DCIS Flashcards
1
Q
Who needs radiation referral for DCIS
A
Those who undergo breast conservation therapy
2
Q
What is negative margin
A
For invasive tumor- no ink at margin
Classic LCIS- margin positive is not an indication for re-excision
DCIS- margin should be 2mm (DCIS + microinvasion - should be considered as DCIS)
3
Q
Who has highest risk of recurrence after Breast conservation surgery
A
Grade 3 tumor which are >1cm lesion
4
Q
Role of Tamoxifen in post surgical resection
A
To prevent recurrence in the “Residual” tissue
5
Q
Patient with bilateral mastectomy for DCIS. Give tamoxifen/ AI?
A
No
6
Q
NSABP B-34 and 35 showed OS benefit?
A
Adding Tamoxifen or AI to treatment strategy only increases PFS
7
Q
Goal of Surgery.
A
All micro-calcification should go
Should obtain negative margin
