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Abdominal CT

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https://www.readbyqxmd.com/read/28651187/association-of-ectopic-fat-with-abdominal-aorto-illiac-and-coronary-artery-calcification-in-african-ancestry-men
#1
Allison L Kuipers, Joseph M Zmuda, J Jeffrey Carr, James G Terry, Sangeeta Nair, Ryan Cvejkus, Clareann H Bunker, Alan L Patrick, Christina L Wassel, Iva Miljkovic
BACKGROUND AND AIMS: There is strong evidence that fat accumulating in non-adipose sites, "ectopic fat", is associated with cardiovascular disease (CVD), including vascular calcification. Most previous studies of this association have assessed only a single ectopic fat depot. Therefore, our aim was to assess the association of total, regional, and ectopic fat with abdominal aorto-illiac calcification (AAC) and coronary artery calcification (CAC) in 798 African ancestry men. METHODS: Participants (mean age 62) were from the Tobago Bone Health Study cohort...
June 16, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28650669/visceral-adiposity-and-expression-of-clock-genes-in-peripheral-blood-mononuclear-cells-a-pilot-study
#2
Sue Kim, Hye-Sun Lee, Hyun-Ki Park, John A Linton, Ji-Won Lee, Hyangkyu Lee
Increasing evidence suggests a close interrelationship between disrupted circadian rhythms and obesity and metabolic disturbances. In particular, abdominal obesity, which contributes to the pathogenesis of metabolic disease, is associated with disrupted clock gene expression. However, little is known about the relationship between clock gene expression and accurate computed tomography (CT)-based measurements of visceral adiposity. Therefore, we examined the relationship between expression of clock genes in peripheral blood mononuclear cells (PBMCs) with visceral and subcutaneous adiposity in 75 healthy overweight or obese individuals...
June 26, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28650557/association-between-metformin-prescription-and-growth-rates-of-abdominal-aortic-aneurysms
#3
J Golledge, J Moxon, J Pinchbeck, G Anderson, S Rowbotham, J Jenkins, M Bourke, B Bourke, A Dear, T Buckenham, R Jones, P E Norman
BACKGROUND: It has been suggested that diabetes medications, such as metformin, may have effects that inhibit abdominal aortic aneurysm (AAA) growth. The aim of this study was to examine the association of diabetes treatments with AAA growth in three patient cohorts. METHODS: AAA growth was studied using ultrasound surveillance in cohort 1, repeated CT in cohort 2 and more detailed repeat CT in cohort 3. Growth was estimated by the mean annual increase in maximum AAA diameter...
June 26, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28649475/solid-pseudopapillary-tumor-of-the-pancreas-an-unusual-cause-of-abdominal-pain
#4
Talal El Imad, Fady G Haddad, Mayurathan Kesavan, Liliane Deeb, Sherif Andrawes
Solid-pseudopapillary neoplasm (SPN) of the pancreas is a rare tumor that accounts for less than one percent of pancreatic tumors. The diagnosis could be challenging as SPN tend to manifest with nonspecific abdominal symptoms, variable radiological features, and inconsistent morphology. The cellular origin of SPN is unclear and might involve ductal, acinar and endocrine stem cells.  We report a rare case of a 27-year-old female who presented with intermittent abdominal pain for two years, associated with a decrease in appetite...
May 16, 2017: Curēus
https://www.readbyqxmd.com/read/28648650/planning-execution-and-follow-up-for-endovascular-aortic-aneurysm-repair-using-a-highly-restrictive-iodinated-contrast-protocol-in-patients-with-severe-renal-disease
#5
E Gallitto, G L Faggioli, M Gargiulo, A Freyrie, R Pini, C Mascoli, S Ancetti, V Vento, A Stella
BACKGROUND: The cumulative amount of iodinated-contrast-medium necessary for EVAR planning, operative procedure and subsequent follow-up is a threat for the onset of end stage renal disease in patients with pre-operative impaired kidney function. Purpose of this study is to describe a mini-invasive approach aimed to minimize the exposure of these patients to iodinated-contrast-medium and the subsequent risk of renal function worsening. METHODS: From 2012 to 2015, all patients with abdominal aortic aneurysm (AAA) at high-surgical risk and fit for standard endovascular repair (simple aortic-iliac anatomy: proximal and distal neck length ≥15mm, no severe angulation), underwent EVAR through the following "near-zero contrast" approach, if their glomerular filtration rate (GFR) was <30 mL/min: pre-operative planning was performed by non-contrast enhanced computed tomography (CT) and duplex-ultrasound (DU); the origin of renal/hypogastric arteries and aortic bifurcation was evaluated and matched with vertebral bone landmarks and the endograft deployed accordingly, using < 20cc of isotonic iodinate-contrast-medium and contrast-enhancement-DU (CEUS)...
June 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28647766/impact-of-patient-questionnaires-on-completeness-of-clinical-information-and-identification-of-causes-of-pain-during-outpatient-abdominopelvic-ct-interpretation
#6
Ankur M Doshi, Chenchan Huang, Luke Ginocchio, Krishna Shanbhogue, Andrew B Rosenkrantz
PURPOSE: To evaluate the impact of questionnaires completed by patients at the time of abdominopelvic CT performed for abdominal pain on the completeness of clinical information and the identification of potential causes of pain, compared with order requisitions alone. METHODS: 100 outpatient CT examinations performed for the evaluation of abdominal pain were retrospectively reviewed. The specificity of the location of pain was compared between the order requisition and patient questionnaire...
June 24, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28647710/perforated-duodenal-diverticulum-a-rare-complication-in-a-common-condition
#7
Cláudio Branco, Teresa Carneiro, Dina Luis, António Gomes
The authors present a rare case of perforated duodenal diverticulum diagnosed in an 80-year-old Caucasian woman with vomiting and abdominal pain localised to the epigastrium. CT scan showed thickening of the second portion of the duodenum with retroperitoneal fat stranding and perihepatic free fluid, with a presumptive diagnosis of a duodenal perforation. A laparotomy was performed which showed a perforated diverticulum in the second portion of the duodenum. A diverticulectomy with single-layer closure was performed, without complications...
June 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28647576/robotic-assisted-excision-of-a-urachal-diverticulum
#8
Pamela Frazzini Padilla, Soo Kwon
OBJECTIVE: To demonstrate a combined robotic assisted laparoscopic technique with concomitant cystoscopy use for excision of a urachal diverticulum, to ensure complete resection of diverticulum and bladder cuff. DESIGN: Step-by-step demonstration and explanation of the procedure using video illustration. IRB/Ethics Committee ruled that approval was not required for this case report, however patient consent was obtained. SETTING: Vesicourachal diverticula account for approximately 3-5% of congenital urachal anomalies...
June 21, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28646342/a-case-of-malignant-peritoneal-mesothelioma-suggesting-the-utility-of-combining-double-contrast-radiography-and-endoscopy-with-computed-tomography-for-diagnosis
#9
Hirokazu Saito, Shota Hasuda, Jiro Nasu, Mitsuhiko Kitaoka, Ikuo Matsushita
A 68-year-old woman presented with abdominal pain, weight loss, and vomiting. Enhanced computed tomography (CT) showed slightly increased density in the mesentery and edema of the third portion of the duodenum and proximal jejunum. Little ascites, but no primary lesion, lymph node metastases, or distant metastases, were observed. Endoscopic findings included erythema and edema in the distal duodenum and proximal jejunum without epithelial lesions. Double-contrast radiography revealed transverse ridging with convergence, suggesting a serosal lesion...
June 23, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28645675/anatomical-considerations-of-the-iliac-crest-on-percutaneous-endoscopic-discectomy-using-a-transforaminal-approach
#10
Fumitake Tezuka, Toshinori Sakai, Mitsunobu Abe, Kazuta Yamashita, Yoichiro Takata, Kosaku Higashino, Akihiro Nagamachi, Takashi Chikawa, Koichi Sairyo
BACKGROUND CONTEXT: Percutaneous endoscopic discectomy (PED) is a minimally invasive procedure for the surgical treatment of lumbar disc herniation (LDH). It can be performed under local anesthesia and requires a skin incision of only 8 mm, with minimal disruption of the spinal structures including ligaments and muscles. However, performing PED with a transforaminal approach (TF-PED) for the lower lumbar spine is associated with some anatomical problems such as interference from the iliac crest...
June 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28645011/transient-portal-venous-gas-associated-with-reversible-non-occlusive-mesenteric-ischemia-a-case-report
#11
Gaël Piton, Brice Paquette, Eric Delabrousse, Gilles Capellier
OBJECTIVES: To report the utility of abdominal ultrasonography (US) to identify the presence of portal venous gas (PVG) during non-occlusive mesenteric ischemia (NOMI), and to follow the disappearance of portal venous gas after resolution of the NOMI. DATA SOURCES: This was a clinical observation of a patient, with images of abdominal computed tomography (CT), and a video of portal venous gas identified by ultrasonography. DATA SYNTHESIS: We describe the case of an adult patient admitted to our ICU for NOMI developing 48h after cardiac surgery...
June 16, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28643076/scintigraphic-peritoneography-reveals-a-non-uniform-99m-tc-pertechnetat-aerosol-distribution-pattern-for-pressurized-intra-peritoneal-aerosol-chemotherapy-pipac-in-a-swine-model
#12
Alexander Bellendorf, Veria Khosrawipour, Tanja Khosrawipour, Simon Siebigteroth, Joseph Cohnen, David Diaz-Carballo, Andreas Bockisch, Jürgen Zieren, Urs Giger-Pabst
BACKGROUND: Although recent data are contradictory, it is still claimed that Pressurized Intra-Peritoneal Aerosol Chemotherapy (PIPAC) would deliver an aerosol which distributes homogeneously throughout the entire abdominal cavity. METHODS: (99m)Tc-Pertechnetat was administered in four postmortem swine using either PIPAC or liquid intra-peritoneal chemotherapy (IPC). The animals were examined by planar scintigraphy and SPECT/CT. Planar distribution images were divided into four regions of interest (ROIs: right/left upper and lower abdominal quadrant)...
June 22, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28640481/using-analytic-morphomics-to-describe-body-composition-associated-with-post-kidney-transplantation-diabetes-mellitus
#13
David C Cron, Kelly A Noon, Devan R Cote, Michael N Terjimanian, Joshua J Augustine, Stewart C Wang, Michael J Englesbe, Kenneth J Woodside
BACKGROUND: Better risk assessment tools are needed to predict post-transplantation diabetes mellitus (PTDM). Using analytic morphomic measurements from computed tomography (CT) scans, we aimed to identify specific measures of body composition associated with PTDM. METHODS: We retrospectively reviewed 99 non-diabetic kidney transplant recipients who received pre-transplant CT scans at a single institution between 1/2005 and 5/2014. Analytic morphomic techniques were used to measure abdominal adiposity, abdominal size, and psoas muscle area and density, standardized by gender...
June 22, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28640121/effects-of-anatomical-characteristics-as-factors-in-abdominal-aortic-aneurysm-rupture-ct-aortography-analysis
#14
Kyoung Min Lee, Sun Young Choi, Min Uk Kim, Do Yun Lee, Kyung Ah Kim, Sanghui Park
The aim of this study was to analyze the anatomical characteristics of patients with ruptured abdominal aortic aneurysms (AAAs) using computed tomography (CT) aortography in order to determine the risk factors for rupture.We retrospectively reviewed the CT aortography findings and medical records of patients with ruptured AAAs who underwent CT aortography between February 2002 and December 2014. Age, sex, blood pressure at the time of rupture, treatment methods used for the ruptured AAAs, and treatment outcomes were analyzed...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28640080/immature-enteric-ganglion-cells-were-observed-in-a-13-year-old-colon-signet-ring-cell-carcinoma-patient-a-case-report-and-literature-review
#15
Huili Li, Kun Huang, Hui Wang, Lin Wang, Ming Yang, Lixia Wang, Rong Lin, Hongli Liu, Jinbo Gao, Xiaoming Shuai, Xinghua Liu, Kaixiong Tao, Guobin Wang, Zheng Wang
RATIONALE: All the enteric ganglion cells are fully mature by 2 to 5 years of age in human. No one had reported the presentation of immature enteric ganglion cells in elder ones. Colorectal carcinoma is also rare in the adolescent population. The coincidence of these 2 rare events in a 13-year-old boy has never been reported elsewhere, which may suggest some linkage between them. PATIENT CONCERN: A 13-year-old boy presented with progressive abdominal pain and melena for 3 months...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639434/case-of-ileal-herniation-through-the-foramen-of-winslow-diagnosed-preoperatively-by-ct-and-treated-with-laparoscopic-surgery
#16
Yoshitoshi Ichikawa, Akifumi Kanazawa, Nobuhiro Dan, Satoshi Ishikawa, Takaomi Hagi, Gaku Mizojiri, Mituo Tsubakimoto, Hiroshi Oka
A previously healthy 35-year-old man visited the emergency room complaining of epigastric pain and vomiting. The pain was sudden in onset. His blood tests were within normal limits except for a mild neutrophilia of 14 300/μL. Enhanced abdominal CT scan showed the small intestine dilated into the space between the portal vein and inferior vena cava from the foramen of Winslow. Under the diagnosis of herniation through the foramen of Winslow (HFW), we performed emergency laparoscopic surgery. Laparoscopy revealed an internal herniation of the dilated small intestine through the foramen of Winslow...
June 22, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28639046/is-multidetector-ct-based-bone-mineral-density-and-quantitative-bone-microstructure-assessment-at-the-spine-still-feasible-using-ultra-low-tube-current-and-sparse-sampling
#17
Kai Mei, Felix K Kopp, Rolf Bippus, Thomas Köhler, Benedikt J Schwaiger, Alexandra S Gersing, Andreas Fehringer, Andreas Sauter, Daniela Münzel, Franz Pfeiffer, Ernst J Rummeny, Jan S Kirschke, Peter B Noël, Thomas Baum
OBJECTIVE: Osteoporosis diagnosis using multidetector CT (MDCT) is limited to relatively high radiation exposure. We investigated the effect of simulated ultra-low-dose protocols on in-vivo bone mineral density (BMD) and quantitative trabecular bone assessment. MATERIALS AND METHODS: Institutional review board approval was obtained. Twelve subjects with osteoporotic vertebral fractures and 12 age- and gender-matched controls undergoing routine thoracic and abdominal MDCT were included (average effective dose: 10 mSv)...
June 21, 2017: European Radiology
https://www.readbyqxmd.com/read/28638256/comparison-of-ultrasonography-and-low-dose-computed-tomography-for-the-diagnosis-of-pediatric-urolithiasis-in-the-emergency-department
#18
Recep Sade, Hayri Ogul, Suat Eren, Akin Levent, Mecit Kantarci
OBJECTIVE: This study aimed to compare ultrasonography (US) and low-dose computed tomography (LDCT) for diagnosing pediatric urolithiasis in the emergency department. MATERIALS AND METHODS: This retrospective study was approved by our institutional ethics committee, and informed consent was waived. From March 2016 to March 2017, 100 consecutive patients met the selection criteria and were enrolled in the study. Patients were randomly selected in a 1:1 ratio and were allocated to one of the following two imaging groups: US or abdominal LDCT...
June 2017: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/28638005/sclerosing-mesenteritis-causing-chylous-ascites-and-small-bowel-perforation
#19
Huei-Wen Lim, Keith S Sultan
BACKGROUND Sclerosing mesenteritis (SM) is a rare idiopathic inflammation and fibrosis of the mesentery. Its etiology and pathogenesis remain unclear. It has been linked to abdominal trauma related to peritoneal dialysis, recent abdominal surgery, idiopathic inflammatory disorder, paraneoplastic syndrome, ischemia/infection, and autoimmunity. Abdominal CT is the most sensitive imaging modality, and diagnosis is usually confirmed by surgical biopsy. Patients most often present with abdominal pain, nausea, vomiting, diarrhea, and weight loss, and less commonly with chylous ascites and small bowel obstruction...
June 22, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28637997/positional-relationships-of-abdominal-aortic-branches-for-contrast-radiography-of-the-inferior-mesenteric-artery-using-the-coeliac-trunk-and-superior-mesenteric-artery-as-landmarks
#20
Yusuke Nakayama, Shogo Hayashi, Kyoko Takeuchi, Shinichi Kawata, Ning Qu, Masahiro Itoh
PURPOSE: To establish a method by which angiography of the inferior mesenteric artery (IMA) can be performed smoothly, we investigated the relative locations of the coeliac trunk (CT), superior mesenteric artery (SMA), IMA, and left renal artery (LtRA). METHODS: From a total of 60 cadavers, 32 cadavers with few arteriosclerotic lesions and little vascular tortuosity were selected for the study. The abdominal aorta (Ao) were removed and incised on both lateral side, along the vertical axis and transected into the ventral and dorsal sides...
2017: Okajimas Folia Anatomica Japonica
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