Abstract
Purpose
The aim of this study is to analyse the computed tomographic (CT) findings of pulmonary epithelioid haemangioendothelioma (EHE).
Materials and methods
The CT features and clinical presentations of six patients (five women, one man; mean age, 53 years) with pathology-proven pulmonary EHE were reviewed. Noncontrast CT images were available for three patients and enhanced CT images for three patients. The image characteristics included the number of tumours, tumour location and size, tumour margins, the presence of calcification/necrosis/cavity, the presence of perivascular location, the presence of pleural lesions, tumour homogeneity at contrast-enhanced CT, tumour enhancement relative to the adjacent muscle and the presence of extrapulmonary lesions.
Results
Multiple nodules/masses with irregular margin were shown in all cases, and reticulonodular opacities and ground-glass opacities were found in one case. Overall, the six cases showed 178 nodules/masses, 90 % (160/178) of which were <1 cm in diameter. The average size of the largest nodules/masses in each case was 2.7 cm. The nodules/masses were mostly (93 %, 166/178) located in the subpleural region (<2 cm from the pleura). A total of 48 % (86/178) of nodules/masses showed punctate calcification in four of six cases. All nodules/masses showed perivascular location. Pleural indentation was shown in all cases, as well as pleural-thickening in five cases and pleural effusion in two cases. On contrast-enhanced CT, EHE showed a mildly heterogeneous hyperdense appearance.
Conclusions
With predilection for subpleural and perivascular location, typical pulmonary EHE appears as multiple irregular nodules with punctate calcification and pleural indentation.
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Kefu Liu, Ping Xie, Weijun Peng, Zhengrong Zhou declare no conflict of interest.
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Liu, K., Xie, P., Peng, W. et al. The computed tomographic findings of pulmonary epithelioid hemangioendothelioma. Radiol med 119, 705–713 (2014). https://doi.org/10.1007/s11547-013-0376-6
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DOI: https://doi.org/10.1007/s11547-013-0376-6