| Large degenerated adrenal adenomas: radiologic-pathologic correlation. | |
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MedLine Citation:
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PMID: 10207419 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To correlate the radiologic and pathologic findings and differential diagnosis of large, degenerated adrenal adenomas. MATERIALS AND METHODS: The authors reviewed the radiologic and pathologic characteristics of 30 large adenomas with cystic regions or areas of heterogeneity that were either intrinsic or demonstrated at contrast material-enhanced computed tomography (CT) or magnetic resonance (MR) imaging. Images of 24 adrenocortical carcinomas were also reviewed to determine whether differentiating characteristics existed. RESULTS: Most of the adrenocortical adenomas were in asymptomatic women. Ten adenomas contained calcification. Pathologic examination revealed good correlation between heterogeneity and liquefied regions. Histologic examination confirmed regions of adenomatous tissue with areas of hemorrhage, amorphous degenerated material, calcification, and fibrosis. Some tumors contained myelolipomatous foci. Although some clinical and imaging findings differed between the groups, no features could be found that enabled the radiologic differentiation of adenomas from carcinomas. CONCLUSION: A subgroup of adrenal adenomas are larger, more heterogeneous, and more frequently calcified than those with the usual imaging findings. Central necrosis, hemorrhage, or both are responsible for many of the imaging features. Differentiation of these lesions from other large adrenal masses, including adrenal carcinoma, cannot be made by means of imaging alone; resection is required for the definitive diagnosis. |
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Authors:
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J H Newhouse; C S Heffess; B J Wagner; T J Imray; C F Adair; A J Davidson |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Radiology Volume: 210 ISSN: 0033-8419 ISO Abbreviation: Radiology Publication Date: 1999 Feb |
Date Detail:
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Created Date: 1999-05-05 Completed Date: 1999-05-05 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0401260 Medline TA: Radiology Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 385-91 Citation Subset: AIM; IM |
Affiliation:
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Department of Radiology, Armed Forces Institute of Pathology, Washington, DC, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adrenal Cortex
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pathology* Adrenal Cortex Neoplasms / pathology, radiography* Adrenocortical Adenoma / pathology, radiography* Adrenocortical Carcinoma / pathology, radiography* Diagnosis, Differential Female Humans Magnetic Resonance Imaging Male Middle Aged Tomography, X-Ray Computed |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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