Table 1 Selected participant responses

From: Variability in diagnostic threshold for comedo necrosis among breast pathologists: implications for patient eligibility for active surveillance trials of ductal carcinoma in situ

“Drs. X and Y taught me that comedo necrosis is a type of necrosis and should be called irrespective of the size of the necrotic material”.

“Image 1 is focal comedo necrosis”.

“In my view, the term comedo should be only be applied in DCIS that has BOTH high nuclear grade AND necrosis regardless of the amount in any specific duct space”.

“We don’t use the term comedo necrosis. We quantify as minimal, moderate, marked”.

“I don’t use the term comedo because of the lack of quantitative criteria…slightly favor 6 over 5”.

“I would call comedo necrosis at 5, but for lesser amounts I would be more likely to call ‘comedo’ if there were multiple ducts involved”.

“I think 4, but if there were a bunch of 3 ducts I might end up bumping it up”.

“I am torn between 2 and 3; however, since the circles are centrally located (and that seems to matter to me greatly in this decision) I am going to pick image 2”.

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