Uncommon adrenal masses: CT and MRI features with histopathologic correlation

Abstract Adrenal glands are common sites of diseases. With dramatically increased use of computed tomography (CT) and magnetic resonance (MR) imaging, more and more uncommon adrenal masses have been detected incidentally at abdominal examinations performed for other purposes. In this article, uncomm...

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Bibliographic Details
Published in:European journal of radiology 2007-06, Vol.62 (3), p.359-370
Main Authors: Guo, Ying-Kun, Yang, Zhi-Gang, Li, Yuan, Deng, Yu-Ping, Ma, En-Sen, Min, Peng-Qiu, Zhang, Xiao-Chun
Format: Article
Language:English
Subjects:
Adrenal gland
Adrenal Gland Neoplasms - diagnosis
Adrenal Glands - diagnostic imaging
Adrenal Glands - pathology
Adrenal Glands - ultrastructure
Cysts
Cysts - diagnosis
Disease
Humans
Incidental Findings
Lymphoma - diagnosis
Magnetic Resonance Imaging - methods
MRI
Myelolipoma - diagnosis
Neoplasms
Neoplasms, Germ Cell and Embryonal - diagnosis
Radiology
Rare Diseases
Tomography, X-Ray Computed - methods
Tuberculoma
Tuberculoma - diagnosis
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Summary:Abstract Adrenal glands are common sites of diseases. With dramatically increased use of computed tomography (CT) and magnetic resonance (MR) imaging, more and more uncommon adrenal masses have been detected incidentally at abdominal examinations performed for other purposes. In this article, uncommon adrenal masses are classified as cystic masses (endothelial cysts, epithelial cysts, parasitic cysts, and pseudocysts), solid masses (ganglioneuroma, ganglioneuroblastoma, extramedullary plasmacytoma (EMP), neurilemmoma, and lymphoma), fat-containing masses (myelolipoma, teratoma), and infectious masses (tuberculoma), and the imaging features of these uncommon masses are demonstrated. Although most of these lesions do not have specific imaging features, some fat-containing masses and cystic lesions present with characteristic appearances, such as myelolipoma, teratoma, and hydatid. Combination with histopathologic characteristic of these uncommon masses of adrenal gland, radiological features of these lesions on CT and MR imaging can be accurately understood with more confidences. Moreover, CT and MRI are highly accurate in localization of uncommon adrenal masses, and useful to guide surgical treatments.
ISSN:0720-048X
1872-7727
DOI:10.1016/j.ejrad.2006.12.011