K59 | Prostate cancer grading

Case ID: 600

Publication date: 22 Apr, 2026

Consensus grade: GS 3+3=6 (ISUP 1)

User	Diagnosis	Difficulty	Comment
Pathologist 1	GS 3+3=6 (ISUP 1)	Typical
Pathologist 2	GS 3+3=6 (ISUP 1)	Typical
Pathologist 3	GS 3+3=6 (ISUP 1)	Borderline higher
Pathologist 4	GS 3+3=6 (ISUP 1)	Typical
Pathologist 5	GS 3+3=6 (ISUP 1)	Typical
Pathologist 6	GS 3+3=6 (ISUP 1)	Borderline lower
Pathologist 7	GS 3+3=6 (ISUP 1)	Typical
Pathologist 8	GS 3+3=6 (ISUP 1)	Borderline higher
Pathologist 9	GS 3+3=6 (ISUP 1)	Typical
Pathologist 10	GS 3+3=6 (ISUP 1)	Typical	discrete glands
Pathologist 11	GS 3+3=6 (ISUP 1)	Typical
Pathologist 12	GS 3+3=6 (ISUP 1)	Typical
Pathologist 13	GS 3+3=6 (ISUP 1)	Typical
Pathologist 14	GS 3+3=6 (ISUP 1)	Borderline lower
Pathologist 15	GS 3+3=6 (ISUP 1)	Typical
Pathologist 16	GS 3+3=6 (ISUP 1)	Typical
Pathologist 17	GS 3+3=6 (ISUP 1)	Typical
Pathologist 18	GS 3+3=6 (ISUP 1)	Typical
Pathologist 19	GS 3+3=6 (ISUP 1)	Typical
Pathologist 20	GS 3+3=6 (ISUP 1)	Typical	does not require more, glands are well formed
Pathologist 21	GS 3+3=6 (ISUP 1)	Typical
Pathologist 22	GS 3+3=6 (ISUP 1)	Typical
Pathologist 23	GS 3+3=6 (ISUP 1)	Typical

Case description (by case creator):

Pure GP3 case. All glands are very well-formed.

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