Volume histogram analysis for lung thin-section computed tomography: differentiation between usual interstitial pneumonia and nonspecific interstitial pneumonia.

Volume histogram analysis for lung thin-section computed tomography: differentiation between usual interstitial pneumonia and nonspecific interstitial pneumonia. Research Abstract Details 

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Volume histogram analysis for lung thin-section computed tomography: differentiation between usual interstitial pneumonia and nonspecific interstitial pneumonia. Abstract Text:

Hiromitsu Sumikawa,Takeshi Johkoh,Shuji Yamamoto,Mamoru Oota,Takashi Ueguchi,Yuji Ogata,Mitsuhiro Matsumoto,Yuka Fujita,Javzandulam Natsag,Atsuo Inoue,Naoki Mihara,Osamu Honda,Noriyuki Tomiyama,Hironobu Nakamura,Hiromitsu Sumikawa,Takeshi Johkoh,Shuji Yamamoto,Mamoru Oota,Takashi Ueguchi,Yuji Ogata,Mitsuhiro Matsumoto,Yuka Fujita,Javzandulam Natsag,Atsuo Inoue,Naoki Mihara,Osamu Honda,Noriyuki Tomiyama,Hironobu Nakamura,

OBJECTIVE: The aim of this study was to evaluate volume histogram analysis between usual interstitial pneumonia (UIP) and nonspecific interstitial pneumonia (NSIP). METHODS: Sixty cases (UIP, n = 22; NSIP, n = 38) were evaluated retrospectively. Three parameters (contrast, variance, and entropy) were calculated in 3 types of regions of interest (ROIs): (a) whole lung, (b) right lower lobe, and (c) cubic ROIs. To evaluate the influence of extent of abnormal findings, the numbers of voxels with low or high density in whole lung were compared with the 3 parameters. RESULT: No significant differences were observed between the ROIs of whole lung and the right lower lobe. In all cubic ROIs, entropy in UIP was larger than that in NSIP (P < 0.001). The numbers of voxels with low-density areas significantly correlated with the values of contrast and entropy, whereas those with high-density areas significantly correlated with all 3 parameters. CONCLUSION: Volume histogram analysis for cubic ROIs may be feasible for differentiating between UIP and NSIP.

Volume histogram analysis for lung thin-section computed tomography: differentiation between usual interstitial pneumonia and nonspecific interstitial pneumonia. Publishing Authors By Initials

H Sumikawa,T Johkoh,S Yamamoto,M Oota,T Ueguchi,Y Ogata,M Matsumoto,Y Fujita,J Natsag,A Inoue,N Mihara,O Honda,N Tomiyama,H Nakamura,H Sumikawa,T Johkoh,S Yamamoto,M Oota,T Ueguchi,Y Ogata,M Matsumoto,Y Fujita,J Natsag,A Inoue,N Mihara,O Honda,N Tomiyama,H Nakamura,

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MEDLINE DATE: 2007 Nov-Dec

Volume histogram analysis for lung thin-section computed tomography: differentiation between usual interstitial pneumonia and nonspecific interstitial pneumonia. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of computer assisted tomography

VOLUME: 31

Page Numbers: 936-42

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ISSN: 0363-8715

DAY: 28

MONTH: 11

YEAR: 2007

Volume histogram analysis for lung thin-section computed tomography: differentiation between usual interstitial pneumonia and nonspecific interstitial pneumonia. Information

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LANGUAGE: eng

NlmUniqueID: 7703942

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Grant and Affiliation Information for Volume histogram analysis for lung thin-section computed tomography: differentiation between usual interstitial pneumonia and nonspecific interstitial pneumonia.

AFFILIATION: Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan. h-sumikawa@radiol.med.osaka-u.ac.jp

Country: United States

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MEDLINETA: J Comput Assist Tomogr

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