Walter Huda

Summary

Affiliation: SUNY Upstate Medical University
Country: USA

Publications

  1. ncbi How do lesion size and random noise affect detection performance in digital mammography?
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
    Acad Radiol 13:1355-66. 2006
  2. ncbi Radiation doses and risks in chest computed tomography examinations
    Walter Huda
    Department of Radiology, State University of New York Upstate Medical University, Syracuse, New York, USA
    Proc Am Thorac Soc 4:316-20. 2007
  3. ncbi Patient radiation doses from adult and pediatric CT
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, 750 E Adams St, Syracuse, NY 13210 2306, USA
    AJR Am J Roentgenol 188:540-6. 2007
  4. ncbi When a pregnant patient has a suspected pulmonary embolism, what are the typical embryo doses from a chest CT and a ventilation/perfusion study?
    Walter Huda
    Radiology, SUNY Upstate Medical University, 750 E Adams Street, Syracuse, NY 13210, USA
    Pediatr Radiol 35:452-3. 2005
  5. ncbi Patient size and x-ray technique factors in head computed tomography examinations. II. Image quality
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, Syracuse, New York 13210, USA
    Med Phys 31:595-601. 2004
  6. ncbi Patient size and x-ray technique factors in head computed tomography examinations. I. Radiation doses
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, Syracuse, New York 13210, USA
    Med Phys 31:588-94. 2004
  7. ncbi Dose and image quality. How does the choice of kilovoltage affect patient dose, scattered radiation, and image quality in CT examinations? Submitted by Glen Thomson, Middlemore Hospital, New Zealand
    Walter Huda
    Radiology, SUNY Upstate Medical University, 750 E Adams Street, Syracuse, NY 13240, USA
    Pediatr Radiol 34:185. 2004
  8. ncbi Experimental investigation of the dose and image quality characteristics of a digital mammography imaging system
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, 750 E Adams Street, Syracuse, New York 13210, USA
    Med Phys 30:442-8. 2003
  9. ncbi How good is the ACR accreditation phantom for assessing image quality in digital mammography?
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
    Acad Radiol 9:764-72. 2002
  10. ncbi Patient size and x-ray transmission in body CT
    Kent Ogden
    SUNY Upstate Medical University, Department of Radiology, 750 E Adams Street, Syracuse, NY 13210, USA
    Health Phys 86:397-405. 2004

Research Grants

  1. Dose and image quality in adult and pediatric CT
    Walter Huda; Fiscal Year: 2006

Detail Information

Publications36

  1. ncbi How do lesion size and random noise affect detection performance in digital mammography?
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
    Acad Radiol 13:1355-66. 2006
    ..We investigated the effect of random noise and lesion size on detection performance in mammography...
  2. ncbi Radiation doses and risks in chest computed tomography examinations
    Walter Huda
    Department of Radiology, State University of New York Upstate Medical University, Syracuse, New York, USA
    Proc Am Thorac Soc 4:316-20. 2007
    ..5 cancers per 10,000 individuals, with half of these being fatal. It is concluded that patients undergoing chest CT examinations should have a benefit that exceeds the (small) radiation risk...
  3. ncbi Patient radiation doses from adult and pediatric CT
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, 750 E Adams St, Syracuse, NY 13210 2306, USA
    AJR Am J Roentgenol 188:540-6. 2007
    ..The purpose of our study was to determine typical organ doses, and the corresponding effective doses, to adult and pediatric patients undergoing a single CT examination...
  4. ncbi When a pregnant patient has a suspected pulmonary embolism, what are the typical embryo doses from a chest CT and a ventilation/perfusion study?
    Walter Huda
    Radiology, SUNY Upstate Medical University, 750 E Adams Street, Syracuse, NY 13210, USA
    Pediatr Radiol 35:452-3. 2005
  5. ncbi Patient size and x-ray technique factors in head computed tomography examinations. II. Image quality
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, Syracuse, New York 13210, USA
    Med Phys 31:595-601. 2004
    ..Our two key findings are that for head CT examinations performed at a constant CNR, the mAs can be substantially reduced when scanning infants, and that use of the lowest x-ray tube voltage will generally reduce patient doses...
  6. ncbi Patient size and x-ray technique factors in head computed tomography examinations. I. Radiation doses
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, Syracuse, New York 13210, USA
    Med Phys 31:588-94. 2004
    ..CT doses need to take into account patient age, head size, and composition as well as the selected x-ray technique factors...
  7. ncbi Dose and image quality. How does the choice of kilovoltage affect patient dose, scattered radiation, and image quality in CT examinations? Submitted by Glen Thomson, Middlemore Hospital, New Zealand
    Walter Huda
    Radiology, SUNY Upstate Medical University, 750 E Adams Street, Syracuse, NY 13240, USA
    Pediatr Radiol 34:185. 2004
  8. ncbi Experimental investigation of the dose and image quality characteristics of a digital mammography imaging system
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, 750 E Adams Street, Syracuse, New York 13210, USA
    Med Phys 30:442-8. 2003
    ..These results show that imaging simulated masses in a 4.2 cm compressed breast at approximately 27 kVp with a Mo/Mo target/filter results in the lowest average glandular dose...
  9. ncbi How good is the ACR accreditation phantom for assessing image quality in digital mammography?
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
    Acad Radiol 9:764-72. 2002
    ..The purpose of this study was to evaluate the American College of Radiology (ACR) accreditation phantom for assessing image quality in digital mammography...
  10. ncbi Patient size and x-ray transmission in body CT
    Kent Ogden
    SUNY Upstate Medical University, Department of Radiology, 750 E Adams Street, Syracuse, NY 13210, USA
    Health Phys 86:397-405. 2004
    ..The x-ray transmission data and effective photon energy data can be used to determine CT image noise and image contrast, respectively, and information on patient size and composition can be used to determine patient doses...
  11. ncbi Overview of patient dosimetry in diagnostic radiology in the USA for the past 50 years
    Walter Huda
    Department of Radiology, Medical University of South Carolina, Charleston, South Carolina 29425 3230, USA
    Med Phys 35:5713-28. 2008
    ..An overview is provided of doses received by pediatric patients undergoing CT examinations, as well as methods, and results, of studies performed to assess the radiation absorbed by the conceptus of pregnant patients...
  12. ncbi Effect of radiographic techniques (kVp and mAs) on image quality and patient doses in digital subtraction angiography
    Nikolaos A Gkanatsios
    Department of Radiology, University of Florida, Gainesville 32610, USA
    Med Phys 29:1643-50. 2002
    ..6 at 3.9 microGy per frame. For clinical situations that can be modeled by a uniform phantom, reducing the x-ray tube voltage rather than increasing the exposure level would best achieve improvements on our DSA imaging system performance...
  13. ncbi Comparison of head and body organ doses in CT
    Walter Huda
    Department of Radiology, Medical University of South Carolina, PO Box 250322, 169 Ashley Avenue, Charleston, SC 29425, USA
    Phys Med Biol 53:N9-N14. 2008
    ..Two CT dosimetry phantom sizes are therefore not required, and our findings support the need to reassess the role, if any, of current cylindrical acrylic dosimetry phantoms...
  14. ncbi X-ray beam filtration, dosimetry phantom size and CT patient dose conversion factors
    Walter Huda
    Department of Radiology, Medical University of South Carolina, 96 Jonathan Lucas Street, MSC 323, Charleston, SC 29425 3230, USA
    Phys Med Biol 55:551-61. 2010
    ..Our results show that average D/CTDI conversion factors for a body phantom/filter combination are typically double those appropriate for a head phantom/filter combination...
  15. ncbi Performance of a single lookup table (LUT) for displaying chest CT images
    Ajo John
    Department of Radiology, SUNY Upstate Medical University, 750 E. Adams Street, Syracuse, NY 13210, USA
    Acad Radiol 11:609-16. 2004
    ..CONCLUSION: Use of a bilinear LUT has the potential to significantly improve operational efficiency with acceptable image quality for most chest CT images...
  16. ncbi Converting dose-length product to effective dose at CT
    Walter Huda
    Department of Radiology, Medical University of South Carolina, PO Box 250322, 169 Ashley Ave, Charleston, SC 29425, USA
    Radiology 248:995-1003. 2008
    ..To determine effective dose (ED) per unit dose-length product (DLP) conversion factors for computed tomographic (CT) dosimetry...
  17. ncbi When a pregnant woman with suspected appendicitis is referred for a CT scan, what should a radiologist do to minimize potential radiation risks?
    Louis K Wagner
    Department of Radiology, Medical School, University of Texas, 6431 Fannin Street, Houston, TX 77030, USA
    Pediatr Radiol 34:589-90. 2004
  18. ncbi A method to obtain mean organ doses in a RANDO phantom
    Ernest M Scalzetti
    Department of Radiology, SUNY Upstate Medical University, 750 E Adams Street, Syracuse, NY 13210, USA
    Health Phys 95:241-4. 2008
    ..This proposed scheme is comparable to one used in a commercial phantom and offers investigators a comprehensive protocol for obtaining mean organ doses in the RANDO phantom...
  19. ncbi Dose and image quality in CT
    Walter Huda
    Director of Radiation Physics, SUNY Upstate Medical University, 750 E. Adams St, Syracuse, NY 13210, USA
    Pediatr Radiol 32:709-13; discussion 751-4. 2002
  20. ncbi Imaging strategies to reduce the risk of radiation in CT studies, including selective substitution with MRI
    Richard C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill, 101 Manning Drive, Chapel Hill, NC 27599, USA
    J Magn Reson Imaging 25:900-9. 2007
    ..To address what should be done to ensure patient safety, in this review we discuss the "as low as reasonably achievable" (ALARA) principle, and the use of MRI as an alternative to CT...
  21. ncbi Patient size and radiation exposure in thoracic, pelvic, and abdominal CT examinations performed with automatic exposure control
    Gary M Israel
    Department of Radiology, Yale University School of Medicine, Smilow Cancer Hospital, North Pavilion, 2nd Fl Rm 2 245, New Haven, CT 06520, USA
    AJR Am J Roentgenol 195:1342-6. 2010
    ..The purpose of this study was to investigate the effect of patient size on the amount of radiation used to perform CT examinations of the chest, abdomen, and pelvis with automatic exposure control and on the corresponding patient doses...
  22. ncbi Computing effective doses to pediatric patients undergoing body CT examinations
    Walter Huda
    Department of Radiology, Medical University of South Carolina, Charleston, SC, USA
    Pediatr Radiol 38:415-23. 2008
    ....
  23. ncbi How do radiographic techniques affect image quality and patient doses in CT?
    Walter Huda
    Department of Radiology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
    Semin Ultrasound CT MR 23:411-22. 2002
    ..In this review, we address the impact that variations in radiographic techniques (ie, selected values of X-ray kVp and mAs) have on patient doses as well as the quality of the resultant CT images...
  24. ncbi Computed tomography in the evaluation of cystic fibrosis lung disease
    Alan S Brody
    Department of Radiology, MLC 5031, Cincinnati Children s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, Ohio 45229 3039, USA
    Am J Respir Crit Care Med 172:1246-52. 2005
    ..Second is the need for more sensitive outcome measures to assess new therapies. This had led to new interest and a series of important publications. The goal of this article is to present the current status of CT scanning in CF...
  25. ncbi Effective dose: a useful concept in diagnostic radiology
    David Brenner
    Columbia University, New York, NY, USA
    Radiat Prot Dosimetry 128:503-8. 2008
  26. ncbi Adult patient doses in interventional neuroradiology
    Nikolaos A Gkanatsios
    Department of Radiology, University of Florida, Gainesville 32610, USA
    Med Phys 29:717-23. 2002
    ..In interventional neuroradiology, surface doses could induce deterministic effects, and the corresponding effective doses are noticeably higher than those normally encountered in diagnostic radiology...
  27. ncbi Effective doses to adult and pediatric patients
    Walter Huda
    Radiological Physics, State University at New York HSC, 750 E. Adams Street, Syracuse, NY 13210, USA
    Pediatr Radiol 32:272-9. 2002
  28. ncbi Quality assurance: a comparison study of radiographic exposure for neonatal chest radiographs at 4 academic hospitals
    Mervyn D Cohen
    Department of Radiology, Indiana University, Riley Hospital for Children, 702 Barnhill Drive, Rm 1053, Indianapolis, IN 46202, USA
    Pediatr Radiol 42:668-73. 2012
    ..Little is known about exposure differences among hospitals. Large differences might identify outliers using excessive exposure...
  29. ncbi What ER radiologists need to know about radiation risks
    Walter Huda
    Department of Radiology, Medical University of South Carolina, Charleston, SC 29425, USA
    Emerg Radiol 16:335-41. 2009
    ....
  30. ncbi Use of the VIP-Man model to calculate energy imparted and effective dose for x-ray examinations
    Mark Winslow
    Nuclear Engineering and Engineering Physics Program, Rensselaer Polytechnic Institute, NES Building, Tibbits Avenue, Troy, NY 12180, USA
    Health Phys 86:174-82. 2004
    ....
  31. ncbi Time for unification of CT dosimetry with radiography and fluoroscopy
    Walter Huda
    Radiat Prot Dosimetry 128:129-32. 2008
  32. ncbi Computing effective doses from dose-length product in CT
    Walter Huda
    Radiology 248:321; author reply 321-2. 2008
  33. ncbi Effective doses in radiology and diagnostic nuclear medicine: a catalog
    Fred A Mettler
    Department of Radiology and Nuclear Medicine, New Mexico Veterans Administration Healthcare System, 1501 San Pedro Blvd, Albuquerque, NM 87108, USA
    Radiology 248:254-63. 2008
    ..Average effective dose for most nuclear medicine procedures varies between 0.3 and 20 mSv. These doses can be compared with the average annual effective dose from background radiation of about 3 mSv...
  34. ncbi Radiation risk to children from computed tomography
    Alan S Brody
    Pediatrics 120:677-82. 2007
    ..The information in this report is provided to aid in decision-making and discussions with the health care team, patients, and families...
  35. ncbi Radiographic techniques in screen-film mammography
    Thomas R LaVoy
    J Appl Clin Med Phys 3:248-54. 2002
    ..For a typical clinical x-ray unit, increasing the x-ray tube potential from 25 to 28 kVp reduced the exposure time by 50%, and reduced the AGD by 26%...
  36. ncbi The current concept of speed should not be used to describe digital imaging systems
    Walter Huda
    Radiology 234:345-6. 2005

Research Grants4

  1. Dose and image quality in adult and pediatric CT
    Walter Huda; Fiscal Year: 2006
    ..Determine the choice of kVp/mAs and PR/mAs that minimize patient doses with no loss of diagnostic performance. 3. Help the Radiology community to balance the confliciting requirements of image quality and patient doses in clinical CT. ..