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Difference between revisions of "Urothelium"
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- INVASIVE HIGH-GRADE PAPILLARY UROTHELIAL CARCINOMA AT LEAST INTO MUSCULARIS PROPRIA. | - INVASIVE HIGH-GRADE PAPILLARY UROTHELIAL CARCINOMA AT LEAST INTO MUSCULARIS PROPRIA. | ||
- LYMPHOVASCULAR INVASION PRESENT. | - LYMPHOVASCULAR INVASION PRESENT. | ||
</pre> | |||
====Low-grade versus high-grade==== | |||
<pre> | |||
URINARY BLADDER LESION ("TUMOUR"), TRANSURETHRAL RESECTION URINARY BLADDER TUMOUR (TURBT): | |||
- HIGH-GRADE PAPILLARY UROTHELIAL CARCINOMA, SEE COMMENT. | |||
- NEGATIVE FOR LAMINA PROPRIA INVASION. | |||
- NO MUSCULARIS PROPRIA PRESENT. | |||
COMMENT: | |||
The sections show papillary branching, papillary fusion and scattered large cells (~4-5 a | |||
resting lymphocyte). Atypical for a high-grade lesion is that mitotic activity is scarce | |||
and prominent nucleoli are not present. | |||
</pre> | </pre> | ||