Bottom Line Diagnostic reproducibility in the range of intraductal proliferative lesions is poor Even amongst breast pathology experts Even when specific.

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Presentation transcript:

Bottom Line Diagnostic reproducibility in the range of intraductal proliferative lesions is poor Even amongst breast pathology experts Even when specific criteria are used Particularly in the ADH/limited LG-DCIS realm Significance on the core of ADH vs DCIS has fewer management implications than UDH vs ADH. Still rely heavily on morphology alone. Deepers, IHC can sometimes help. So if in doubt, send it out! Or share. Sometimes reassuring just to have another pair of eyes on it. I have the luxery of being able to walk down the hall to someone’s office. Not everyone has that, but helpful to share it around.

Post-quiz Classic images from the textbooks.

1. UDH

2. ADH 0.1 cm

3. ADH

4. UDH

5. FEA

6. CCC

UDH

Answers Pre-quiz Post-quiz 1. UDH 2. ADH 3. DCIS 4. FEA 5. UDH 1. UDH 2. ADH 3. ADH 4. UDH 5. FEA 6. CCC