Search Results - "Fletcher, J.G"

A New Frontier in Temporal Bone Imaging: Photon-Counting Detector CT Demonstrates Superior Visualization of Critical Anatomic Structures at Reduced Radiation Dose by Benson, J C, Rajendran, K, Lane, J I, Diehn, F E, Weber, N M, Thorne, J E, Larson, N B, Fletcher, J G, McCollough, C H, Leng, S

“…Photon-counting detector CT is a new technology with a limiting spatial resolution of ≤150 μm. In vivo comparisons between photon-counting detector CT and…”
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CT Metal Artifact Reduction in the Spine: Can an Iterative Reconstruction Technique Improve Visualization? by Kotsenas, A L, Michalak, G J, DeLone, D R, Diehn, F E, Grant, K, Halaweish, A F, Krauss, A, Raupach, R, Schmidt, B, McCollough, C H, Fletcher, J G

“…Metal-related artifacts from spine instrumentation can obscure relevant anatomy and pathology. We evaluated the ability of CT images reconstructed with and…”
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CT enterography: Principles, technique and utility in Crohn's disease by Huprich, James E, Fletcher, J.G

“…Abstract CT enterography is a modification of conventional CT technique optimized for the evaluation of small bowel. This technique utilizes multidetector…”
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Recent Advances in Assessing Anorectal Structure and Functions by Bharucha, Adil E, Fletcher, J.G

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Pilot study of radiation dose reduction for pediatric head CT in evaluation of ventricular size by Gabriel, S, Eckel, L J, DeLone, D R, Krecke, K N, Luetmer, P H, McCollough, C H, Fletcher, J G, Yu, L

“…CT is a ubiquitous, efficient, and cost-effective method to evaluate pediatric ventricular size, particularly in patients with CSF shunt diversion who often…”
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A comparison of endoscopic ultrasound, magnetic resonance imaging, and exam under anesthesia for evaluation of Crohn's perianal fistulas by Schwartz, David A., Wiersema, Maurits J., Dudiak, Kika M., Fletcher, J.G., Clain, Jonathan E., Tremaine, William J., Zinsmeister, Alan R., Norton, Ian D., Boardman, Lisa A., Devine, Richard M., Wolff, Bruce G., Young-Fadok, Tonia M., Diehl, Nancy N., Pemberton, John H., Sandborn, William J.

“…Background & Aims: To determine accuracy of endoscopic ultrasound (EUS) and magnetic resonance imaging (MRI) for evaluation of Crohn's disease perianal…”
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Magnetic Resonance Imaging of Anatomic and Dynamic Defects of the Pelvic Floor in Defecatory Disorders by Fletcher, J G, Busse, R F, Riederer, S J, Hough, D, Gluecker, T, Harper, C M, Bharucha, A E

“…Endoanal ultrasound identifies anal sphincter anatomy, and evacuation proctography visualizes pelvic floor motion during simulated defecation. These…”
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Mesenchymal Stem/Stromal Cells: DURABLE RESPONSE SEEN IN PATIENTS WITH REFRACTORY FISTULIZING PERIANAL CROHN’S DISEASE USING AUTOLOGOUS MESENCHYMAL STEM CELLS ON A DISSOLVABLE MATRIX: RESULTS FROM THE PHASE I STEM CELL ON MATRIX PLUG (STOMP) TRIAL by Dozois, E., Lightner, A.L., Fletcher, J.G., Lee, Y., Friton, J., Faubion, W., Dietz, A.

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Histopathology Scoring Systems of Stenosis Associated With Small Bowel Crohn’s Disease: A Systematic Review by Gordon, Ilyssa O., Bettenworth, Dominik, Bokemeyer, Arne, Srivastava, Amitabh, Rosty, Christophe, de Hertogh, Gert, Robert, Marie E., Valasek, Mark A., Mao, Ren, Kurada, Satya, Harpaz, Noam, Borralho, Paula, Pai, Reetesh K., Pai, Rish K., Odze, Robert, Feakins, Roger, Parker, Claire E., Nguyen, Tran, Jairath, Vipul, Baker, Mark E., Bruining, David H., Fletcher, J.G., Feagan, Brian G., Rieder, Florian

“…Stenosis is a common complication of Crohn’s disease (CD) that has no effective medical therapy. Development of antifibrotic agents will require testing in…”
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CT colonography (virtual colonoscopy) for the detection of colorectal polyps and neoplasms by Gluecker, T.M, Fletcher, J.G

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Obstetric Trauma, Pelvic Floor Injury and Fecal Incontinence: A Population-Based Case―Control Study by BHARUCHA, Adil E, FLETCHER, J. G, JOSEPH MELTON, L, ZINSMEISTER, Alan R

“…Current concepts based on referral center data suggest that pelvic floor injury from obstetric trauma is a major risk factor for fecal incontinence (FI) in…”
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Computed Tomography Colonography vs Colonoscopy for Colorectal Cancer Surveillance After Surgery by Weinberg, David S., Pickhardt, Perry J., Bruining, David H., Edwards, Kristin, Fletcher, Joel G., Gollub, Marc J., Keenan, Eileen M., Kupfer, Sonia S., Li, Tianyu, Lubner, Sam J., Markowitz, Arnold J., Ross, Eric A.

“…Recommendations for surveillance after curative surgery for colorectal cancer (CRC) include a 1-year post-resection abdominal-pelvic computed tomography (CT)…”
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Low-Dose CT for Craniosynostosis: Preserving Diagnostic Benefit with Substantial Radiation Dose Reduction by Montoya, J C, Eckel, L J, DeLone, D R, Kotsenas, A L, Diehn, F E, Yu, L, Bartley, A C, Carter, R E, McCollough, C H, Fletcher, J G

“…Given the positive impact of early intervention for craniosynostosis, CT is often performed for evaluation but radiation dosage remains a concern. We evaluated…”
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Evaluation of Lower-Dose Spiral Head CT for Detection of Intracranial Findings Causing Neurologic Deficits by Fletcher, J G, DeLone, D R, Kotsenas, A L, Campeau, N G, Lehman, V T, Yu, L, Leng, S, Holmes, 3rd, D R, Edwards, P K, Johnson, M P, Michalak, G J, Carter, R E, McCollough, C H

“…Despite the frequent use of unenhanced head CT for the detection of acute neurologic deficit, the radiation dose for this exam varies widely. Our aim was to…”
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Comparative study of two image space noise reduction methods for computed tomography: Bilateral filter and nonlocal means by Giraldo, J.C.R., Kelm, Z.S., Guimaraes, L.S., Lifeng Yu, Fletcher, J.G., Erickson, B.J., McCollough, C.H.

“…Optimal noise control is important for improving image quality and reducing radiation dose in computed tomography. Here we investigated two image space based…”
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Magnetic resonance imaging of anatomic and dynamic defects of the pelvic floor in defecatory disorders by Fletcher, J.G, Busse, R.F, Riederer, S.J, Hough, D, Gluecker, T, Harper, C.M, Bharucha, A.E

“…Endoanal ultrasound identifies anal sphincter anatomy, and evacuation proctography visualizes pelvic floor motion during simulated defecation. These…”
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Sensitivity of CT Colonography for the Detection of Non-polypoid Adenomas Using Restricted Criteria in the National CT Colonography Trial by Fidler, Jeff L., Zhang, Zheng, Herman, Benjamin A., Limburg, Paul J., Fletcher, J.G., Dachman, Abraham, Heiken, Jay P., Kuo, Mark D., Menias, Christine O., Siewert, Bettina, Cheema, Jugesh I., Obregon, Richard G., Zimmerman, Peter, Horton, Karen M., Coakley, Kevin, Iyer, Revathy B., Hara, Amy, Halvorsen, Robert A., Casola, Giovanna, Yee, Judy, Burgart, Lawrence J., Johnson, C. Daniel

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Semi-automated vectorial analysis of anorectal motion by magnetic resonance defecography in healthy subjects and fecal incontinence by Noelting, J., Bharucha, A. E., Lake, D. S., Manduca, A., Fletcher, J. G., Riederer, S. J., Joseph Melton III, L., Zinsmeister, A. R.

“…Background  Inter‐observer variability limits the reproducibility of pelvic floor motion measured by magnetic resonance imaging (MRI). Our aim was to develop a…”
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Making sense of CT colonography–related complication rates by Limburg, P.J., Fletcher, J.G.

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Dysfunctional urinary voiding in women with functional defecatory disorders by Klingele, C. J., Lightner, D. J., Fletcher, J. G., Gebhart, J. B., Bharucha, A. E.

“…Background  While pelvic floor dysfunction may manifest with bladder or bowel symptoms, the relationship between functional defecatory disorders and…”
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