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← Older revision		Revision as of 02:08, 17 February 2025
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	[[Category:Steroids]]		[[Category:Steroids]]
	[[Category:Adrenal gland disorders]]		[[Category:Adrenal gland disorders]]
			<gallery>
			File:Adosterol.svg\|Adosterol chemical structure
			File:Adosterol_molecule_ball.png\|Adosterol molecule ball-and-stick model
			</gallery>

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{{Short description|A radiolabeled cholesterol analog used in medical imaging}}
{{Drugbox
| verifiedfields = changed
| verifiedrevid = 477002123
| IUPAC_name = 3_-[(123I)iodomethyl]-19-nor-5_-androstan-17-one
| image = Adosterol.svg
| image2 = Adosterol_molecule_ball.png
}}

'''Adosterol''' is a radiolabeled cholesterol analog used primarily in medical imaging to assess adrenal gland function. It is particularly useful in the diagnosis of adrenal gland disorders such as [[Conn's syndrome]] and [[Cushing's syndrome]].

==Chemical structure==
Adosterol is a synthetic derivative of cholesterol, specifically designed to mimic the behavior of cholesterol in the body while being detectable through imaging techniques. The compound is labeled with the radioactive isotope [[iodine-131]], which allows for its detection using [[scintigraphy]].

==Mechanism of action==
Adosterol works by being selectively taken up by the adrenal cortex, where it is incorporated into the steroid synthesis pathway. Due to its structural similarity to cholesterol, adosterol is processed by the adrenal glands in a manner similar to natural cholesterol. The radioactive iodine label allows for the visualization of adrenal gland activity through imaging techniques.

==Clinical applications==
Adosterol scintigraphy is used in the evaluation of adrenal gland disorders. It helps in:

* Diagnosing [[primary aldosteronism]] (Conn's syndrome) by identifying hyperfunctioning adrenal tissue.
* Evaluating [[Cushing's syndrome]] to differentiate between adrenal and pituitary causes.
* Assessing [[adrenal hyperplasia]] and [[adrenal adenomas]].

==Procedure==
The procedure involves the intravenous administration of adosterol, followed by imaging at specific intervals to assess the uptake and distribution of the radiotracer in the adrenal glands. The images obtained can help in identifying abnormal adrenal tissue and guide further diagnostic or therapeutic interventions.

==Safety and precautions==
As with any procedure involving radioactive materials, there are safety considerations to minimize radiation exposure to the patient and healthcare providers. The use of adosterol is generally safe when performed by trained professionals, but it is contraindicated in pregnant women due to the potential risk to the fetus.

==Related pages==
* [[Cholesterol]]
* [[Adrenal gland]]
* [[Nuclear medicine]]
* [[Radiopharmaceutical]]

==Gallery==
<gallery>
File:Adosterol.svg|Structural formula of Adosterol
File:Adosterol_molecule_ball.png|Ball-and-stick model of Adosterol
</gallery>

[[Category:Radiopharmaceuticals]]
[[Category:Steroids]]
[[Category:Adrenal gland disorders]]

Adosterol - Revision history

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