Secondary adrenal insufficiency CT: Difference between revisions
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==Overview== | ==Overview== | ||
==CT | ==CT== | ||
* [[CT]] scan findings in '''primary adrenal insufficiency''' include: | * [[CT]] scan findings in '''primary adrenal insufficiency''' include: | ||
:* Small adrenal remnants bilaterally | :* Small adrenal remnants bilaterally | ||
Revision as of 20:39, 28 August 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
CT
- CT scan findings in primary adrenal insufficiency include:
- Small adrenal remnants bilaterally
- Dense calcification in one or both adrenal beds without evidence of normal glandular remnants - in TB[1]
- Enlarged nonhomogeneous glands of normal contour - in Histoplasmosis
- Atrophic adrenal glands - in idiopathic autoimmune Addison's disease.
- In secondary and tertiary adrenal insufficiency the following findings may be seen on CT head:
- Calcified pituitary and/or hypothalamus.
- Pituitary adenomas - micro / macro
- Absent pituitary and/or hypothalamus - surgical removal