Sentinel Lymph Node Biopsy in Pure DCIS: Is It Necessary?
Table 1
Univariate analyses for predicting factors associated with the presence of sentinel lymph node biopsy (SLNB) in patients with pure ductal carcinoma in situ (DCIS).
Factors
Use of SLNB (+) (%) ()
value
Age:
0.611
β<50 () versus β₯50 ()
18 (60%) versus 22 (66.7%)
Palpable mass*:
0.017
β (β) versus (+)
23 (44.2%) versus 16 (88.9%)
Tumor size:
0.006
ββ€30βmm () versus >30βmm β()
20 (50%) versus 20 (87%)
Comedo necrosis*:
0.026
βpresent () versus absent β ()
24 (77.4%) versus 12 (46%)
Nuclear grade*:
0.012
βlow () versus intermediate and βhigh ()
5 (33.3%) versus 25 (73.5%)
Type of surgery:
0.001
βbreast conservation () versus βmastectomy ()
13 (41.9%) versus 27 (84.4%)
Multifocality/multicentricity:
0.182
β (β) () versus (+) ()
21 (75%) versus 19 (55.9%)
Estrogen receptor status*:
0.622
β (+) () versus (β) ()
17 (81%) versus 5 (71.4%)
Progesteron receptor status*:
0.634
β (+) () versus (β) ()
15 (83.3%) versus 7 (70%)
HER2/neu*:
0.364
β (IHC 3+) or FISH (+) () versus βββother ()