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==MRI examples of Prolactinoma==
==MRI examples of Prolactinoma==


[[Image:Coronal T1 contrast enhanced mri image showing microadenoma.gif|950px|Coronal T1 contrast enhanced MRI showing microadenoma]]<ref name="urlPituitary microadenoma | Radiology Reference Article | Radiopaedia.org">{{cite web |url=https://radiopaedia.org/articles/pituitary-microadenoma |title=Pituitary microadenoma &#124; Radiology Reference Article &#124; Radiopaedia.org |format= |work= |accessdate=}}</ref>
[[Image:Coronal T1 contrast enhanced mri image showing microadenoma.gif|950px|thumb|Coronal T1 contrast enhanced MRI showing microadenoma - [https://radiopaedia.org/articles/pituitary-microadenoma Source: Radiopedia]]]
 
[[Image:Saggital T1 contrast enhanced mri image showing macroadenoma 1.gif|950px|thumb|Saggital T1 contrast enhanced MRI showing macroadenoma - [https://radiopaedia.org/articles/pituitary-microadenoma Source: Radiopedia]]]
[[Image:Saggital T1 contrast enhanced mri image showing macroadenoma 1.gif|950px|Saggital T1 contrast enhanced MRI showing macroadenoma]]<ref name="urlPituitary microadenoma | Radiology Reference Article | Radiopaedia.org">{{cite web |url=https://radiopaedia.org/articles/pituitary-microadenoma |title=Pituitary microadenoma &#124; Radiology Reference Article &#124; Radiopaedia.org |format= |work= |accessdate=}}</ref>


== References ==
== References ==

Revision as of 14:10, 12 October 2017

Prolactinoma Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Prolactinoma from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

ECG

X-ray

Ultrasound

CT

MRI

Other Imaging Findings

Other Diagnostic Studies

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Risk calculators and risk factors for Prolactinoma MRI

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Anmol Pitliya, M.B.B.S. M.D.[2], Faizan Sheraz, M.D. [3]

Overview

MRI may be diagnostic of prolactinoma. Magnetic resonance imaging (MRI) is the most sensitive test for detecting pituitary tumors and determining their size.

Key MRI findings in prolactinoma

MRI may be diagnostic of prolactinoma. Magnetic resonance imaging (MRI) is the most sensitive test for detecting pituitary tumors and determining their size. Contrast enhanced MRIs have a sensitivity of 90%. Findings on MRI scans suggestive of prolactinoma include:[1]

  • Isotense to normal pituiatry on T1-weighted images.
  • A rounded region of delayed enhancement compared to the rest of the gland is observed on dynamic sequence post gadolinium enhancement.
  • Variable characteristics are found in delayed images post gadolinum enhancement. Hypo-enhancement (compared to rest of gland) is observed most commonly. Iso-intense (same as rest of gland) and hyperintense (retained contrast) is found rest of the time.
  • Variable, but often a little hyperintense to normal pituitary are found on T2-weighted images.

MRI examples of Prolactinoma

Coronal T1 contrast enhanced MRI showing microadenoma - Source: Radiopedia
Saggital T1 contrast enhanced MRI showing macroadenoma - Source: Radiopedia

References

  1. "Pituitary microadenoma | Radiology Reference Article | Radiopaedia.org".


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