Disagreement of diameter and volume measurements for pulmonary nodule size estimation in CT lung cancer screening

被引：62

作者：

Heuvelmans, Marjolein A. ^{[1
]}

Walter, Joan E. ^{[1
]}

Vliegenthart, Rozemarijn ^{[1
]}

van Ooijen, Peter M. A. ^{[1
]}

De Bock, Geertruida H. ^{[2
]}

de Koning, Harry J. ^{[3
]}

Oudkerk, Matthijs ^{[1
]}

机构：

[1] Univ Groningen, Univ Med Ctr Groningen, Ctr Med Imaging North East Netherlands, Groningen, Netherlands

[2] Univ Groningen, Univ Med Ctr Groningen, Dept Epidemiol, Groningen, Netherlands

[3] Erasmus MC, Dept Publ Hlth, Rotterdam, Netherlands

来源：

THORAX | 2018年 / 73卷 / 08期

关键词：

imaging/CT MRI etc; lung cancer;

D O I：

10.1136/thoraxjnl-2017-210770

中图分类号：

R56 [呼吸系及胸部疾病];

学科分类号：

摘要：

We studied 2240 indeterminate solid nodules (volume 50-500 mm(3)) to determine the correlation of diameter and semi-automated volume measurements for pulmonary nodule size estimation. Intra-nodular diameter variation, defined as maximum minus minimum diameter through the nodule's center, varied by 2.8 mm (median, IQR: 2.2-3.7 mm), so above the 1.5 mm cutoff for nodule growth used in Lung CT Screening Reporting and Data System (Lung-RADS). Using mean or maximum axial diameter to assess nodule volume led to a substantial mean overestimation of nodule volume of 47.2% and 85.1%, respectively, compared to semi-automated volume. Thus, size of indeterminate nodules is poorly represented by diameter.

引用

页码：779 / 781

页数：3

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