A Ki67 index is only as useful as the tissue it came from. When a tumour is multifocal or has metastasised, clinicians reading the report cannot tell whether the grade reflects the primary, a node or a deposit.
State in the report which block and which lesion were stained, and whether other sites were assessed. It makes the grade reproducible and lets the next pathologist or oncologist judge it.
- Record the block number and lesion type (primary, node, deposit) for each Ki67.
- If several sites were stained, give each index.
- Say whether the count was manual or digital.
Why it matters
The grade drives treatment decisions, and a clinician cannot tell where it came from unless the report says so.
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