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| ==Complex endometrial hyperplasia with atypia== | | ==Complex endometrial hyperplasia with atypia== |
| {{ Infobox external links
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| | Name = Complex endometrial hyperplasia with atypia
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| | EHVSC = 10181
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| | pathprotocols =
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| | wikipedia =
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| | pathoutlines =
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| }}
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| *[[AKA]] ''complex atypical hyperplasia''. | | *[[AKA]] ''complex atypical hyperplasia''. |
| ===General===
| | {{Main|Complex endometrial hyperplasia}} |
| *High risk of transformation to [[endometrial carcinoma]].
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| ===Microscopic===
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| Features:
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| *Increase in size & number of glands + irregular shape - '''key feature'''.
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| *Cell stratification.
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| *Nuclear enlargement.
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| *Nuclear atypia:
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| **Round nuclei ~ 2-3x the size of a lymphocyte.
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| **Grey/translucent chromatin.
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| **Nucleoli.
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| *Mitoses common.
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| Note:
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| *Atypical nuclei often hide between non-typical nuclei, like peg cells in the [[fallopian tube]].
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| DDx:
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| *[[Complex endometrial hyperplasia]].
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| *[[Endometrioid endometrial carcinoma]] - see ''[[endometrial carcinoma versus complex endometrial hyperplasia]]''.
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| Image:
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| *[http://www.webpathology.com/image.asp?n=2&Case=568 Complex endometrial hyperplasia with atypia (webpathology.com)].
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| ===Sign out===
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| ====Insufficient confluence for carcinoma====
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| <pre>
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| ENDOMETRIUM, BIOPSY:
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| - COMPLEX ENDOMETRIAL HYPERPLASIA WITH ATYPIA, SEE COMMENT.
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| COMMENT:
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| The sections show architecturally complex crowded glands with focal
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| morular squamous metaplasia and focal cribriforming. Desmoplasia
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| is not identified. The degree of gland confluence is not considered
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| sufficient for the diagnosis of endometrial carcinoma. Nuclear atypia
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| is present focally.
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| </pre>
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| ====Insufficient extent for carcinoma====
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| <pre>
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| ENDOMETRIUM, BIOPSY:
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| - COMPLEX ENDOMETRIAL HYPERPLASIA WITH ATYPIA, SEE COMMENT.
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| COMMENT:
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| The sections show architecturally complex back-to-back glands with focal
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| morular squamous metaplasia and cribriforming. Desmoplasia is not present.
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| The extent, i.e. the size of the abnormality, is not considered sufficient
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| for the diagnosis of endometrial carcinoma.
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| </pre>
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| =Other= | | =Other= |