Retrospective Respiration-Gated MDCT: Initial Results in Canine Models
Kazuo Awai1,
Daisuke Utsunomiya1,
Masanori Imuta1,
Shinya Shiraishi1,
Yasuyuki Yamashita1,
Yasumasa Nishimura2,
Natsuko Sato3 and
Maiko Kudo3
1 Department of Diagnostic Radiology, Graduate School of Medical Sciences,
Kumamoto University, 1-1-1 Honjyo, Kumamoto 860-8556, Japan.
2 Department of Radiology, Kinki University School of Medicine, 377-2
Oono-higashi, Osaka-Sayama City 589-8511, Japan.
3 Philips Medical Systems, Tokyo 108-8507, Japan.

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Fig. 1A. Retrospective respiration-gated MDCT scans of canine lungs.
Axial scans were obtained at level of right and left ventricles during tidal
inspiration (A) and tidal expiration (B) phases.
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Fig. 1B. Retrospective respiration-gated MDCT scans of canine lungs.
Axial scans were obtained at level of right and left ventricles during tidal
inspiration (A) and tidal expiration (B) phases.
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Fig. 1C. Retrospective respiration-gated MDCT scans of canine lungs.
Coronal maximum-intensity-projection images were obtained at level of right
and left ventricles during tidal inspiration (C) and tidal expiration
(D) phases. Right costophrenic angle moved from level of ninth rib
(arrow, C) to level of 10th rib (arrow, D)
between tidal inspiration and tidal expiration.
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Fig. 1D. Retrospective respiration-gated MDCT scans of canine lungs.
Coronal maximum-intensity-projection images were obtained at level of right
and left ventricles during tidal inspiration (C) and tidal expiration
(D) phases. Right costophrenic angle moved from level of ninth rib
(arrow, C) to level of 10th rib (arrow, D)
between tidal inspiration and tidal expiration.
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Copyright © 2004 by the American Roentgen Ray Society.