Pituitary apoplexy MRI: Difference between revisions

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**[[Necrosis]] evident by hypointense center in the [[pituitary gland]]
**[[Necrosis]] evident by hypointense center in the [[pituitary gland]]


<gallery widths="400" heights="404">
[[File:Pituitary-macroadenoma-necrotic-1marked.jpg|center|600px|MRI showing necrotic pituitary adenoma(Source: Case courtesy of A.Prof Frank Gaillard, Radiopaedia.org, rID: 17664]]
File:Pituitary-apoplexy-marked.jpg|600px|left|frame|'''Pituitary apoplexy''', courtesy of A.Prof Frank Gaillard, Radiopaedia.org, rID: 2616
File:Pituitary-macroadenoma-necrotic-1marked.jpg|600px|left|frame|'''Pituitary macroadenoma necrosis''', courtesy of A.Prof Frank Gaillard, Radiopaedia.org, rID: 17664
</gallery>


*[[MRI]] can also be done to determine response to [[therapy]].
*[[MRI]] can also be done to determine response to [[therapy]].

Revision as of 14:55, 11 August 2017

Pituitary apoplexy Microchapters

Home

Patient Information

Overview

Historical Perspective

Pathophysiology

Causes

Differentiating Pituitary apoplexy from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

X-ray

Ultrasound

CT

MRI

Other Imaging Findings

Other Diagnostic Studies

Treatment

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Case #1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Akshun Kalia M.B.B.S.[2]

Overview

MRI is done if the CT scan is suspicious for pituitary apoplexy. MRI is more sensitive than CT scan. MRI is more accurate in distinguishing the soft tissues of the pituitary from the surrounding bony structures. MRI is also superior to CT scan for detecting ischemia and infarction in brain tissue.

MRI

MRI showing necrotic pituitary adenoma(Source: Case courtesy of A.Prof Frank Gaillard, Radiopaedia.org, rID: 17664
MRI showing necrotic pituitary adenoma(Source: Case courtesy of A.Prof Frank Gaillard, Radiopaedia.org, rID: 17664
  • MRI can also be done to determine response to therapy.

References

  1. Cho WJ, Joo SP, Kim TS, Seo BR (2009). "Pituitary apoplexy presenting as isolated third cranial nerve palsy with ptosis : two case reports". J Korean Neurosurg Soc. 45 (2): 118–21. doi:10.3340/jkns.2009.45.2.118.
  2. Kupec JT, Goebel SU (2009). "The missing ring sign". Am. J. Med. 122 (12): e1. doi:10.1016/j.amjmed.2009.06.014. PMID 19958874.

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