Summary
A high-spatial resolution imaging system employing lens coupling between a fluorescent screen and a HARPICON™ camera was evaluated as a digital mammographie imaging device. A mammographie image on the fluorescent screen is focused on the photoconductive layer of the high sensitivity HARPICON tube by lenses. The limiting spatial resolution in the 1024 × 980 pixel mode of the camera is about 60 um at an input field of 50 × 50 mm on the screen. Images of a standard mammographie phantom were taken at the monochromatized X-ray energy of 20 keV. The images showed smaller specks of microcalcifications and tumor masses than those discernible in images obtained with a conventional screen-film mammography unit.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Karellas A, Harris LJ, Liu H, Davis MA, D’Orsi CJ (1992) Charge-coupled device detector: performance considerations and potential for small-field mammographie imaging applications. Med. Phys. 19: 1015–1023
Roehrig H, Fajardo LL, Yu T, Schempp WS (1994) Signal, noise and detective quantum efficiency in CCD based x-ray imaging systems for use in mammography. SPIE 2163 Physics of Medical Imaging: 320–332
Burattini E, Cossu E, Di Maggio C, Gambaccini M, Indovina PL, Marziani M, Pocek M, Simeoni S, Simonetti G (1995) Mammography with synchrotron radiation. Radiology 195: 239–244
Johnston RE, Washburn D, Pisano E, Burns C, Thomlinson WC, Chapman LD, Arfelli F, Gmur NF, Zhong Z, Sayers D (1996) Mammographie phantom studies with synchrotron radiation. Radiology 200: 659–663
Umetani K, Ueki H, Ueda K, Hirai T, Takeda T, Doi T, Wu J, Itai Y, Akisada M (1996) High-spatial-resolution medical-imaging system using a HARPICON camera coupled with a fluorescent screen. J. Synchrotron Rad. 3: 136–144
Takeda T, Umetani K, Doi T, Echigo J, Ueki H, Ueda K, Itai Y (1997) Two-dimensional aortographic coronary arteriography with above-K-edge monochromatic synchrotron radiation. Acad. Radiol. 4: 438–445
Umetani K, Ueki H, Takeda T, Itai Y, Mori H, Tanaka E, Uddin-Mohammed M, Shinozaki Y, Akisada M, Sasaki Y (1998) High-spatial-resolution and real-time medical imaging using a high-sensitivity HARPICON camera. J. Synchrotron Rad. to be published.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1998 Springer-Verlag Tokyo
About this paper
Cite this paper
Umetani, K., Ueki, H., Takeda, T., Itai, Y., Akisada, M., Sasaki, Y. (1998). Mammography Imaging Using a Harpicon-Based Image Detector. In: Ando, M., Uyama, C. (eds) Medical Applications of Synchrotron Radiation. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68485-5_13
Download citation
DOI: https://doi.org/10.1007/978-4-431-68485-5_13
Publisher Name: Springer, Tokyo
Print ISBN: 978-4-431-68487-9
Online ISBN: 978-4-431-68485-5
eBook Packages: Springer Book Archive