Tubular adenoma of the urinary tract
Tubular adenoma of the urinary tract | |
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Diagnosis in short | |
Tubular adenoma of the urinary tract. H&E stain. | |
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LM | glands with pseudostratified hyperchromatic nuclei without maturation to the surface |
LM DDx | in situ adenocarcinoma of the urinary bladder, adenocarcinoma of the urinary bladder, metastatic adenocarcinoma |
IHC | CK20 +ve, CDX2 +ve, CK7 -ve, GATA3 -ve |
Site | urinary tract - urinary bladder, ureter, renal pelvis |
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Prevalence | uncommon |
Prognosis | benign |
Tubular adenoma of the urinary tract is a very rare lesion of the urinary tract that looks like a tubular adenoma of the gastrointestinal tract.[1]
General
- Very rare.
Microscopic
Features:
- Glands with pseudostratified hyperchromatic nuclei without maturation to the surface.
DDx:
- In situ adenocarcinoma of the urinary bladder.
- Adenocarcinoma of the urinary bladder.
- Metastatic adenocarcinoma, e.g. colorectal adenocarcinoma.
Images
IHC
Features:[1]