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A comparison between intrastomal 3D ultrasonography, CT scanning and findings at surgery in patients with stomal complaints

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International Journal of Colorectal Disease Aims and scope Submit manuscript

Abstract

Purpose

Since there are no reliable investigative tools for imaging parastomal hernia, new techniques are needed. The aim of this study was to assess the validity of intrastomal three-dimensional ultrasonography (3D) as an alternative to CT scanning for the assessment of stomal complaints.

Method

Twenty patients with stomal complaints, indicating surgery, were examined preoperatively with a CT scan in the supine position and 3D intrastomal ultrasonography in the supine and erect positions. Comparison with findings at surgery, considered to be the true state, was made.

Results

Both imaging methods, 3D ultrasonography and CT scanning, showed high sensitivity (ultrasound 15/18, CT scan 15/18) and specificity (ultrasound 2/2, CT scan 1/2) when judged by a dedicated radiologist. Corresponding values for interpretation of CT scans in routine clinical practice was for sensitivity 17/18 and for specificity 1/2.

Conclusion

3D ultrasonography has a high validity and is a promising alternative to CT scanning in the supine position to distinguish a bulge from a parastomal hernia.

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Authors and Affiliations

  1. Department of Surgery, Sunderby Hospital/Umeå University, 97180, Luleå, Sweden

    P. Näsvall

  2. Department of Radiation Sciences, Diagnostic Radiology, Umeå University, Umeå, Sweden

    F. Wikner

  3. Department of Surgical and Perioperative Sciences, Umeå University, Umeå, Sweden

    U. Gunnarsson, J. Rutegård & K. Strigård

Authors
  1. P. Näsvall
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  2. F. Wikner
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  3. U. Gunnarsson
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  4. J. Rutegård
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  5. K. Strigård
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Corresponding author

Correspondence to P. Näsvall.

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Näsvall, P., Wikner, F., Gunnarsson, U. et al. A comparison between intrastomal 3D ultrasonography, CT scanning and findings at surgery in patients with stomal complaints. Int J Colorectal Dis 29, 1263–1266 (2014). https://doi.org/10.1007/s00384-014-1944-5

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  • DOI: https://doi.org/10.1007/s00384-014-1944-5

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