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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Clin Imaging. 2015 Jul 26;40(1):125–129. doi: 10.1016/j.clinimag.2015.07.026

Table 2.

Comparisons of DCE MRI features in low risk (VNPC 1) vs. high risk (VNPC 2, 3) DCIS lesions.

DCE Parameter Low Risk DCIS
mean ± SD or
N (%)		 High Risk DCIS
mean ± SD or N
(%)		 P value
Morphology
 Non mass enhancement (NME)
 Mass
N = 7 (87%)
N = 1 (13%)
N = 23 (82%)
N = 5 (18%)		 1.00
Maximum Lesion Size (mm) 18.3 ± 15.1 33.7 ± 26.5 0.08
Kinetic Features†
 Peak initial enhancement (%)

 Worst curve type
  Persistent
  Plateau
  Washout
194.6 ± 59.2


N = 0 (0%)
N = 0 (0%)
N = 7 (100%)
207.0 ± 97.5


N = 0 (0%)
N = 0 (0%)
N = 28 (100%)
0.73


NA

Abbreviations: DCE: dynamic contrast enhanced, VNPC: Van Nuys Pathological Classification, DCIS: ductal carcinoma in situ, NA: not applicable

P values calculated by ordinal logistic regression