Affiliation: Harvard University
- Diagnostic accuracy of laxative-free computed tomographic colonography for detection of adenomatous polyps in asymptomatic adults: a prospective evaluationMichael E Zalis
Department of Imaging, Massachusetts General Hospital, Suite 400A, 25 New Chardon Street, Boston, MA 02114, USA
Ann Intern Med 156:692-702. 2012..Colon screening by optical colonoscopy (OC) or computed tomographic colonography (CTC) requires a laxative bowel preparation, which inhibits screening participation...
- Advanced search of the electronic medical record: augmenting safety and efficiency in radiologyMichael Zalis
Department of Radiology, Massachusetts General Hospital, Boston, MA 02114, USA
J Am Coll Radiol 7:625-33. 2010..We discuss how the addition of advanced search capabilities to the EMR can improve the radiologist's ability to integrate contextual data into workflows associated with both for diagnostic and interventional procedures...
- Tagging-based, electronically cleansed CT colonography: evaluation of patient comfort and image readabilityMichael E Zalis
Division of Abdominal Imaging and Interventional Radiology, Department of Radiology, Massachusetts General Hospital, White 270, 55 Fruit Street, Boston, MA 02114, USA
Radiology 239:149-59. 2006..To prospectively compare the homogeneity, adequacy, and patient acceptance of nonionic iodine-based regimens with those of a barium-based regimen for computed tomographic (CT) colonography with electronic subtraction cleansing...
- Comparative evaluation of the fecal-tagging quality in CT colonography: barium vs. iodinated oral contrast agentKoichi Nagata
3D Imaging Laboratory, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon Street, Suite 400C, Boston, MA 02114, USA
Acad Radiol 16:1393-9. 2009..The purpose of this evaluation was to compare the tagging quality of a barium-based regimen with that of iodine-based regimens for computed tomographic (CT) colonography...
- Digital subtraction bowel cleansing for CT colonography using morphological and linear filtration methodsMichael E Zalis
Department of Radiology, Massachusetts General Hospital, 55 Fruit St Boston, MA 02114, USA
IEEE Trans Med Imaging 23:1335-43. 2004....
- Low-dose CT colonography in children: initial experience, technical feasibility, and utilitySudha Anupindi
Department of Radiology, Massachusetts General Hospital, 55 Fruit St, White 246, Boston, MA 02115, USA
Pediatr Radiol 35:518-24. 2005..Large studies in the literature, although focused on adult populations, have shown CTC to be a safe, accurate, non-invasive technique...
- Polyp size at CT colonography after electronic subtraction cleansing in an anthropomorphic colon phantomMichael E Zalis
Division of Abdominal Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, 55 Fruit St, White 270, Boston, MA 02114, USA
Radiology 236:118-24. 2005..To evaluate the effect of various bowel contrast material concentrations and subtraction software on size measurements of well-defined polyp lesions in a colon phantom at CT colonography...
- CT colonography: digital subtraction bowel cleansing with mucosal reconstruction initial observationsMichael E Zalis
Department of Radiology, Division of Abdominal Imaging and Intervention, Massachusetts General Hospital, 55 Fruit St, White 270, Boston, MA 02114, USA
Radiology 226:911-7. 2003..Their performance for detection of lesions larger than 1 cm was similar to that with conventional CT colonography...
- Informatics in radiology: Electronic cleansing for noncathartic CT colonography: a structure-analysis schemeWenli Cai
Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St, 400C, Boston, MA 02114, USA
Radiographics 30:585-602. 2010..Noncathartic CT colonography with the application of structure-analysis cleansing is expected to help promote CT colonography as a patient-friendly method of colorectal cancer screening...
- Structure-analysis method for electronic cleansing in cathartic and noncathartic CT colonographyWenli Cai
Department of Radiology, Massachusetts General Hospital Harvard Medical School, Boston, Massachusetts 02114, USA
Med Phys 35:3259-77. 2008..It provides a cleansed colon with substantially reduced subtraction artifacts...
- Importance and effects of altered workplace ergonomics in modern radiology suitesMukesh G Harisinghani
Department of Radiology, Division of Abdominal Imaging and Intervention, Massachusetts General Hospital, 55 Fruit St, White 289, Boston, MA 02114, USA
Radiographics 24:615-27. 2004..Optimization of workplace ergonomics should be considered in the basic design of any modern radiology suite...
- Initial observations of electronic medical record usage during CT and MRI interpretation: Frequency of use and impact on workflowAbraham Lin
Department of Radiology, Massachusetts General Hospital, Boston, 02114, USA
AJR Am J Roentgenol 195:188-93. 2010..We assessed the gross frequency and pattern of EMR usage in the interpretation of diagnostic CT and MRI examinations...
- Debate: diminutive polyps noted at CT colonography need not be reportedDipti K Lenhart
Division of Abdominal Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, 55 Fruit Street, White 270, Boston, MA 02114, USA
Gastrointest Endosc Clin N Am 20:227-37. 2010..Respect for patient safety, attention to proper use of resources, and appropriate focus on larger, clinically significant polyps lead the authors to the conclusion that colonic polyps of less than 6 mm should not be separately reported...
- CT colonography: influence of 3D viewing and polyp candidate features on interpretation with computer-aided detectionRong Shi
Department of Radiology, Stanford University Medical Center, James H Clark Center, 318 Campus Dr, Room S324, Stanford, CA 94305 5450, and Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
Radiology 239:768-76. 2006....
- Computerized tomographic colonography: performance evaluation in a retrospective multicenter settingC Daniel Johnson
Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastroenterology 125:688-95. 2003..The aim of this study was to assess the accuracy of computerized tomographic colonography for detecting clinically important colorectal neoplasia (polyps >or=10 mm in diameter) in a multi-institutional study...
- An analysis of the potential impact of computed tomographic colonography (virtual colonoscopy) on colonoscopy demandChin Hur
Gastrointestinal Unit, Harvard Medicasl School, Boston, MA, USA
Gastroenterology 127:1312-21. 2004..However, no formal analysis of the impact of CTC on colonoscopy demand has been reported...
- CT colonography: current and future applicationsJanet C Miller
Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
J Am Coll Radiol 4:927-30. 2007
- CT colonography: progress toward colorectal evaluation without catharsisElizabeth G McFarland
Gastroenterology 127:1623-6. 2004
- Quality and consistency in CT colonography and research reportingAbraham H Dachman
Radiology 230:319-23. 2004
- CT colonography reporting and data system: a consensus proposalMichael E Zalis
Radiology 236:3-9. 2005
- Colon Cancer Screening Augmented by Image ProcessingMichael Zalis; Fiscal Year: 2006..The proposed research will serve as basis for the design of a larger, screening-cohort evaluation of CTC using these image-processing techniques. ..