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https://www.readbyqxmd.com/read/27923223/intestinal-pneumatosis-associated-with-tuberculosis-after-allogeneic-hematopoietic-stem-cell-transplantation
#1
Vivek Venkataramani, Ali Seif Amir Hosseini, Marco H Schulze, Lorenz Trümper, Gerald Wulf, Ulrike Bacher, Wolfram Jung
Pneumatosis intestinalis (PI), defined as intestinal intra- and extramural gas accumulation, is a rare radiographic finding in conditions of intestinal wall damage of varied etiology. Here, we report on a 56-year-old female with multiple myeloma who presented with undulating fever, fluctuating abdominal symptoms, and a distended abdomen 5 months after allogeneic hematopoietic stem cell transplantation (HSCT). Abdominal X-ray and CT scan documented PI with gas accumulation both in the intestinal and colonic bowel walls...
December 7, 2016: Acta Haematologica
https://www.readbyqxmd.com/read/27922538/the-role-of-68ga-dota-noc-pet-ct-in-evaluating-neuroendocrine-tumors-real-world-experience-from-two-large-neuroendocrine-tumor-centers
#2
Mohamad Haidar, Ali Shamseddine, Emmanouil Panagiotidis, Mario Jreige, Deborah Mukherji, Rita Assi, Rayan Abousaid, Toni Ibrahim, Marwan M Haddad, Sobhan Vinjamuri
OBJECTIVE: Our aim was to assess the role of Ga-DOTA-NOC PET/CT as a tool for the management of neuroendocrine tumors (NETs), evaluating the clinical impact on patients from two large NET centers in different geopolitical settings. PATIENTS AND METHODS: This is a retrospective study of patients with NETs who underwent Ga-DOTA-NOC PET/CT at Royal Liverpool University Hospital (UK) and at Mount Lebanon Hospital (Lebanon). Indications for imaging and findings of the PET/CT along with demographic and clinical outcome data were recorded and evaluated...
December 2, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27921171/computed-tomography-and-magnetic-resonance-fusion-imaging-in-cholesteatoma-preoperative-assessment
#3
Agustín Campos, Federico Mata, Rosa Reboll, María Luisa Peris, Jorge Basterra
The purpose of this study is to describe a method for developing fusion imaging for the preoperative evaluation of cholesteatoma. In 33 patients diagnosed with cholesteatoma, a high-resolution temporal bone computed tomography (CT) scan without intravenous contrast and propeller diffusion-weighted magnetic resonance imaging (MRI) were performed. Both studies were then sent to the BrainLAB work station, where the images were fused to obtain a morphological and color map. Intraoperative findings coincided with fusion CT-MRI imaging in all but two patients...
December 5, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27920848/a-systematic-investigation-of-sclerosing-mesenteritis-through-ct-and-mri
#4
Sotirios Apostolakis, Argyrios Ioannidis, Garyfalia Tsioga, Konstantina Papageorgiou, Georgios Velimezis
Sclerosing mesenteritis is primarily diagnosed through histologic and radiologic evaluation; however, only a few works provide a systematic description using MRI. This work presents the case of a 68-year-old male, who was admitted for a routine cholecystectomy. Intraoperativly, a large mass was identified dislocating the abdominal viscera. The microscopic examination revealed vascular congestion of the omentum. The contrast-enhanced CT and MRI scans revealed the presence of a heterogenous, lipomatous mass with lesions visible only in T2W and contrast-enhanced T1W MRI...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27920846/three-dimensional-computed-tomography-rendering-of-pedunculated-colon-polyp-new-clapper-bell-sign-pedunculated-polyp-at-3d-computed-tomography
#5
Marco Di Serafino, Rosa Severino, Fabia Laviani, Domenico Maroscia
The incidental detection of a tubulovillous adenoma at a contrast-enhanced computed tomography (CECT) with nondedicated protocol, performed in emergency conditions, is an uncommon finding. We report a case of a woman presenting with a subocclusive episode. A CECT scan was performed, and a pedunculated polyp could be appreciated at 3D-reconstruction images. A particular depiction of pedunculus of the polypoid lesion, resemble a clapper-bell, could help to define the vegetating lesion at the volume-rendering reconstruction images...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27920842/utility-of-electrocardiography-ecg-gated-computed-tomography-ct-for-preoperative-evaluations-of-thymic-epithelial-tumors
#6
Yoshiyuki Ozawa, Masaki Hara, Motoo Nakagawa, Yuta Shibamoto
BACKGROUND: Preoperative evaluation of invasion to the adjacent organs is important for the thymic epithelial tumors on CT. The purpose of our study was to evaluate the utility of electrocardiography (ECG)-gated CT for assessing thymic epithelial tumors with regard to the motion artifacts produced and the preoperative diagnostic accuracy of the technique. MATERIAL/METHODS: Forty thymic epithelial tumors (36 thymomas and 4 thymic carcinomas) were examined with ECG-gated contrast-enhanced CT using a dual source scanner...
2016: Polish Journal of Radiology
https://www.readbyqxmd.com/read/27920648/synchronous-adenocarcinoma-of-the-colon-and-rectal-carcinoid
#7
Vamshidhar Vootla, Rafeeq Ahmed, Masooma Niazi, Bhavna Balar, Suresh Nayudu
Primary colonic adenocarcinoma and synchronous rectal carcinoids are rare tumors. Whenever a synchronous tumor with a nonmetastatic carcinoid component is encountered, its prognosis is determined by the associate malignancy. The discovery of an asymptomatic gastrointestinal carcinoid during the operative treatment of another malignancy will usually only require resection without additional treatment and will have little effect on the prognosis of the individual. This article reports a synchronous rectal carcinoid in a patient with hepatic flexure adenocarcinoma...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27920640/intussuscepting-ampullary-adenoma-an-unusual-cause-of-gastric-outlet-obstruction-leading-to-cavitating-lung-lesions
#8
Simon J McCluney, Vickna Balarajah, Alex Giakoustidis, Joanne Chin-Aleong, Bryony Lovett, Hemant M Kocher
Ampullary adenomas are a rare clinical entity, occurring at a rate of 0.04-0.12% in the general population. They are premalignant lesions which have the capability to progress to malignancy, and they should be excised if they are causing immediate symptoms and/or are likely to degenerate to carcinoma. Intestinal intussusception in adults is rare and, unlike in children, is often due to a structural pathology. Intussuscepting duodenal/ampullary adenomas have been reported in the literature on 13 previous occasions, however never before with this presentation...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27919970/11c-acetate-pet-ct-compared-to-99mtc-hdp-bone-scintigraphy-in-primary-staging-of-high-risk-prostate-cancer
#9
Sara Strandberg, Camilla Thellenberg Karlsson, Mattias Ogren, Jan Axelsson, Katrine Riklund
AIM: The aim of this study was to evaluate the detection rate of bone metastases and the added value of (11)C-acetate (ACE) positron-emission tomography/computed tomography (PET/CT) compared to bone scintigraphy (BS) in high-risk prostate cancer (PC). MATERIALS AND METHODS: A total of 66 untreated patients with high-risk PC with ACE-PET/CT and planar BS findings within 3 months of each other were retrospectively enrolled. Findings were compared and verified with follow-up data after an average of 26 months...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919200/bony-ankylosis-of-the-facet-joint-of-the-cervical-spine-in-rheumatoid-arthritis-its-characteristics-and-relationship-to-the-clinical-findings
#10
Haku Iizuka, Yoichi Iizuka, Koichi Okamura, Yukio Yonemoto, Tokue Mieda, Kenji Takagishi
OBJECTIVES: The purpose of this study was to clarify the characteristics of bony ankylosis of the facet joint of the cervical spine in RA patients who required cervical spine surgery, and its relationship to the clinical findings. METHODS: Eighty consecutive RA patients with cervical spine disorder who received initial surgery were reviewed. The occurrence of bony ankylosis of the facet joint of the cervical spine was investigated using computed tomography (CT) before surgery...
December 6, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27919199/predictive-factors-associated-with-the-progression-of-large-joint-destruction-in-patients-with-rheumatoid-arthritis-after-biologic-therapy-a-post-hoc-analysis-using-fdg-pet-ct-and-the-arashi-assessment-of-rheumatoid-arthritis-by-scoring-of-large-joint-destruction
#11
Takahito Suto, Yukio Yonemoto, Koichi Okamura, Chisa Okura, Tetsuya Kaneko, Tsutomu Kobayashi, Masahiro Tachibana, Yoshito Tsushima, Kenji Takagishi
OBJECTIVE: To investigate the associations between large joint damage and findings on fluorodeoxyglucose positron emission tomography combined with computed tomography (FDG-PET/CT) using the "assessment of rheumatoid arthritis by scoring of large joint destruction and healing in radiographic imaging (ARASHI)" scoring system. METHODS: A total of 270 large joints (shoulders, elbows, hips, knees, and ankles) in 27 rheumatoid arthritis patients were assessed. FDG-PET/CT was performed at the initiation of biologics...
December 6, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27919129/-a-case-of-recurrent-renal-cancer-in-the-autografted-kidney-treated-with-percutaneous-cryoablation
#12
Eisuke Tomiyama, Shinichiro Fukuhara, Takeshi Ujike, Akira Nagahara, Motohide Uemura, Hiroshi Kiuchi, Ryoichi Imamura, Yasushi Miyagawa, Mikio Nin, Norio Nonomura
We report a case of recurrent renal cancer in the autografted kidney, treated with percutaneous cryoablation. A 59-year-old man who had bilateral renal tumors underwent radical left nephrectomy, ex vivo right partial nephrectomy and auto-transplantation at the right ileal fossa in our hospital 11 years ago. Histopathological examination showed clear cell renal cell carcinoma in bilateral kidneys (pT1bN0M0). He had been followed at another hospital without tumor recurrence for 11 years. In 2014, an enhanced CT scan revealed a renal tumor with a diameter of two centimeters in the autografted kidney, which was thought to be a recurrence of the initial renal cancer...
October 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27918576/respect-ed-rates-of-pulmonary-emboli-pe-and-sub-segmental-pe-with-modern-computed-tomographic-pulmonary-angiograms-in-emergency-departments-a-multi-center-observational-study-finds-significant-yield-variation-uncorrelated-with-use-or-small-pe-rates
#13
David Mountain, Gerben Keijzers, Kevin Chu, Anthony Joseph, Catherine Read, Gabriel Blecher, Jeremy Furyk, Chrianna Bharat, Karthik Velusamy, Andrew Munro, Kylie Baker, Frances Kinnear, Ahses Mukherjee, Gina Watkins, Paul Buntine, Georgia Livesay, Daniel Fatovich
INTRODUCTION: Overuse of CT Pulmonary Angiograms (CTPA) for diagnosing pulmonary embolism (PE), particularly in Emergency Departments (ED), is considered problematic. Marked variations in positive CTPA rates are reported, with American 4-10% yields driving most concerns. Higher resolution CTPA may increase sub-segmental PE (SSPE) diagnoses, which may be up to 40% false positive. Excessive use and false positives could increase harm vs. benefit. These issues have not been systematically examined outside America...
2016: PloS One
https://www.readbyqxmd.com/read/27918377/utility-of-emergency-department-observation-units-for-neurologically-intact-children-with-head-ct-abnormalities-secondary-to-acute-closed-head-injury
#14
Roxanna Lefort, Jill V Hunter, Andrea T Cruz, A Chantal Caviness, Thomas G Luerssen, Aderonke Adekunle-Ojo
OBJECTIVE: The aim of the study was to evaluate the utility of the emergency department observation unit (EDOU) for neurologically intact children with closed head injuries (CHIs) and computed tomography (CT) abnormalities. METHODS: A retrospective cohort study of children aged 0 to 18 years with acute CHI, abnormal head CT, and a Glasgow Coma Scales score of 14 or higher admitted to the EDOU of a tertiary care children's hospital from 2007 to 2010. Children with multisystem trauma, nonaccidental trauma, and previous neurosurgical or coagulopathic conditions were excluded...
December 1, 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27917808/unenhanced-computed-tomography-findings-of-renal-papillae-in-patients-with-a-ureteral-stone
#15
Selim Serter, Erkan Sahin, Utku Mahir Yildirim, Murat Arslan, Ayhan Karakose
PURPOSE: In some patients with a ureteral stone without uretero-hydronephrosis, it is difficult to determine the location of the stone. The objective of the present study was to investigate the changes in renal papillae using unenhanced computerized tomography (uCT) and determine the side of calculi using the renal papillary findings in patients with a ureteral stone. METHODS: uCT data from 81 patients were retrospectively reviewed for this study. The inclusion criteria were unilateral ureteral calculi, no renal calculi and no hydronephrosis...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27917698/tetramethylpyrazine-protects-against-glucocorticoid-induced-apoptosis-by-promoting-autophagy-in-mesenchymal-stem-cells-and-improves-bone-mass-in-glucocorticoid-induced-osteoporosis-rats
#16
Long Wang, Hong-Yang Zhang, Bo Gao, Jun Shi, Qiang Huang, Yue-Hu Han, Ya-Qian Hu, Wei-Guang Lu, Zhuo-Jie Zhao, Bao-Hua Liu, Qiang Jie, Liu Yang, Zhuo-Jing Luo
Glucocorticoid-induced osteoporosis (GIOP) is a widespread clinical complication due to the common use of glucocorticoids. Excess glucocorticoids induce apoptosis of bone marrow-derived mesenchymal stem cells (BMSCs), which have been shown to play an increasingly important role in the pathogenesis and therapy of osteoporosis. Tetramethylpyrazine (TMP), an extract from one of the most recognized herbs in traditional Chinese medicine (Chuanxiong), has been reported to have anti-apoptotic properties. In this study, we tested whether TMP protects rat BMSCs following exposure to glucocorticoids in vitro and in vivo...
December 4, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27916111/justification-of-ct-for-individual-health-assessment-of-asymptomatic-persons-a%C3%A2-world-health-organization-consultation
#17
Jim Malone, Maria Del Rosario Perez, Eva Godske Friberg, Mathias Prokop, Seung Eun Jung, Jurgen Griebel, Steve Ebdon-Jackson
An international expert consultation was convened by the World Health Organization (WHO). The purpose of the meeting was to review the use of CT in examining asymptomatic people. This is often referred to as individual health assessment (IHA). IHA was identified as a global phenomenon unenthusiastically tolerated, and not actively promoted, structured, or regulated in most countries. This paper identifies the state of the art for IHA and some considerations in relation to its justification, in different regions of the world...
December 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27915070/vicarious-ratings-of-social-touch-reflect-the-anatomical-distribution-velocity-tuning-of-c-tactile-afferents-a-hedonic-homunculus
#18
Susannah C Walker, Paula D Trotter, Andy Woods, Francis McGlone
A subclass of C-fibres, C-tactile afferents (CTs), have been discovered which respond preferentially to low force/velocity stroking touch, that is typically perceived as pleasant. Molecular genetic visualization of these low-threshold mechanosensitive C-fibres (CLTMs) in mice revealed a denser distribution in dorsal than ventral thoracic sites, scattered distal limb innervation and a complete absence from glabrous paw skin (Liu et al., 2007). Here we used third-party ratings to examine whether affective responses to social touch reflect the anatomical distribution and velocity tuning of CTs...
November 30, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27914206/is-ultrasound-a-valid-and-reliable-imaging-modality-for-airway-evaluation-an-observational-computed-tomographic-validation-study-using-submandibular-scanning-of-the-mouth-and-oropharynx
#19
Faraj W Abdallah, Eugene Yu, Phantila Cholvisudhi, Ahtsham U Niazi, Ki J Chin, Sherif Abbas, Vincent W Chan
OBJECTIVES: Ultrasound (US) imaging of the airway may be useful in predicting difficulty of airway management (DAM); but its use is limited by lack of proof of its validity and reliability. We sought to validate US imaging of the airway by comparison to CT-scan, and to assess its inter- and intra-observer reliability. We used submandibular sonographic imaging of the mouth and oropharynx to examine how well the ratio of tongue thickness to oral cavity height correlates with the ratio of tongue volume to oral cavity volume, an established tomographic measure of DAM...
December 3, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27913838/isolated-transverse-process-fractures-insignificant-injury-or-marker-of-complex-injury-pattern
#20
G Lombardo, P Petrone, K Prabhakaran, C P Marini
INTRODUCTION: This study investigates the incidence of isolated transverse process fractures (ITPFx) amongst vertebral fractures in trauma patients, and specific-associated injury patterns present in patients with ITPFx. MATERIALS AND METHODS: A retrospective, 4-year review of our Level 1 Trauma Center registry was performed. Patients with blunt spinal column fractures were identified. Data collected included patient demographics, Injury Severity Score (ISS), type of imaging obtained, and concomitant injuries, including rib and pelvic fractures, liver, spleen, and kidney injury (SOI)...
December 2, 2016: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
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