Case ID: 73

Publication date: 01 Oct, 2015

Consensus grade: Carcinoma in situ (CIS)

User Diagnosis Difficulty Comment
Pathologist 1 Carcinoma in situ (CIS) Typical
Pathologist 2 Carcinoma in situ (CIS) Borderline higher
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) Typical
Pathologist 11 Reactive atypia Borderline higher
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) Typical
Pathologist 17 Carcinoma in situ (CIS) Bordering on higher
Pathologist 18 Carcinoma in situ (CIS) Typical
Pathologist 19 Carcinoma in situ (CIS) Bordering on higher

pagetoid

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):

Bladder biopsies, male 66 “previous high grade T1”.

Diagnosis = urothelial carcinoma in situ, in places not involving full surface epithelial thickness; in places it has a clustered and almost Pagetoid pattern within the surface urothelium.