Table 1.

Literature review of selected studies of microinvasive ductal carcinoma in situ in patients who had sentinel lymph node biopsy

Reference	Year	Total no. of patients with axillary staging	Patients submitted to SLNB	Type of metastasis (AJCC criteria)			SLNB positivity (%)
				ITCs	Micro	Macro
Without defined SLNB status
Cox et al.11	2001	15	15	n.s.	n.s.	n.s.	3 (20)
Camp et al.10	2005	13	13	n.s.	n.s.	n.s.	2 (15)
Wilkie et al.29	2005	51	51	5	n.s.	n.s.	7 (14)
Tunon-de-Lara et al.28	2008	45	45	0	n.s.	n.s.	2 (4)
Fortunato et al.12	2008	77	77	n.s.	n.s.	n.s.	6 (8)
Vieira et al.6	2010	17	14	n.s.	n.s.	n.s.	1 (6)
Parikh et al24	2012	46	4	n.s.	n.s.	n.s.	1 (2)
With defined SLNB status
Zavotsky et al.31	1999	14	14	1	0	1	2 (14)
Klauber-DeMore et al.19	2000	31	31	0	2	1	3 (10)
Intra et al.16	2003	41	41	0	2	2	4 (10)
Katz et al.18	2006	21	21	0	1	1	2(10)
Leidenius et al.21	2006	11	11	1	0	0	1 (9)
Zavagno et al.30	2007	43	43	0	1	3	4 (9)
Gray et al.13	2007	79	77	2	2	2	6 (8)
Guth et al.14	2008	44	20	2	0	3	5 (11)
Sakr et al.27	2008	20	20	0	2	0	2 (10)
Lyons et al.7	2012	112	112	6	5	3	14 (12·5)
Ko et al.20	2012	293	180	6	12	4	22 (7·5)
Kapoor et al.17	2013	45	31	4	4	1	9 (20)
Margalit et al.22	2013	68	53	4	3	0	7 (10)
Matsen et al.23	2014	414	414	0	26	6	32 (7·7)
Hanna et al.15	2014	81	64	2	0	0	2 (2)
Orzalesi et al.4	2016	126	126	10	3	5	18 (14·3)

Values in parentheses are percentages. SLNB, sentinel lymph node biopsy; ITC, isolated tumour cell; micro, micrometastases; macro, macrometastases; n.s., not stated.