Subtypes of peripheral adenocarcinoma of the lung: differentiation by thin-section CT

The purpose of this study was to scrutinize morphological characteristics of thin-section CT of the histopathological subtypes of adenocarcinoma of the lung. The subjects consisted of 83 patients with 87 adenocarcinomas measuring 3 cm or less in the largest. The tumors were divided into three groups...

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Bibliographic Details
Published in:European radiology 2005-08, Vol.15 (8), p.1563-1568
Main Authors: Nakazono, T, Sakao, Y, Yamaguchi, K, Imai, S, Kumazoe, H, Kudo, S
Format: Article
Language:English
Subjects:
Adenocarcinoma
Adenocarcinoma - classification
Adenocarcinoma - diagnostic imaging
Aged
Attenuation
Cancer
Female
Humans
Lung - diagnostic imaging
Lung - pathology
Lung Neoplasms - classification
Lung Neoplasms - diagnostic imaging
Lungs
Male
Physical characteristics
Polygons
Tomography, X-Ray Computed - methods
Tumors
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Summary:The purpose of this study was to scrutinize morphological characteristics of thin-section CT of the histopathological subtypes of adenocarcinoma of the lung. The subjects consisted of 83 patients with 87 adenocarcinomas measuring 3 cm or less in the largest. The tumors were divided into three groups (group I: Noguchi's histological subtypes type A and B tumors, group II: type C tumors, and group III: type D, E, and F tumors). In each group, tumor size, shape (round versus polygonal), presence of air bronchogram, bubble-like areas, coarse spiculation, pleural tag, and ratio of ground glass attenuation (GGA) were evaluated. Most of the group II lesions showed polygonal shape, whereas tumors in other groups were round in shape (P
ISSN:0938-7994
1432-1084
DOI:10.1007/s00330-004-2595-7