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Difference between revisions of "Sessile serrated adenoma"
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| LMDDx = [[hyperplastic polyp]], [[tubular adenoma]] when with dysplasia, [[mucosal prolapse]] for left sided lesions or background of [[diverticulosis]] | | LMDDx = [[hyperplastic polyp]], [[tubular adenoma]] when with dysplasia, [[mucosal prolapse]] for left sided lesions or background of [[diverticulosis]] | ||
| Stains = | | Stains = | ||
| IHC = | | IHC = Chromogranin A loss | ||
| EM = | | EM = | ||
| Molecular = | | Molecular = | ||
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Image:Sessile_serrated_adenoma_3_very_high_mag.jpg | SSA - very high mag. (WC/Nephron) | Image:Sessile_serrated_adenoma_3_very_high_mag.jpg | SSA - very high mag. (WC/Nephron) | ||
</gallery> | </gallery> | ||
==IHC== | |||
*[[Chromogranin A]] negative; complete loss of staining. | |||
**Normal colorectal mucosa has scattered Chromogranin A-positive cells. | |||
**[[Hyperplastic polyp]] has increased scattered Chromogranin A-positive cells. | |||
==Sign out== | ==Sign out== | ||