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Int J Colorectal Dis. 2014 Oct;29(10):1263-6. doi: 10.1007/s00384-014-1944-5. Epub 2014 Jul 2.

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

Author information

1
Department of Surgery, Sunderby Hospital/Umeå University, 97180, Luleå, Sweden, pia.nasvall@nll.se.

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.

PMID:
24986139
DOI:
10.1007/s00384-014-1944-5
[Indexed for MEDLINE]

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