Visualization of normal pulmonary fissures on sagittal multiplanar reconstruction MDCT.

Visualization of normal pulmonary fissures on sagittal multiplanar reconstruction MDCT. Research Abstract Details 

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Visualization of normal pulmonary fissures on sagittal multiplanar reconstruction MDCT. Abstract Text:

Koji Takahashi,Brad Thompson,William Stanford,Yutaka Sato,Kenichi Nagasawa,Hiroaki Sato,Makoto Kubota,Ayako Kashiba,Hiroyuki Sugimori,

OBJECTIVE: Delineation of the interlobar fissures on multiplanar reconstruction (MPR) images is useful to assess masses at the fissures for invasion into adjacent lobes. We performed this study to determine the appropriate MDCT protocol to visualize the interlobar fissures on sagittal MPR images. MATERIALS AND METHODS: For the phantom studies, radiographic film was used to replicate the interlobar fissures. For the clinical studies, we obtained MDCT scans of 130 patients with normal interlobar fissures. Visualization of the interlobar fissures on sagittal MPR was assessed using the following scanning parameters: scan collimations of 0.5, 1, 2, and 3 mm with helical pitches of 1 and 1.5 for the phantom studies; and scan collimations of 0.5, 1, 2, and 3 mm with a helical pitch of 1.5 and a scan collimation of 2 mm with a helical pitch of 1 for the clinical studies. RESULTS: To visualize fissures as a sharp line, a 0.5- or 1-mm collimation was required for the major fissure and 0.5 mm for the minor fissure in the phantom studies. In the clinical studies, 0.5-mm-collimation MPR images depicted interlobar fissures as a sharp line in all cases. Fissures on MPR images using 1-, 2-, and 3-mm collimations appeared as a sharp line in 77.5-95.0%, 0-43.3%, and 0% of cases, respectively. CONCLUSION: Volume data obtained using a 1-mm collimation are required to visualize all the interlobar fissures as a sharp line on sagittal MPR images except the minor fissure and superior portion of the right major fissure, for which a 0.5-mm collimation is required.

Visualization of normal pulmonary fissures on sagittal multiplanar reconstruction MDCT. Publishing Authors By Initials

K Takahashi,B Thompson,W Stanford,Y Sato,K Nagasawa,H Sato,M Kubota,A Kashiba,H Sugimori,

For similar tomography, x-ray computed research abstracts see: tomography, x-ray computed research

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Visualization of normal pulmonary fissures on sagittal multiplanar reconstruction MDCT. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJR. American journal of roentgenology

VOLUME: 187

Page Numbers: 389-97

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ISSN: 1546-3141

DAY: 15

MONTH: Aug

YEAR: 2006

Visualization of normal pulmonary fissures on sagittal multiplanar reconstruction MDCT. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

Visualization of normal pulmonary fissures on sagittal multiplanar reconstruction MDCT. Keywords Mesh Terms:

KEYWORDS: Tomography, X-Ray Computed

MESH TERMS: methods

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Grant and Affiliation Information for Visualization of normal pulmonary fissures on sagittal multiplanar reconstruction MDCT.

AFFILIATION: Department of Radiology, Asahikawa Medical College and Hospital, 2-1-1-1 Midorigaowa-higashi, Asahikawa, 078-8510 Japan. taka1019@asahikawa-med.ac.jp

Country: United States

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MEDLINETA: AJR Am J Roentgenol

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