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Computer AND Tomography

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https://www.readbyqxmd.com/read/30517828/the-place-of-high-resolution-computed-tomography-imaging-in-the-investigation-of-interstitial-lung-disease
#1
Florence Jeny, Pierre-Yves Brillet, Young-Wouk Kim, Olivia Freynet, Hilario Nunes, Dominique Valeyre
High resolution computed tomography (HRCT) has revolutionized the diagnosis, prognosis, and in some cases the prediction of therapeutic response in interstitial lung disease (ILD). HRCT represents an essential second step to a patient's clinical history, before considering any other investigation, including lung biopsy. Areas covered: This review describes the current place of HRCT in the diagnosis, prognosis and monitoring of ILD. It also lists some perspectives for the near future. Expert commentary: Since the 1980s, HRCT and its interpretation have improved, the diagnosis value of patterns, and the integration of bio-clinical elements to HRCT have been better standardized...
December 5, 2018: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/30517479/dentoalveolar-evaluation-of-lower-incisors-by-cbct-after-treatment-with-herbst-appliance
#2
Camila Gerszewski, Francielle Topolski, Gisele M Correr, Rodrigo A P Gomes, Nathaly D Morais, Alexandre Moro
This study aimed to evaluate the effects of the Herbst appliance on the proclination and protrusion of the lower incisors, and to verify if the device causes alveolar bone loss in the anterior region of the mandible. This is a retrospective study. The sample consisted of 35 individuals. The treatment group consisted of 22 individuals (8 girls and 14 boys; initial mean age of 8.2 years) who used the Cantilever Herbst appliance for a period of 12 months. The control group consisted of 13 individuals (3 girls and 10 boys; initial mean age of 8...
November 2018: Brazilian Dental Journal
https://www.readbyqxmd.com/read/30517473/development-of-a-new-cone-beam-computed-tomography-software-for-endodontic-diagnosis
#3
Mike R Bueno, Carlos Estrela, Brunno C Azevedo, Anibal Diogenes
Cone-beam computed tomography (CBCT) has promoted changes in approaches in Endodontics, and enhanced decision-making in complex clinical cases. Despite the technological advancements in CBCT hardware, the interpretation of the acquired images is still compromised by viewing software packages that often have limited navigational tools and lack adequate filters to overcome some challenges of the CBCT technology such as artefacts. This study reviews the current limitations of CBCT and the potential of a new CBCT software package (e-Vol DX, CDT- Brazil) to overcome these aspects and support diagnosing, planning and managing of endodontic cases...
November 2018: Brazilian Dental Journal
https://www.readbyqxmd.com/read/30517265/red-wine-consumption-coronary-calcification-and-long-term-clinical-evolution
#4
P L da Luz, D Favarato, E H Moriguchi, W de Carli, N Bruscato, R I Mochiduky, P Schwartzman, C E Rochitte, F R Laurindo
Coronary artery calcification (CAC) is associated with atherosclerotic complications. However, elevated CAC may not always imply a worse prognosis. Herein, we report the clinical evolution of long-term red wine (RW) drinkers in relation to CAC. We followed 200 healthy male habitual RW drinkers and compared them to 154 abstainers for a period of 5.5 years. The initial evaluation included coronary computed tomography angiography (CTA), clinical, demographics, and laboratory data. CAC was quantified by the Agatston score...
November 29, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/30517262/ruptured-abdominal-aortic-aneurysm-with-a-suprarenal-tumor
#5
Ali Ahmet Arıkan
This paper presents a case study of a patient that underwent surgery for a ruptured abdominal aneurysm. The postoperative course was complicated by resistant hypertension and tachycardia. A suprarenal mass was detected in the computed tomography scan with radiological suspicion of pheochromocytoma. Few cases of pheochromocytoma coexisting with aneurysms have been reported. Management of cardiovascular stability is crucial in such cases. Despite the lack of evidence, pheochromocytomas might have a role in the etiology of aortic aneurysms...
September 2018: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/30517258/use-of-3d-printing-in-preoperative-planning-and-training-for-aortic-endovascular-repair-and-aortic-valve-disease
#6
Eduardo Nascimento Gomes, Ricardo Ribeiro Dias, Bruno Aragão Rocha, José Augusto Duncan Santiago, Fabrício José de Souza Dinato, Eduardo Keller Saadi, Walter J Gomes, Fabio B Jatene
INTRODUCTION: Three-dimensional (3D) printing has become an affordable tool for assisting heart surgeons in the aorta endovascular field, both in surgical planning, education and training of residents and students. This technique permits the construction of physical prototypes from conventional medical images by converting the anatomical information into computer aided design (CAD) files. OBJECTIVE: To present the 3D printing feature on developing prototypes leading to improved aortic endovascular surgical planning, as well as transcatheter aortic valve implantation, and mainly enabling training of the surgical procedure to be performed on patient's specific condition...
September 2018: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/30517147/infected-cyst-in-patients-with-autosomal-dominant-polycystic-kidney-disease-analysis-of-computed-tomographic-and-ultrasonographic-imaging-features
#7
Jiseon Oh, Cheong-Il Shin, Sang Youn Kim
PURPOSE: To investigate the imaging features of cyst infection in autosomal dominant polycystic kidney disease (ADPKD) patients using computed tomography (CT) and ultrasonography (US). MATERIALS & METHODS: The institutional review board approved this retrospective study. Fifty-one episodes with proven cyst infection in forty-three ADPKD patients were included. Two experienced abdominal radiologists reviewed CT and US images and evaluated the following imaging features in consensus: cyst size, location, cyst shape, intracystic attenuation, intracystic echogenicity, intracystic heterogeneity, wall thickness, the presence of fluid-fluid level, septation, intracystic gas, pericystic fat infiltration, and pericystic hyperemia...
2018: PloS One
https://www.readbyqxmd.com/read/30517110/pulmonary-high-resolution-computed-tomography-findings-in-patients-with-synovitis-acne-pustulosis-hyperostosis-and-osteitis-syndrome
#8
Chen Li, Shuang Liu, Xin Sui, Jian Wang, Wei Song, Wenshuai Xu, Kai-Feng Xu, Xinlun Tian, Wen Zhang
OBJECTIVE: To characterize the high-resolution computed tomography (HRCT) pulmonary abnormalities in patients with synovitis, acne, pustulosis, hyperostosis, and osteitis (SAPHO) syndrome. METHODS: Pulmonary HRCT images were reconstructed from whole-spine computed tomography (CT) images of 67 patients with SAPHO syndrome. HRCT images of 58 healthy controls were also obtained and reviewed. Patients with pneumonia and tuberculosis were excluded. Demographic and clinical data such as gender, age, onset age, disease duration, erythrocyte sedimentation rate (ESR), highly sensitive C-reactive protein (hs-CRP) and the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) were collected from the SAPHO syndrome patients...
2018: PloS One
https://www.readbyqxmd.com/read/30517051/clinical-outcomes-and-recipient-vessel-selection-for-free-flap-transfer-following-arteriovenous-malformation-resection
#9
Masahide Fujiki, Mine Ozaki, Yuki Iwashina, Akihiko Takushima
BACKGROUND: Arteriovenous malformation (AVM) is a rare vascular lesion that is difficult to treat. Radical surgical resection followed by free flap transfer is currently one of the preferred treatments, and this study aimed to assess the selection of recipient vessels and clinical outcomes for free flap transfer after AVM resection to establish better surgical management. METHODS: Data from 22 consecutive patients who underwent free flap transfer after AVM resection were retrospectively reviewed...
December 5, 2018: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/30517033/three-dimensional-kinematic-corridors-of-the-head-spine-and-pelvis-for-small-female-driver-seat-occupants-in-near-and-far-side-oblique-frontal-impacts
#10
John R Humm, Narayan Yoganandan, Klaus G Driesslein, Frank A Pintar
OBJECTIVES: Analyses of recent automotive accident data indicate an increased risk of injury for small female occupants compared to males in similar accidents. Females have been shown to be more susceptible to spinal injuries than males. To protect this more vulnerable population, advanced anthropomorphic test devices (ATDs) and computer human body models are being developed and require biofidelity curves for validation. The aim of this study is to generate female-specific 3D kinematic corridors in near- and far-side oblique frontal impacts for the head, spine, and pelvis...
December 5, 2018: Traffic Injury Prevention
https://www.readbyqxmd.com/read/30516929/simplified-method-using-kidney-ureter-bladder-x-ray-to-determine-the-appropriate-length-of-ureteral-stents
#11
Makoto Taguchi, Kenji Yoshida, Motohiko Sugi, Hidefumi Kinoshita, Tadashi Matsuda
PURPOSE: To investigate a method to determine the appropriate length of ureteral stents, given that the stent length may lead to exacerbation of urinary symptoms if the stent crosses the bladder midline. MATERIALS AND METHODS: We retrospectively reviewed the position of the distal curl of the ureteral stent using kidney/ureter/bladder (KUB) radiographs after ureteroscopic lithotripsy in 165 patients who underwent placement of 24- or 26-cm ureteral stents. According to the KUB findings, we categorized the position of the distal curl of the ureteral stent into two groups...
November 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/30516801/association-of-prevalence-of-benign-pathologic-findings-after-partial-nephrectomy-with-preoperative-imaging-patterns-in-the-united-states-from-2007-to-2014
#12
Jae Heon Kim, Shufeng Li, Yash Khandwala, Kyung Jin Chung, Hyung Keun Park, Benjamin I Chung
Importance: Although the intent of nephron-sparing surgery is to eradicate malignant tumors found on preoperative imaging, benign masses often cannot be differentiated from malignant tumors. However, in the past there have been discrepancies in the reported percentages of benign masses removed by partial nephrectomy (PNx). Objective: To investigate the annual trend of prevalence of benign pathologic findings after PNx and to investigate what potential factors are associated with this prevalence...
December 5, 2018: JAMA Surgery
https://www.readbyqxmd.com/read/30516664/small-primary-cutaneous-%C3%AE-%C3%AE-t-cell-lymphoma-lesions-successfully-treated-with-pralatrexate
#13
Osamu Imataki, Shumpei Uchida, Shigeyuki Yokokura, Makiko Uemura, Norimitsu Kadowaki
Here we report on the treatment of a 38-year-old woman with primary cutaneous γδT-cell lymphoma, which is a rare subset of cutaneous T-cell lymphoma. She presented with multiple subtle subcutaneous nodules, which were not clearly observed on computed tomography scans or after biopsy. However, F-fluorodeoxyglucose positron emission tomography (F-FDG-PET) accurately detected small cutaneous lesions. She achieved a second complete remission, as demonstrated by F-FDG-PET performed after pralatrexate infusion.
December 3, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/30516631/clinical-use-of-opportunistic-computed-tomography-screening-for-osteoporosis
#14
Paul A Anderson, David W Polly, Neil C Binkley, Perry J Pickhardt
No abstract text is available yet for this article.
December 5, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/30516560/functional-and-aesthetic-outcome-of-extensive-orbital-floor-and-medial-wall-fracture-via-navigation-and-endoscope-assisted-reconstruction
#15
Jia-Ruei Yang, Han-Tsung Liao
BACKGROUND AND PURPOSE: Extensive orbital floor and medial wall fractures compared with isolated orbital wall fractures are more likely to require surgical correction because of a higher possibility of complications like diplopia, enophthalmos, or numbness. The unique and complex contours of the orbital anatomy limit the intraoperative view of the intraorbital anatomy, and complex orbital fractures involving the buttress of the transition zone area all make orbital reconstruction surgery more challenging...
December 3, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/30516546/bronchiectasis-and-asthma-a-dangerous-liaison
#16
Claudia Crimi, Sebastian Ferri, Nunzio Crimi
PURPOSE OF REVIEW: To explore the latest insight of the literature on the asthma/bronchiectasis phenotype providing an updated overview about epidemiological, clinical and biological evidence linking these two conditions. RECENT FINDINGS: An increasing body of literature has shown that the association of asthma and bronchiectasis is a frequent phenomenon leading to a more severe disease with frequent exacerbations. The mechanisms by which the two diseases are linked are still not well established but they share several clinical and immunological features and many comorbidities...
December 3, 2018: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/30516487/-effectiveness-and-safety-of-methotrexate-monotherapy-in-patients-with-pulmonary-sarcoidosis
#17
V Gavrysyuk, E Merenkova, G Gumeniuk, M Gumeniuk, Y Dziublyk
Immunosuppressants are traditionally administered in sarcoidosis patients with contraindications for the use of glucocorticosteroids (GCS), or in those with serious adverse reactions on GCS, as well as in the cases of GCS-therapy resistance. Aim - to study the effectiveness and safety of methotrexate monotherapy in pulmonary sarcoidosis patients with either GCS contraindication or adverse reactions. We examined 33 patients with st. II pulmonary sarcoidosis, 20 men and 13 women, 23-67 years of age. In all cases a general physical examination; chest computed tomography and spirometry were performed...
October 2018: Georgian Medical News
https://www.readbyqxmd.com/read/30516474/-evaluation-of-three-dimensional-sonography-for-antral-follicle-count-in-cycling-dairy-cows
#18
A Schweizer, F Janett, H Bollwein
The objective of the present study was to investigate reliability of transrectal three-dimensional ultrasound (3D-S) for antral follicle count (AFC) in dairy cows. Furthermore individual differences of AFC between cows and the fluctuation of AFC within and between different cycles were evaluated. To test the reliability of 3D-S, AFC was determined on the ovaries of 10 cows in vivo and compared with counts obtained after slaughter using computer tomography. To evaluate cyclic follicle dynamics, six cows were repeatedly examined with 3D-S over a period of two cycles...
December 2018: Schweizer Archiv Für Tierheilkunde
https://www.readbyqxmd.com/read/30516418/time-and-pattern-of-the-fusion-of-the-spheno-occipital-synchondrosis-in-patients-with-skeletal-class-i-and-class-iii-malocclusion
#19
Jae-Hee Yang, Bong-Kuen Cha, Dong-Soon Choi, Jae Hyun Park, Insan Jang
OBJECTIVES: To investigate the time and pattern of fusion of the spheno-occipital synchondrosis in patients with skeletal Class I and Class III malocclusion using cone-beam computed tomography (CBCT). MATERIALS AND METHODS: A total of 262 CBCT images were collected: 140 skeletal Class I (0° < ANB < 4°; 71 males, 69 females) and 122 skeletal Class III (ANB ≤ 0°; 61 males and 61 females). The fusion stages were identified using CBCT images of a six-stage system defined by the appearance of osseous cores and ossifying vestige in the synchondrosis...
December 5, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/30516401/long-term-outcome-of-eus-based-strategy-for-suspected-choledocholithiasis-but-negative-ct-finding
#20
Jae Keun Park, Jong Kyun Lee, Ju Il Yang, Keol Lee, Joo Kyung Park, Kwang Hyuck Lee, Kyu Taek Lee
OBJECTIVES: The American Society for Gastrointestinal Endoscopy (ASGE) guidelines offered the risk-stratified approach in suspected choledocholithiasis. Previous studies have raised concern about the insufficient accuracy of the guideline, especially in high probability group. The purposes of this study were to authenticate the stratification and clinical predictors of the guidelines for suspected choledocholithiasis with no visible choledocholithiasis on computed tomography (CT) and to make clear the clinical strategy of endoscopic ultrasonography (EUS)...
December 5, 2018: Scandinavian Journal of Gastroenterology
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