Use of Volume Measurement in Adrenal Mass Follow Up

Abstract

Purpose: The purpose of our study was to assess the use of volume measurement in addition to or together with linear measurement in adrenal mass follow up. Since the morphologies of the adrenal gland may differ (such as Y,Z, andV), adrenal masses may also be visualized in different geometrical forms.If adrenal masses are hormonally inactive and do not exhibit significant changes in dimension they can be follow up for years, and measurements can therefore exhibitinterobserver differences. Method: Linear measurements and manual and automatic volume values obtained from first abdominal computerized tomography (CT) images from 49 patients under monitoring for adrenal adenoma were compared with final control abdominal CT measurements. No significant difference was observed in any measurements.We observed 99.7% correlation between ‘first linear measurement’ and’ first volume,’ and a similar level between ‘final linear measurement’ and ‘final volume.’ Conclusion: Volume measurement can be performed separately or together with three-dimensionallinear measurements in adrenal mass follow up. DOI : 10.7176/JSTR/5-2-16