. Author manuscript; available in PMC: 2009 Jan 3.

Published in final edited form as: J Magn Reson Imaging. 2008 Apr;27(4):825–833. doi: 10.1002/jmri.21330

Table 2.

MRI and Pathological Axillary Lymph Nodes in ER Positive and Negative Patients

	ER positive	ER negative	P value
MRI Axillary Lymph Nodes
All Patients	11/51 (22%)	17/39 (44%)	< 0.05
Neoadjuvant Chemo Patients	5/13 (38%)	12/19 (63%)	0.28
Surgery Patients	6/38 (16%)	5/20 (25%)	0.48
Pathological Axillary Lymph Nodes (Surgery Patients Only)
Number of patients with positive nodes after axillary node dissection	6/12 (50%)	6/9 (67%)	0.66
Total number of positive lymph nodes / total lymph nodes removed	22/153	12/168	0.54
Number of patients with ratio of positive nodes to total removed nodes ≥ 25%	2/12	2/9	1.0