Case ID: 60

Publication date: 22 Sep, 2015

Consensus grade: Carcinoma in situ (CIS)

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
Pathologist 5 Carcinoma in situ (CIS) Typical
Pathologist 6 Carcinoma in situ (CIS) Typical
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) Borderline lower
Pathologist 11 Carcinoma in situ (CIS) Typical
Pathologist 12 Carcinoma in situ (CIS) Typical

No specific comment.

Pathologist 13 Carcinoma in situ (CIS) Typical
Pathologist 14 Carcinoma in situ (CIS) Typical
Pathologist 15 Carcinoma in situ (CIS) Typical
Pathologist 16 Carcinoma in situ (CIS) Bordering on lower
Pathologist 17 Reactive atypia Bordering on higher

? BK virus

Pathologist 18 Carcinoma in situ (CIS) Typical

von Brunn nest involvement

Pathologist 19 Carcinoma in situ (CIS) Typical
Pathologist 20 Carcinoma in situ (CIS) Typical
Pathologist 21 Carcinoma in situ (CIS) Typical
Pathologist 22 Carcinoma in situ (CIS) Typical


Case description (by case creator):

61 year old man. Haematuria. Has papillary lesion elsewhere in bladder. Diagnosis = urothelial carcinoma in situ.