement between the true non-contrast (TNC) attenuation values of intra-abdominal structures and attenuation values obtained on virtual-unenhanced (VUE) images based on rapid kVp-switching dual-energy CT. The effects of contrast phase and patient characteristics (e.g., BMI, hematocrit, hemoglobin content) on VUE values were also investigated. METHODS: Ninety four patients who underwent triphasic abdominal CT (liver mass protocol, n = 47; pancreas mass protocol, n = 47) between August 2014 and May 2015 were retrospectively reviewed...
November 18, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27846664/laparoscopic-splenectomy-in-children-a-modified-technique-with-joint-sealing-of-segmental-splenic-arteries-and-veins-favorably-compared-with-the-classic-technique
#6
Sara Silvaroli, Marianne De Montalembert, Frédérique Sauvat, Valentine Brousse, Sabine Sarnacki, Sabine Irtan
Introduction Splenectomy in children is nowadays widely performed by laparoscopy, the major risk being operative hemorrhage. We hereby compare the results of two different techniques of vascular control. Materials and Methods We retrospectively reviewed all patients undergoing a laparoscopic splenectomy (LS) for hematologic disease at a single institution from 2004 to 2013. LS was performed by a lateral approach. The 10-mm optic port was placed in the umbilicus and two 5-mm working ports were placed in the left lower quadrant and in the right upper quadrant near the midline...
November 15, 2016: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27846135/the-vascular-microarchitecture-of-the-human-fetal-pancreas-a-corrosion-casting-and-scanning-electron-microscopy-study
#7
Janusz Gorczyca, Krzysztof A Tomaszewski, Brandon Michael Henry, Przemysław Andrzej Pękala, Artur Pasternak, Ewa Mizia, Jerzy A Walocha
OBJECTIVES: Detailed knowledge on the development of the pancreas is required to understand the variability in its blood supply. The aim of our study was to use the corrosion casting method combined with scanning electron microscopy to study the organization of the pancreatic microcirculation in human fetuses. METHODS: The study was conducted on 28 human fetuses aged 18 to 25 gestational weeks. The fetal vasculature was appropriately prepared and then perfused with a low-viscosity Mercox CL-2R resin...
November 11, 2016: Pancreas
https://www.readbyqxmd.com/read/27826941/circumportal-pancreas-a-must-know-pancreatic-anomaly-for-the-pancreatic-surgeon
#8
Andreas Minh Luu, C Braumann, T Herzog, M Janot, W Uhl, A M Chromik
PURPOSE: Circumportal pancreas is a rare congenital pancreatic anomaly with encasement of the portal vein and/or the superior mesenteric vein by pancreatic tissue. It is often overlooked on cross-sectional imaging studies and can be encountered during pancreatic surgery. Pancreatic head resection with circumportal pancreas is technically difficult and bears an increased risk of postoperative pancreatic fistula. MATERIALS AND METHODS: A retrospective chart review of our data base for all patients who had undergone pancreatic head resection between 2004 and 2015 was performed...
November 8, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27813710/usefulness-of-three-dimensional-modeling-in-surgical-planning-resident-training-and-patient-education
#9
Ciro Andolfi, Alejandro Plana, Patrick Kania, P Pat Banerjee, Stephen Small
BACKGROUND: Imaging has a critical impact on surgical decision making and three-dimensional (3D) digital models of patient pathology can now be made commercially. We developed a 3D digital model of a cancer of the head of the pancreas by integrating actual CT data with 3D modeling process. After this process, the virtual pancreatic model was also produced using a high-quality 3D printer. PATIENTS AND METHODS: A 56-year-old female with pancreatic head adenocarcinoma presented with biliary obstruction and jaundice...
November 4, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27789228/vascular-development-in-the-vertebrate-pancreas
#10
D Berfin Azizoglu, Diana C Chong, Alethia Villasenor, Judith Magenheim, David M Barry, Simon Lee, Leilani Marty-Santos, Stephen Fu, Yuval Dor, Ondine Cleaver
The vertebrate pancreas is comprised of a highly branched tubular epithelium, which is intimately associated with an extensive and specialized vasculature. While we know a great deal about basic vascular anatomy of the adult pancreas, as well as islet capillaries, surprisingly little is known about the ontogeny of its blood vessels. Here, we analyze development of the pancreatic vasculature in the mouse embryo. We show that pancreatic epithelial branches intercalate with the fine capillary plexus of the surrounding pancreatic mesenchyme...
December 1, 2016: Developmental Biology
https://www.readbyqxmd.com/read/27780664/vascular-enhancement-pattern-of-mass-in-computed-tomography-may-predict-chemo-responsiveness-in-advanced-pancreatic-cancer
#11
Shin Il Kim, Jun Young Shin, Jin-Seok Park, Seok Jeong, Yong Sun Jeon, Moon Han Choi, Hyun Jong Choi, Jong Ho Moon, Jae Chul Hwang, Min Jae Yang, Byoung Moo Yoo, Jin Hong Kim, Hyun Woo Lee, Chang-Il Kwon, Don Haeng Lee
INTRODUCTION: Chemo-responsiveness in pancreatic cancer is known to be dependent on fibrosis and vascularity. The purpose of this study was to assess vascular enhancement in advanced pancreatic adenocarcinoma with or without liver metastasis in computed tomography (CT) and to analyze the correlation between enhancement patterns and chemo-responsiveness. METHODS: Patients were assigned to either a responder group (partial response or stable disease) or a non-responder group (progressive disease) according to chemo-responsiveness assessed by CT before and after gemcitabine-based chemotherapy...
October 19, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/27756417/pancreatic-cancer-adjuvant-radiotherapy-target-volume-design-based-on-the-postoperative-local-recurrence-spatial-location
#12
Wei Yu, Wei Hu, Yongjie Shui, Xiaoyang Zhu, Chao Li, Xiaoqiu Ren, Xueli Bai, Risheng Yu, Li Shen, Tingbo Liang, Lei Zheng, Qichun Wei
OBJECTIVES: To explore the areas at highest risk for postoperative pancreatic cancer local recurrence according to the spatial location of local failures, with the aim to provide a precise target volume for pancreatic cancer adjuvant radiotherapy. METHODS: Patients with pancreatic cancer who had undergone surgery for the primary tumor in pancreas at our institution from January 2010 to August 2015 were retrospectively analyzed. All local recurrences were plotted on the computed tomography (CT) image of a representative patient according to their relative coordinates to superior mesenteric artery (SMA) or celiac axis (CA)...
October 19, 2016: Radiation Oncology
https://www.readbyqxmd.com/read/27756027/hand-assisted-laparoscopic-spleen-preserving-distal-pancreatectomy-combined-with-laparoscopic-distal-gastrectomy-for-the-treatment-of-pancreatic-neuroendocrine-tumor-with-early-gastric-cancer-report-of-a-case
#13
Hiroki Sugita, Hideyuki Kuroki, Takahiko Akiyama, Nobuya Daitoku, Rumi Tashima, Hiroshi Tanaka, Shinobu Honda, Masahiko Hirota
INTRODUCTION: In a distal pancreatectomy combined with a distal gastrectomy, the splenic artery and vein must be conserved. However, it is not easy in pure laparoscopic surgery. We performed a hand-assisted laparoscopic spleen-preserving distal pancreatectomy (HALS-SPDP) combined with a laparoscopic distal gastrectomy (LDG) for the treatment of a pancreatic neuroendocrine tumor (NET) with early gastric cancer. PRESENTATION OF CASE: A 67-year-old male was hospitalized with no complaint...
2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27742321/beneficial-effect-of-extracorporeal-membrane-oxygenation-on-organ-perfusion-during-management-of-the-unstable-brain-dead-donor-a%C3%A2-case-series
#14
J H Kang, B H Choi, K M Moon, Y M Park, K H Yang, J H Ryu, C W Chu
It is well known that the quality of organs retrieved from brain-dead donors (DBDs) is better than those retrieved from circulatory death donors. However, in situations of organ retrieval from marginal DBDs, who are unstable despite intensive care, transplantation outcomes are not good. Organ ischemia is the most important determining factor in decreased organ quality in circulatory death donors and in some DBDs. Extracorporeal membrane oxygenation (ECMO) for management of DBDs can be an emergency countermeasure...
September 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27734589/mesopancreas-is-a-misnomer-time-to-correct-the-nomenclature
#15
Dhananjaya Sharma, Shuji Isaji
Focused pathological attention to tumor invasion of the retroperitoneal resection margin after pancreaticoduodenectomy for cancer of head of the pancreas led to the knowledge of strong tendency of cancer cells to infiltrate into the retropancreatic tissue and to spread along the peripancreatic neural plexuses as the cause of local recurrence. The term 'mesopancreas' was coined to describe perineural lymphatic layer located dorsally to the pancreas and it was suggested that its complete resection will minimize loco-regional recurrence and improve outcome...
October 12, 2016: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/27725029/safety-of-intra-arterial-injection-with-tumor-activated-t-cells-to-the-rabbit-brain-evaluated-by-mri-and-spect-ct
#16
Johan Lundberg, Emma Jussing, Zhenjiang Liu, Qingda Meng, Martin Rao, Erik Samén, Rikard Grankvist, Peter Damberg, Ernest Dodoo, Markus Maeurer, Staffan Holmin
Glioblastoma (GBM) is the most common and most severe form of malignant gliomas. The prognosis is poor with current combinations of pharmaceutical-, radio- and surgical therapy. A continuous search for new treatments has therefore been ongoing for many years. Therapy with tumor-infiltrating lymphocytes (TIL) is a clinically promising strategy to treat various cancers, including GBM. An endovascular intra-arterial injection of TIL as a method of delivery may, instead of intravenous infusion, result in better retention of effector cells within the tumor...
October 7, 2016: Cell Transplantation
https://www.readbyqxmd.com/read/27636383/multidetector-ct-imaging-of-the-pancreatic-groove-differentiating-carcinomas-from-paraduodenal-pancreatitis
#17
Lewis K Shin, R Brooke Jeffrey, Reetesh K Pai, Siva P Raman, Elliot K Fishman, Eric W Olcott
OBJECTIVE: This study aims to identify multidetector row CT (MDCT) findings that differentiate paraduodenal pancreatitis (PDP) from groove carcinomas (GC). METHODS: Two radiologists retrospectively reviewed various imaging features on pancreas protocol CT scans of 8 PDP and 8 GC patients. Two-tailed Fisher's Exact Test was used for statistical analysis. RESULTS: MDCT findings correlating with PDP included benign common bile duct morphology (P<...
August 4, 2016: Clinical Imaging
https://www.readbyqxmd.com/read/27561734/isolating-tape-method-is-useful-for-an-early-judgment-of-curability-during-pancreaticoduodenectomy-for-pancreatic-cancer
#18
Shuichi Fujioka, Takeyuki Misawa, Katsuhiko Yanaga
Positive surgical margin of extrapancreatic nerve plexus (ENP) is a major cause of non-curative resection during pancreaticoduodenectomy (PD) for periampullary carcinoma (PC), which is difficult to detect at the early stage of PD. We describe a novel surgical technique using an isolating tape (iTape)-oriented ENP-first dissection (IOEFD) during PD. The iTape is firstly passed through the retroperitoneal space between ENP and inferior vena cava. Then, the iTape is further extracted from major vessels such as the common hepatic and superior mesenteric artery...
October 2016: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/27555344/the-dorsal-pancreatic-artery-in-pancreas-procurement-and-transplantation-anatomical-considerations-and-potential-implications
#19
André G Baranski, Hwai-Ding Lam, Andries E Braat, Alexander F Schaapherder
AIM: Organ procurement errors account for almost 20% of discarded pancreatic allografts. For this reason, the anatomical significance of the dorsal pancreatic artery (DPA) was reviewed. METHODS: A strategy on dealing with an often overlooked DPA is evaluated. RESULTS: The DPA provides together with the splenic artery the main blood supply to the pancreatic tail. Three different arterial variations have been described. In the rare instances when the DPA arises from the common hepatic artery or the celiac trunk, instead of the splenic origin, the DPA can easily be overlooked by surgeons not familiar with this artery...
October 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/27550618/a-safe-method-for-middle-colic-dissection-and-ligation-at-its-origin-in-a-laparoscopic-extended-right-hemicolectomy
#20
Frederick H Koh, Ker-Kan Tan
BACKGROUND: Laparoscopic extended right hemicolectomy is regarded as one of the more difficult procedures in colorectal surgery due to the complexity of the dissection around the pancreatic neck to identify the origin of the middle colic artery.1 Proper identification and ligation of the middle colic artery at its origin is paramount to achieve complete mesocolic excision.2 (,) 3 We describe our technique of middle colic vessels dissection in a laparoscopic extended right hemicolectomy...
August 22, 2016: Annals of Surgical Oncology
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