The appearance of bronchioloalveolar carcinoma on high resolution CT

SUN Na; FAN Jin-yu; JIANG Hong

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Journal of China Clinic Medical Imaging ›› 2007, Vol. 18 ›› Issue (6) : 393-395.

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The appearance of bronchioloalveolar carcinoma on high resolution CT

SUN Na1, FAN Jin-yu1, JIANG Hong2

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Abstract

Objective: To study the appearance of bronchioloalveolar carcinoma(BAC) on high-resolution CT. Methods: HRCT scans of 41 patients with pathologically proven BAC were retrospectively analyzed. 7 HRCT findings were separately recorded into 3 types(solitary nodule, multi-nodular, diffusion type) and were assessed with pathologic correlation. Result: HRCT findings of solitary nodule(n=18) are: typical peripheral or subpleural location in 15; pulmonary lesion with irregular margin forming a stellate or patchy pattern 8; vacuole sign and/or brochiologram 14; pleural retraction 12; The features of single lesion in multi-nodular(n=9) were the same as the former; Diffuse consolidative type(n=14): lobar or segmental homogenous consolidation (n=7); “withered tree” sign(n=4); “honey comb” sign(n=6); ground-glass opacity(n=8); acinar nodules(n=6). Conclusion: HRCT is an important method to determine the diagnosis and differential diagnosis of BAC.

Key words

lung neoplasms / adenocarcinoma / bronchiolo-alveolar / tomography / X-ray computed

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SUN Na;FAN Jin-yu;JIANG Hong. The appearance of bronchioloalveolar carcinoma on high resolution CT[J]. Journal of China Clinic Medical Imaging. 2007, 18(6): 393-395