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Total and viable residual splenic volume measurement after partial splenic embolization by three-dimensional ultrasound

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Abstract

Purpose

We prospectively evaluated the validity of total and viable residual splenic volume after partial splenic embolization (PSE) with three-dimensional (3D) ultrasound (US) measurement.

Methods

Twenty patients with splenomegaly were included. All splenic volumes were measured with transabdominal US using virtual organ computer-aided analysis (VOCAL). The viable residual splenic volume after PSE was estimated by using contrast-enhanced (CE) US with VOCAL. The agreement of the measurements from VOCAL and computed tomography (CT) was confirmed using interclass correlation coefficients (ICCs) and Bland–Altman plots.

Results

Mean volume was 503 ± 250 ml for total spleen and 209 ± 108 ml for viable residual volume. Regarding total volume, there was a high correlation and agreement (ICCs = 0.90) between 3D US and CT volumetry. Regarding viable residual volume, although there was a moderate correlation between 3D CEUS and CT volumetry, mean ICCs of 0.617 indicated poor agreement. With Bland–Altman plots, a narrow 95 % limit of agreement was observed among patients with a total volume under 1000 ml.

Conclusion

The total splenic volume could be accurately estimated with 3D US. However, estimation of viable residual splenic volume should be limited in cases with total splenic volume under 1000 ml.

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Acknowledgments

We thank the radiologists at Kitasato University East Hospital for their technical assistance. We also thank Robert E. Brandt, Founder, CEO, and CME, of MedEd Japan, for editing the manuscript.

Conflict of interest

The authors declare no conflicts of interest.

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Correspondence to Hisashi Hidaka.

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Hidaka, H., Wang, G., Nakazawa, T. et al. Total and viable residual splenic volume measurement after partial splenic embolization by three-dimensional ultrasound. J Med Ultrasonics 40, 417–424 (2013). https://doi.org/10.1007/s10396-013-0443-6

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  • DOI: https://doi.org/10.1007/s10396-013-0443-6

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