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Case ID: 214

Publication date: 04 May, 2024

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) Typical
Pathologist 11 Carcinoma in situ (CIS) Typical
Pathologist 12 Carcinoma in situ (CIS) Typical
Pathologist 13 Carcinoma in situ (CIS) Typical
Pathologist 14 Carcinoma in situ (CIS) Typical
Pathologist 15 Carcinoma in situ (CIS) Typical
Pathologist 16 Atypia/dysplasia Typical
Pathologist 17 Carcinoma in situ (CIS) Typical

No specific comment.

Pathologist 18 Carcinoma in situ (CIS) Typical
Pathologist 19 Carcinoma in situ (CIS) Typical
Pathologist 20 Carcinoma in situ (CIS) Typical
Pathologist 21 Carcinoma in situ (CIS) Typical


Case description (by case creator):

A 60-year-old man had atypical urothelial cells on urine cytology. Cystoscopy revealed several lesions in the bladder that were biopsied. He had a history of bladder urothelial CIS treated with intravesical BCG therapy and 3-month follow-up cystoscopies and cytologies were unremarkable.