The sonographic findings of micropapillary pattern in pure mucinous carcinoma of the breast

Table 1 The clinical characteristics of the histologically proven MUMPC, cPMBC, and MMBC

Characteristics	MUMPC	cPMBC	MMBC	Total	Significance
Menopausal status					χ² = 0.284, p = 0.87
Premenopausal	9	26	18	87^a
Postmenopausal	7	17	10	87^a
Mass location					χ² = 0.423, p = 0.81
Right	8	20	11	88
Left	9	23	17	88
Palpation					F = 1.285, p = 1.00
Palpable	17	42	28	88
Nonpalpable	0	1	0	88
Tenderness					χ² = 2.045, p = 0.36
Positive	2	12	8	87^b
Negative	15	30	20	87^b
LNM					χ² = 25.884, p < 0.001
Positive	3	3	17	80^c
Negative	13	35	9	80^c

F Fisher’s exact test
^aThe man patient was excluded
^bOne of the masses was not palpable
^cThe pathological findings of axillary lymph nodes of eight patients were not acquired

ISSN: 1477-7819