Case ID: 475

Publication date: 31 Oct, 2015

Consensus grade: High-grade papillary urothelial carcinoma (HG-PUC)

User Diagnosis Difficulty Comment
Pathologist 1 High-grade papillary urothelial carcinoma (HG-PUC) Borderline higher
Pathologist 2 High-grade papillary urothelial carcinoma (HG-PUC) Typical
Pathologist 3 High-grade papillary urothelial carcinoma (HG-PUC) Typical
Pathologist 4 High-grade papillary urothelial carcinoma (HG-PUC) Borderline lower
Pathologist 5 High-grade papillary urothelial carcinoma (HG-PUC) Typical
Pathologist 6 High-grade papillary urothelial carcinoma (HG-PUC) Typical
Pathologist 7 High-grade papillary urothelial carcinoma (HG-PUC) Borderline lower

Too dark

Pathologist 8 PUNLMP Typical
Pathologist 9 Low-grade papillary urothelial carcinoma (LG-PUC) Borderline higher
Pathologist 10 Low-grade papillary urothelial carcinoma (LG-PUC) Borderline higher
Pathologist 11 High-grade papillary urothelial carcinoma (HG-PUC) Typical
Pathologist 12 High-grade papillary urothelial carcinoma (HG-PUC) Bordering on lower
Pathologist 13 High-grade papillary urothelial carcinoma (HG-PUC) Bordering on lower

No specific comment.

Pathologist 14 High-grade papillary urothelial carcinoma (HG-PUC) Typical

With squamous features

Pathologist 15 High-grade papillary urothelial carcinoma (HG-PUC) Bordering on lower
Pathologist 16 Low-grade papillary urothelial carcinoma (LG-PUC) Typical
Pathologist 17 Low-grade papillary urothelial carcinoma (LG-PUC) Typical
Pathologist 18 High-grade papillary urothelial carcinoma (HG-PUC) Typical

images too dark
endophytic lesion

Pathologist 19 High-grade papillary urothelial carcinoma (HG-PUC) Typical
Pathologist 20 High-grade papillary urothelial carcinoma (HG-PUC) Typical
Pathologist 21 High-grade papillary urothelial carcinoma (HG-PUC) Typical

Squamous metaplasia

Pathologist 22 High-grade papillary urothelial carcinoma (HG-PUC) Bordering on lower
Pathologist 23 Low-grade papillary urothelial carcinoma (LG-PUC) Typical

Inverted growth pattern

Pathologist 24 High-grade papillary urothelial carcinoma (HG-PUC) Typical

a little bit more than 5% high grade



Case description (by case creator):

heterogenous tumor, atypia >5%
call it pTa HG