6296 | Bladder Flat Lesions

Case ID: 422

Publication date: 12 Feb, 2025

Consensus grade: Carcinoma in situ (CIS)

Show diagnosis by expert panel members

User	Diagnosis	Difficulty	Comment
Pathologist 1	Carcinoma in situ (CIS)	Typical
Pathologist 2	Carcinoma in situ (CIS)	Typical
Pathologist 3	Carcinoma in situ (CIS)	Typical
Pathologist 4	Carcinoma in situ (CIS)	Typical	No specific comment.
Pathologist 5	Carcinoma in situ (CIS)	Borderline higher
Pathologist 6	Carcinoma in situ (CIS)	Borderline lower
Pathologist 7	Carcinoma in situ (CIS)	Typical
Pathologist 8	Carcinoma in situ (CIS)	Typical
Pathologist 9	Carcinoma in situ (CIS)	Typical
Pathologist 10	Carcinoma in situ (CIS)	Typical
Pathologist 11	Carcinoma in situ (CIS)	Typical
Pathologist 12	Carcinoma in situ (CIS)	Typical
Pathologist 13	Carcinoma in situ (CIS)	Borderline higher
Pathologist 14	Carcinoma in situ (CIS)	Typical
Pathologist 15	Carcinoma in situ (CIS)	Typical
Pathologist 16	Atypia/dysplasia	Borderline higher	nuclei not large enough
Pathologist 17	Carcinoma in situ (CIS)	Typical
Pathologist 18	Carcinoma in situ (CIS)	Typical
Pathologist 19	Carcinoma in situ (CIS)	Typical

Case description (by case creator):

Prominent loss of cohesion of highly atypical urothelial cells

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