Prolactinoma MRI: Difference between revisions
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{{Prolactinoma}} | {{Prolactinoma}} | ||
{{CMG}} {{AE}}{{Anmol}}, {{Faizan}} | {{CMG}};{{AE}}{{Anmol}}, {{Faizan}} | ||
==Overview== | ==Overview== | ||
[[MRI]] may be diagnostic of [[prolactinoma]]. Magnetic resonance imaging ([[MRI]]) is the most sensitive test for detecting pituitary tumors and determining their size. | [[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 | ==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 | [[MRI]] may be diagnostic of [[prolactinoma]]. Magnetic resonance imaging ([[MRI]]) is the most [[Sensitivity (test)|sensitive]] test for detecting [[pituitary tumors]] and determining their size. Contrast enhanced [[Magnetic resonance imaging|MRIs]] have a [[Sensitivity (tests)|sensitivity]] of 90%. Findings on [[Magnetic resonance imaging|MRI]] scans suggestive of prolactinoma include:<ref name="urlPituitary microadenoma | Radiology Reference Article | Radiopaedia.org">{{cite web |url=https://radiopaedia.org/articles/pituitary-microadenoma |title=Pituitary microadenoma | Radiology Reference Article | Radiopaedia.org |format= |work= |accessdate=}}</ref> | ||
* 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== | |||
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[[Image:Coronal T1 contrast enhanced mri image showing microadenoma.gif|800px|left|thumb|Coronal T1 contrast enhanced MRI showing microadenoma - [https://radiopaedia.org/articles/pituitary-microadenoma Source: Radiopedia]]] | |||
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*delayed images | |||
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[[Image:Saggital T1 contrast enhanced mri image showing macroadenoma 1.gif|800px|left|thumb|Saggital T1 contrast enhanced MRI showing macroadenoma - [https://radiopaedia.org/articles/pituitary-microadenoma Source: Radiopedia]]] | |||
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== References == | == References == | ||
{{Reflist|2}} | {{Reflist|2}} | ||
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[[Category:Disease]] | [[Category:Disease]] | ||
[[Category:Neuroendocrinology]] | [[Category:Neuroendocrinology]] | ||
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Latest revision as of 23:49, 29 July 2020
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Prolactinoma Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Prolactinoma MRI On the Web |
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American Roentgen Ray Society Images of 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
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References