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Erschienen in: European Radiology 6/2014

01.06.2014 | Urogenital

Diagnostic accuracy of segmental enhancement inversion for diagnosis of renal oncocytoma at biphasic contrast enhanced CT: systematic review

verfasst von: Nicola Schieda, Matthew D. F. McInnes, Lilly Cao

Erschienen in: European Radiology | Ausgabe 6/2014

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Abstract

Objectives

To use systematic review to evaluate the diagnostic accuracy of segmental enhancement inversion (SEI) at contrast-enhanced biphasic multi-detector computed tomography (MDCT) for the diagnosis of renal oncocytoma.

Methods

Several electronic databases were searched through October 2013. Two reviewers independently selected studies that met the inclusion criteria and extracted data. Study quality was assessed with the QUADAS-2 tool. The primary 2 × 2 data were investigated with forest plot and ROC plot of sensitivity and specificity.

Results

Four studies met the inclusion criteria (307 patients). Considerable heterogeneity between studies precluded meta-analysis. Two studies from the same group of investigators demonstrated reasonable diagnostic accuracy (sensitivity 59-80 % and specificity 87-99 %), while two others did not (sensitivity 0-6 %, specificity 93-100 %). Possible reasons for this include timing of biphasic MDCT and methods of interpretation but not size of lesion.

Conclusions

SEI is a specific imaging finding of renal oncocytoma with highly variable sensitivity. This substantial heterogeneity across studies and between institutions suggests that further validation of this imaging finding is necessary prior to application in clinical practice.

Key Points

SEI on CT in small renal masses is specific for oncocytoma.
Sensitivity of SEI varies substantially between studies and across institutions.
Variability could relate to CT timing or methods of interpretation.
High accuracy of SEI has only been reported by one group.
Validation of SEI is needed prior to clinical implementation.
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Metadaten
Titel
Diagnostic accuracy of segmental enhancement inversion for diagnosis of renal oncocytoma at biphasic contrast enhanced CT: systematic review
verfasst von
Nicola Schieda
Matthew D. F. McInnes
Lilly Cao
Publikationsdatum
01.06.2014
Verlag
Springer Berlin Heidelberg
Erschienen in
European Radiology / Ausgabe 6/2014
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-014-3147-4

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