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Presurgical evaluation

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https://www.readbyqxmd.com/read/29765439/radiographic-features-of-anatomic-relationship-between-impacted-third-molar-and-inferior-alveolar-canal-on-coronal-cbct-images-risk-factors-for-nerve-injury-after-tooth-extraction
#1
Dongmiao Wang, Tangyi Lin, Yanling Wang, Chao Sun, Lianfeng Yang, Hongbing Jiang, Jie Cheng
Introduction: The present study was aimed to identify the radiographic signs between impacted third molar root and inferior alveolar canal (IAC) on cone-beam CT (CBCT) images as risk factors and prognostic predictors associated with inferior alveolar nerve (IAN) damage following tooth removal. Material and methods: A retrospective clinical study was performed involving 136 patients with 257 impacted lower third molars from January 2013 to December 2014. The neurosensory function of the lower lip and chin was subjectively evaluated and assessed by neurosensory tests before and after surgery...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29762450/three-dimensional-analysis-of-mandibular-angle-classification-and-aesthetic-evaluation-of-the-lower-face-in-chinese-female-adults
#2
Xiaoyan Mao, Xi Fu, Feng Niu, Ying Chen, Qi Jin, Jia Qiao, Lai Gui
BACKGROUND: Reduction gonioplasty is very popular in East Asia. However, there has been little quantitative criteria for mandibular angle classification or aesthetics. The aim of this study was to investigate the quantitative differences of mandibular angle types and determine the morphologic features of mandibular angle in attractive women. METHODS: We created a database of skull computed tomography and standardized frontal and lateral photographs of 96 Chinese female adults...
May 14, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29755843/fdg-pet-ct-suvmax-and-iaslc-ats-ers-histologic-classification-a-new-profile-of-lung-adenocarcinoma-with-prognostic-value
#3
Marina Suárez-Piñera, José Belda-Sanchis, Alvaro Taus, Albert Sánchez-Font, Antoni Mestre-Fusco, Marcel Jiménez, Lara Pijuan
Quantitative analysis of glucose consumption measured by maximum standardized uptake value (SUVmax) in lung adenocarcinoma (LA) remains in discussion and metabolic information provided by FDG-PET is not included in cancer staging. The first aim of this work was to evaluate the correlation between SUVmax and different histologic subtypes of LA. The second aim was to establish the correlation between SUVmax and TNM, genetic mutations and prognostic. Glucose consumption of primary tumor was quantified using SUVmax in 112 patients with histologically-confirmed LA...
2018: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29754843/revision-of-failed-hemiarthroplasty-for-painful-glenoid-arthrosis-to-anatomic-total-shoulder-arthroplasty
#4
Mihir M Sheth, Daniel Sholder, Joseph Abboud, Mark D Lazarus, Matthew L Ramsey, Gerald R Williams, Surena Namdari
BACKGROUND: The impending burden of revision shoulder arthroplasty has increased interest in outcomes of revision procedures. Painful glenoid arthrosis following hemiarthroplasty is a common cause of reoperation, and conversion to anatomic total shoulder arthroplasty is one option. METHODS: We identified patients who underwent revision of painful hemiarthroplasty to total shoulder arthroplasty over a 15-year period in a single tertiary-care health system. Presurgical and operative data were analyzed for 28 patients who met the inclusion and exclusion criteria...
May 10, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29753683/evaluating-resective-surgery-targets-in-epilepsy-patients-a-comparison-of-quantitative-eeg-methods
#5
Michael Müller, Kaspar Schindler, Marc Goodfellow, Claudio Pollo, Christian Rummel, Andreas Steimer
BACKGROUND: Quantitative analysis of intracranial EEG is a promising tool to assist clinicians in the planning of resective brain surgery in patients suffering from pharmacoresistant epilepsies. Quantifying the accuracy of such tools, however, is nontrivial as a ground truth to verify predictions about hypothetical resections is missing. NEW METHOD: As one possibility to address this, we use customized hypotheses tests to examine the agreement of the methods on a common set of patients...
May 10, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29751364/ictal-and-interictal-electric-source-imaging-in-presurgical-evaluation-a-prospective-study
#6
Praveen Sharma, Michael Scherg, Lars H Pinborg, Martin Fabricius, Guido Rubboli, Birthe Pedersen, Anne-Mette Leffers, Peter Uldall, Bo Jespersen, Jannick Brennum, Otto Mølby Henriksen, Sándor Beniczky
BACKGROUND: Accurate localization of the epileptic focus is essential for surgical treatment of patients with drug- resistant epilepsy. EEG source imaging (ESI) is increasingly used in presurgical evaluation. However, most previous studies analysed interictal discharges. Prospective studies comparing feasibility and accuracy of interictal (II) and ictal (IC) ESI are lacking. METHODS: We prospectively analysed long-term video EEG recordings (LTM) of patients admitted for presurgical evaluation...
May 11, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29746544/free-water-modeling-of-peritumoral-edema-using-multi-fiber-tractography-application-to-tracking-the-arcuate-fasciculus-for-neurosurgical-planning
#7
Shun Gong, Fan Zhang, Isaiah Norton, Walid I Essayed, Prashin Unadkat, Laura Rigolo, Ofer Pasternak, Yogesh Rathi, Lijun Hou, Alexandra J Golby, Lauren J O'Donnell
PURPOSE: Peritumoral edema impedes the full delineation of fiber tracts due to partial volume effects in image voxels that contain a mixture of cerebral parenchyma and extracellular water. The purpose of this study is to investigate the effect of incorporating a free water (FW) model of edema for white matter tractography in the presence of edema. MATERIALS AND METHODS: We retrospectively evaluated 26 consecutive brain tumor patients with diffusion MRI and T2-weighted images acquired presurgically...
2018: PloS One
https://www.readbyqxmd.com/read/29742604/right-ureteral-carcinoma-suggested-by-99mtc-dtpa-renography-in-a-patient-with-left-pyelocaliceal-carcinoma
#8
Wei Wang, Leilei Yuan, Ying Kan, Jie Liu, Jigang Yang
Abdominal enhanced CT of a 72-year-old woman demonstrated 1 enhancing lesion in the left kidney, which suggested malignancy. No significant findings were reported in the right kidney and ureter. A Tc-DTPA renography was performed as part of the presurgical evaluation. However, the dynamics of urine elimination by the left kidney was normal, whereas elimination of the urine on the right one delayed, which was unexpected. The patient's CT images were further analyzed. An enhancing lesion in the right ureter was noted by further review, suggesting malignancy, which was subsequently pathologically proven as low-grade papillary urothelial carcinoma...
May 7, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29736849/diagnostic-accuracy-of-3t-magnetic-resonance-imaging-in-the-preoperative-localisation-of-parathyroid-adenomas-comparison-with-ultrasound-and-99mtc-sestamibi-scans
#9
Renato Argirò, Daniele Diacinti, Beatrice Sacconi, Angelo Iannarelli, Davide Diacinti, Cristiana Cipriani, Daniela Pisani, Elisabetta Romagnoli, Marco Biffoni, Cira Di Gioia, Jessica Pepe, Mario Bezzi, Claudio Letizia, Salvatore Minisola, Carlo Catalano
OBJECTIVES: To evaluate the diagnostic performance of 3TMRI in comparison with ultrasound (US) and 99mTc-sestamibi scan for presurgical localisation of parathyroid adenomas (PTAs) in patients with primary hyperparathyroidism (PHPT). METHODS: Fifty-seven patients affected by PHPT were prospectively enrolled and underwent US, 99mTc-sestamibi and 3TMRI. T2-weighted and post-contrast T1-weighted Iterative decomposition of water and fat with Echo Asymmetry and Least squares estimation (IDEAL) sequences were acquired...
May 7, 2018: European Radiology
https://www.readbyqxmd.com/read/29730212/arthroscopic-incomplete-repair-using-a-hybrid-technique-for-large-to-massive-rotator-cuff-tears-clinical-results-and-structural-integrity
#10
Jeung Yeol Jeong, Young Cheol Yoon, Sang Min Lee, Jae Chul Yoo
PURPOSE: The first aim of this study was to introduce the concept of hybrid repair (incomplete repair) for large to massive rotator cuff tears and to report clinical results and structural integrity of patients with a minimum 2-year follow-up. The second aim was to compare arthroscopic hybrid repair with partial repair for large to massive rotator cuff tears. METHODS: We retrospectively evaluated 65 patients who underwent arthroscopic incomplete (hybrid) repair (45 patients) or partial repair (20 patients) for large to massive cuff tears from March 2011 to January 2015...
May 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29702407/generalized-seizures-presurgically-in-a-cohort-of-children-with-hemispherectomy-predictors-and-a-potential-link-to-surgical-outcome
#11
Ming Liu, Taoyun Ji, Qingzhu Liu, Shuang Wang, Ye Wu, Wen Wang, Weike Cheng, Ruofan Wang, Guojing Yu, Xiaoyan Liu, Lixin Cai, Yuwu Jiang
PURPOSE: Generalized seizures were often thought to be contraindications for hemispherectomy. However, few studies had investigated this issue comprehensively, as well as the predictors for generalized seizures in hemispheric lesion. We studied the predictors of generalized seizures and their potential link to seizure outcomes in a cohort of children who underwent hemispherectomy. METHODS: A cohort of 76 children with hemispherectomy were reviewed and dichotomized into two groups with and without generalized seizures confirmed by vEEG presurgically...
March 29, 2018: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29702016/static-and-functional-mr-urography-to-assess-congenital-anomalies-of-the-kidney-and-urinary-tract-in-infants-and-children-comparison-with-mag3-renal-scintigraphy-and-sonography
#12
Jessica Rodigas, Hanne Kirsch, Ulrike John, Philipp Seifert, Thomas Winkens, Martin Stenzel, Hans-Joachim Mentzel
OBJECTIVE: The purpose of this study is to compare functional MR urography (MRU) with the results of ultrasound and radionuclide 99m Tc-mercaptoacetyltriglycine (MAG3) scintigraphy in evaluating morphologic findings, split renal function, and urinary tract obstruction in pediatric patients. MATERIALS AND METHODS: Pediatric patients with proven congenital anomalies of the kidney and urinary tract were included (n = 112). The morphologic findings of MRU were compared with previous diagnostic ultrasound findings...
April 27, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29692810/predictive-factors-of-secondary-normocalcemic-hyperparathyroidism-after-roux-en-y-gastric-bypass
#13
Claudio Casella, Sarah Molfino, Francesco Mittempergher, Carlo Cappelli, Nazario Portolani
Objective: Aim of this study is to evaluate determinants of secondary normocalcemic hyperparathyroidism (SNHPT) persistence in patients who have undergone Roux-en-Y gastric bypass on vertical-banded gastroplasty. Methods: 226 consecutive patients submitted to bariatric surgery were prospectively enrolled and divided in two groups on the basis of preoperative presence of SNHPT. For each patient, we evaluated anthropometric and laboratory parameters. Calcium metabolism (calcemia, PTH, and 25-hydroxy vitamin D serum levels) was studied before surgery and at 6-month intervals (6, 12, and 18 months) as surgical follow-up...
2018: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29685838/shear-wave-elastography-can-predict-passive-stiffness-of-supraspinatus-musculotendinous-unit-during-arthroscopic-rotator-cuff-repair-for-presurgical-planning
#14
Yoshiaki Itoigawa, Yuichiro Maruyama, Takayuki Kawasaki, Tomoki Wada, Keiichi Yoshida, Kai-Nan An, Kazuo Kaneko
PURPOSE: To determine the feasibility of shear wave elastography (SWE) with B-mode ultrasound in predicting the stiffness of the rotator cuff muscle before arthroscopic rotator cuff repair to evaluate the difficulty of the surgical procedure, as well as to compare SWE with the Goutallier stage on magnetic resonance imaging (MRI). METHODS: Thirty-eight patients with a full-thickness supraspinatus tear requiring arthroscopic rotator cuff repair participated. The Goutallier stage of fatty infiltration on MRI was measured before surgery, as was the SWE modulus of the anterior superficial, anterior deep, posterior superficial, and posterior deep (PD) regions of the supraspinatus muscle...
April 20, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29685607/magnetoencephalographic-spike-analysis-in-patients-with-focal-cortical-dysplasia-what-defines-a-dipole-cluster
#15
Naoaki Tanaka, Christos Papadelis, Eleonora Tamilia, Michel AlHilani, Joseph R Madsen, Phillip L Pearl, Steven M Stufflebeam
BACKGROUND: The purpose of this study is to clarify the source distribution patterns of magnetoencephalographic spikes correlated with postsurgical seizure-free outcome in pediatric patients with focal cortical dysplasia. PATIENTS AND METHODS: Thirty-two patients with pathologically confirmed focal cortical dysplasia were divided into seizure-free and seizure-persistent groups according to their surgical outcomes based on Engel classification. In each patient, presurgical magnetoencephalography was reviewed...
March 15, 2018: Pediatric Neurology
https://www.readbyqxmd.com/read/29680989/challenging-pre-surgical-localization-of-hyperfunctioning-parathyroid-glands-in-primary-hyperparathyroidism-the-added-value-of-18-f-fluorocholine-pet-ct
#16
Serena Grimaldi, Jacques Young, Peter Kamenicky, Dana Hartl, Marie Terroir, Sophie Leboulleux, Amandine Berdelou, Julien Hadoux, Segolene Hescot, Hervé Remy, Eric Baudin, Martin Schlumberger, Désirée Deandreis
PURPOSE: To evaluate the added value of 18 F-Fluorocholine (18 F-FCH) PET/CT in presurgical imaging of patients with primary hyperparathyroidism (HPT) and challenging localization of the hyper-functioning parathyroid glands. METHODS: We included 27 consecutive patients with primary HPT (19 F; median age: 58 years), with either (i) non-conclusive pre-surgical localization with 99 mTc-sestaMIBI scintigraphy and neck ultrasonography (US), (ii) recurrence of previously operated HPT, or (iii) familiar HPT with a suspicion of multiple gland disease...
April 22, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29680731/automatic-ictal-onset-source-localization-in-presurgical-epilepsy-evaluation
#17
Johannes Koren, Gerhard Gritsch, Susanne Pirker, Johannes Herta, Hannes Perko, Tilmann Kluge, Christoph Baumgartner
OBJECTIVE: To test the diagnostic accuracy of a new automatic algorithm for ictal onset source localization (IOSL) during routine presurgical epilepsy evaluation following STARD (Standards for Reporting of Diagnostic Accuracy) criteria. METHODS: We included 28 consecutive patients with refractory focal epilepsy (25 patients with temporal lobe epilepsy (TLE) and 3 with extratemporal epilepsy) who underwent resective epilepsy surgery. Ictal EEG patterns were analyzed with a novel automatic IOSL algorithm...
June 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29675474/brain-tumor-characterization-using-multibiometric-evaluation-of-mri
#18
Faris Durmo, Jimmy Lätt, Anna Rydelius, Silke Engelholm, Sara Kinhult, Krister Askaner, Elisabet Englund, Johan Bengzon, Markus Nilsson, Isabella M Björkman-Burtscher, Thomas Chenevert, Linda Knutsson, Pia C Sundgren
The aim was to evaluate volume, diffusion, and perfusion metrics for better presurgical differentiation between high-grade gliomas (HGG), low-grade gliomas (LGG), and metastases (MET). For this retrospective study, 43 patients with histologically verified intracranial HGG (n = 18), LGG (n = 10), and MET (n = 15) were chosen. Preoperative magnetic resonance data included pre- and post-gadolinium contrast-enhanced T1-weighted fluid-attenuated inversion recover, cerebral blood flow (CBF), cerebral blood volume (CBV), fractional anisotropy, and apparent diffusion coefficient maps used for quantification of magnetic resonance biometrics by manual delineation of regions of interest...
March 2018: Tomography: a Journal for Imaging Research
https://www.readbyqxmd.com/read/29670375/role-of-presurgical-targeted-molecular-therapy-in-renal-cell-carcinoma-with-an-inferior-vena-cava-tumor-thrombus
#19
Cheng Peng, Liangyou Gu, Lei Wang, Qingbo Huang, Baojun Wang, Gang Guo, Yang Fan, Yu Gao, Xin Ma, Xu Zhang
Purpose: The clinical benefit of targeted molecular therapy (TMT) in renal cell carcinoma (RCC) with an inferior vena cava (IVC) tumor thrombus remains controversial. The aim of this study was to investigate the effects of presurgical TMT on the heights and levels of IVC thrombi, and to assess its impact on surgical strategy. Patients and methods: We retrospectively reviewed data from 18 patients with RCC involving IVC tumor thrombi who were treated at our hospital with presurgical TMT followed by an IVC thrombectomy...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29667429/quadriceps-function-knee-pain-and-self-reported-outcomes-in-patients-with-anterior-cruciate-ligament-reconstruction
#20
Adam S Lepley, Brian Pietrosimone, Marc L Cormier
CONTEXT:   Interactions among muscle strength, pain, and self-reported outcomes in patients with anterior cruciate ligament reconstruction (ACLR) are not well understood. Clarifying these interactions is of clinical importance because improving physical and psychological function is thought to optimize outcomes after ACLR. OBJECTIVE:   To examine the relationships among neuromuscular quadriceps function, pain, self-reported knee function, readiness to return to activity, and emotional response to injury both before and after ACLR...
April 2018: Journal of Athletic Training
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