A new scheme for computer-aided detection of CT lung nodules designed in consideration of ground-glass opacity

被引：0

作者：

Matsumoto, Sumiaki ^{[1
]}

Ohno, Yoshiharu ^{[1
]}

Yamagata, Hitoshi ^{[2
]}

Asahina, Hiroshi ^{[2
]}

Sugimura, Kazuro ^{[1
]}

机构：

[1] Kobe Univ, Grad Sch Med, Dept Radiol, Kobe, Hyogo, Japan

[2] Toshiba Med Syst Corp, Ctr Res & Dev, Otawara, Japan

来源：

INTERNATIONAL JOURNAL OF COMPUTER ASSISTED RADIOLOGY AND SURGERY | 2006年 / 1卷

关键词：

Computer-aided detection; Computed tomography; Lung nodule; Lung cancer;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Localized ground-glass opacity (GGO) is an important manifestation of lung cancer in CT images We have developed a new CAD scheme designed to detect both solid nodules and nodules with GGO whose key process is adaptive threshold selection. The scheme was tested with multi-detector row CT images from 50 patients. A total of 129 nodules (consisting of 107 solid nodules and 22 nodules with GGO) of 3 mm or larger in diameter were used as a reference standard. The scheme showed a reasonable performance with 5.8 false positives per case at the sensitivity of 88% (90% for solid nodules and 77% for nodules with GGO).

引用

页码：352 / 354

页数：3

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