Normal Adrenal Glands in Multidetector Computed Tomography

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Voraparee Suvannarerg
Veekij Veerasomboonsin
Wanwarang Teerasamit

Abstract

Objective: To characterize normal adrenal glands in an adult Thai population using multidetector computed tomography (MDCT).
Methods: We retrospectively reviewed the scans of 175 consecutive patients who underwent renal CT angiography for potential kidney donation with attention to the location, morphology, and enhancement of both adrenal glands. Each reader measured the body and limb thickness in the axial and coronal planes, and the length in the axial plane. The interclass correlation coefficient (ICC) between the two readers was generated. We employed mean, SD, and 95th percentile of normal adrenal gland size by using pooled data of both reviewers.
Results: The 95th percentiles of normal adrenal glands, which might be useful as cutoff values to distinguish between normal and pathological adrenal gland size, were calculated. The right adrenal gland was more often relatively cephalad to the left adrenal (58.9%). The most common morphology of both adrenal glands was the inverted Y, with inverted V and linear shapes less common. Both adrenal glands showed homogeneous enhancement (100%) in the arterial and nephrographic phases.
Conclusion: The majority of normal adrenal glands were right relatively cephalad to left, inverted Y shape, and homogenous enhancement, using the 95th percentile of size normal adrenal gland as a cutoff value to differentiate between normal and thickened limbs and body.

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How to Cite
Suvannarerg, V., Veerasomboonsin, V., & Teerasamit, W. (2018). Normal Adrenal Glands in Multidetector Computed Tomography. Siriraj Medical Journal, 70(6), 502–506. Retrieved from https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/163179
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Original Article