A comparative study of computed tomographic techniques for the detection of emphysema in middle-aged and older patient populations

M. Tanino, M. Nishimura, Tomoko Betsuyaku, K. Takeyabu, Y. Tanino, K. Miyamoto, Y. Kawakami

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Abstract

Helical-scan computed tomography (CT) is now widely utilized as a mass screening procedure for lung cancer. By adding 3 slices of high-resolution CT (HRCT) to the standard screening procedure, we were able to compare the efficacy of helical-scan CT and HRCT in detecting pulmonary emphysema. Additionally, the prevalence of emphysema detected by HRCT was examined as a function of patient age and smoking history. The subjects (106 men and 28 women) were all community-based middle-aged and older volunteers who participated in a mass lung cancer screening program. Based on visual assessments of the CT films, emphysema was detected in 29 subjects (22%) by HRCT, but in only 4 (3%) by helical-scan CT. Although the prevalence of emphysema was higher among subjects with a higher smoking index, no correlations with age were observed. We concluded that the efficacy of helical scan CT in detecting pulmonary emphysema can be significantly improved with the inclusion of 3 slices of HRCT, and confirmed that cigarette smoking is linked to the development of pulmonary emphysema.

Original languageEnglish
Pages (from-to)368-372
Number of pages5
JournalNihon Kokyūki Gakkai zasshi = the journal of the Japanese Respiratory Society
Volume38
Issue number5
Publication statusPublished - 2000
Externally publishedYes

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Spiral Computed Tomography
Emphysema
Pulmonary Emphysema
Smoking
Population
Lung Neoplasms
Tomography
Mass Screening
Motion Pictures
Early Detection of Cancer
Volunteers
History

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A comparative study of computed tomographic techniques for the detection of emphysema in middle-aged and older patient populations. / Tanino, M.; Nishimura, M.; Betsuyaku, Tomoko; Takeyabu, K.; Tanino, Y.; Miyamoto, K.; Kawakami, Y.

In: Nihon Kokyūki Gakkai zasshi = the journal of the Japanese Respiratory Society, Vol. 38, No. 5, 2000, p. 368-372.

Research output: Contribution to journalArticle

Tanino, M. ; Nishimura, M. ; Betsuyaku, Tomoko ; Takeyabu, K. ; Tanino, Y. ; Miyamoto, K. ; Kawakami, Y. / A comparative study of computed tomographic techniques for the detection of emphysema in middle-aged and older patient populations. In: Nihon Kokyūki Gakkai zasshi = the journal of the Japanese Respiratory Society. 2000 ; Vol. 38, No. 5. pp. 368-372.
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