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Difference between revisions of "Adrenal gland"
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→Benign neoplasms: re-work
(→Benign neoplasms: re-work) |
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=Benign neoplasms= | =Benign neoplasms= | ||
==Adrenal adenoma== | ==Adrenal cortical adenoma== | ||
===General=== | ===General=== | ||
Epidemiology: | |||
*Often an incidental finding. | |||
Pathologic/clinical: | |||
*May be hormonally active. | |||
*Radiologists are good at identifying adenomas, as they are usually lipid rich and have a characteristic low HU signal.<ref>URL: [http://emedicine.medscape.com/article/376240-overview http://emedicine.medscape.com/article/376240-overview].</ref> | *Radiologists are good at identifying adenomas, as they are usually lipid rich and have a characteristic low HU signal.<ref>URL: [http://emedicine.medscape.com/article/376240-overview http://emedicine.medscape.com/article/376240-overview].</ref> | ||
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*Hormonally active. | *Hormonally active. | ||
*Non-incidental finding. (???) | *Non-incidental finding. (???) | ||
===Microscopic=== | ===Microscopic=== | ||
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Notes: | Notes: | ||
*[[Cushing disease]] is due to the ACTH over-production by the [[pituitary]]. | *[[Cushing disease]] is due to the ACTH over-production by the [[pituitary]]. | ||
*Adrenal hyperplasia vs. adrenal adenoma: | |||
**Hyperplasia is multifocal.<ref>IAV. 18 February 2009.</ref> | |||
==Pheochromocytoma== | ==Pheochromocytoma== | ||