Prolactinoma classification: Difference between revisions
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*''macroprolactinoma'' (>10 mm diameter). | *''macroprolactinoma'' (>10 mm diameter). | ||
===Based on location=== | |||
===Based on location== | |||
The classification for pituitary adenomas is as follows: | The classification for pituitary adenomas is as follows: | ||
Revision as of 18:18, 4 September 2015
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Prolactinoma Microchapters |
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Prolactinoma classification On the Web |
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Risk calculators and risk factors for Prolactinoma classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Faizan Sheraz, M.D. [2]
Overview
Based on size, a prolactinoma can be classified as a microprolactinoma (<10 mm diameter) or macroprolactinoma (>10 mm diameter).
Classification
Prolactinoma may be classified based on either size or location.
Based on size
A prolactinoma can be classified as
- microprolactinoma (<10 mm diameter)
- macroprolactinoma (>10 mm diameter).
Based on location
The classification for pituitary adenomas is as follows:
- 0: Normal pituitary appearance.
- I: Enclosed within the sella turcica, microadenoma, smaller than 10 mm.
- II: Enclosed within the sella turcica, macroadenoma, 10 mm or larger.
- III: Invasive, locally, into the sella.
- IV: Invasive, diffusely, into the sella.
The grading schema for suprasellar extensions is as follows:
- A: 0 to 10 mm suprasellar extension occupying the suprasellar cistern.
- B: 10 mm to 20 mm extension and elevation of the third ventricle.
- C: 20 mm to 30 mm extension occupying the anterior of the third ventricle.
- D: A larger than 30 mm extension, beyond the foramen of Monro, or Grade C with lateral extensions[1].