Bronchioloalveolar carcinoma: focal area of ground-glass attenuation at thin-section CT as an early sign.

Abstract:

PURPOSE:To assess an early thin-section computed tomographic (CT) finding of the localized formation of bronchioloalveolar carcinoma (BAC). MATERIALS AND METHODS:From October 1994 to September 1995, four consecutive patients with biopsy-proved BAC were studied. Thin-section CT (n=4), radiographic (n=4), pathologic (n=4), and positron emission tomographic (n=2) findings were analyzed. RESULTS:Chest radiographs showed focal areas of poorly defined nodules (n=2) and poorly defined opacity (n=2). At thin-section CT, lesions appeared as isolated areas of ground-glass attenuation (n=2) and mixed areas of ground-glass attenuation and consolidation (n=2). The areas of ground-glass attenuation were 1.8-11 cm in longest diameter. A focal, isolated area of ground-glass attenuation changed into mixed areas with consolidation at serial CT in one patient. Mucinous and nonmucinous BACs were observed in two patients each. Positron emission tomography showed false-negative results for malignancy. CONCLUSION:Focal areas of ground-glass attenuation at CT could be an early sign of localized BAC.

journal_name

Radiology

journal_title

Radiology

authors

Jang HJ,Lee KS,Kwon OJ,Rhee CH,Shim YM,Han J

doi

10.1148/radiology.199.2.8668800

subject

Has Abstract

pub_date

1996-05-01 00:00:00

pages

485-8

issue

2

eissn

0033-8419

issn

1527-1315

journal_volume

199

pub_type

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