Table 2: Case series and retrospective studies reported in literature.

Author

Year

Study type

N. patients

Mean age (range)

Only breast

N+ (%)

M1 (%)

ER+

PR+

Her2+

CrA+

Syn+

Mast

BCS

No surgery

Adj RT

Adj CHT

Adj OT

Mean FUP (range)

Papotti[122]

1992

CS*

4

56

(41-64)

25,00%

75,00%

50,00%

NA

NA

NA

NA

NA

100,00%

0,00%

0,00%

25,00%

25,00%

25,00%

20,5(9-44)

Shin[123]

2000

CS*

9

55,4

(43-70)

44,44%

55,56%

0,00%

66,67%

55,56%

0,00%

44,44%

44,44%

33,33%

66,67%

0,00%

44,44%

77,78%

0,00%

20,3(3-35)

Zekioglu[124]

2003

CS**

12

65,0

(43-49)

91,67%

8,33%

0,00%

91,67%

91,67%

16,67%

41,67%

91,67%

50,00%

50,00%

0,00%

NA

NA

NA

24,1(1-54)

Bonet[125]

2008

CS**

7

61,3

(35-88)

57,14%

42,86%

NA

100,00%

100,00%

14,29%

0%

100%

71,43%

14,29%

14,29%

28,57%

28,57%

100,00%

51,64(2, 7-115,5)

Tian[126]

2011

Ret**

74

61

(29-82)

52,70%

41,89%

8,11%

95,00%

80,00%

9,00%

NA

NA

40,54%

57,81%

17,27%

NA

NA

NA

46,92

(0-260)

Kanat[127]

2011

CS**

7

43,8

(29-56)

14,29%

85,71%

28,57%

28,57%

28,57%

0,00%

57,14%

100%

85,71%

14,29%

0,00%

71,43%

85,71%

28,57%

22,4(9-48)

Kawasaki[128]

2011

Ret**

27

47,8

(28-74)

95,83%

4,17%

0,00%

100,00%

100,00%

54,17%

NA

NA

37,50%

62,50%

0,00%

NA

NA

NA

83,7    (64-101)

Zhang[129]

2013

Ret**

107

65

(25-95)

NA

NA

NA

94,39%

85,05%

2,80%

NA

NA

NA

NA

NA

NA

NA

NA

27†

(3-134)

Wu[130]

2012

Ret**

13

55,4

(36-78)

92,31%

7,69%

7,69%

100,00%

100,00%

0,00%

69,23%

30,77%

100,00%

0,00%

0,00%

NA

NA

100,00%

67,5 (41-89)

Rovera[131]

2013

Ret**

96

70,1

(40-94)

NA

NA

NA

90,00%

75,00%

1,04%

NA

NA

30,21%

31,25%

36,46%

48,00%

5,00%

75,00%

88†

(4-242)

Zhu[132]

2013

Ret**

22

52,5

(29-77)

NA

NA

NA

90,91%

95,00%

25,00%

95,00%

14,29%

68,18%

31,82%

0,00%

0,00%

63,64%

90,91%

64,5

(4-89)

Charfi[133]

2013

Ret***

15

62,3

(37-78)

73,33%

26,67%

0,00%

80,00%

93,33%

0,00%

73,33%

6,67%

80,00%

20,00%

0,00%

86,67%

46,67%

60,00%

40,14    (3-125)

Cloyd[134]

2014

Ret***

284

NA

43,40%

36,20%

20,40%

46,5%

35,6%

NA

NA

NA

35,20%

36,60%

27,80%

41,50%

NA

NA

NA

Jeon[135]

2014

Ret***

11

54,7

(29-79)

NA

NA

NA

100,00%

100,00%

0,00%

54,55%

0,00%

36,36%

63,64%

0.00%

NA

NA

NA

38,6

(21-76)

Roininen[136]

2017

Ret***

43

66 (NA)

55,8%

39,53%

9,3%

97,70%

86,10%

4,70%

69,80%

0,00%

58,20%

39,60%

2,27%

74,40%

34,09%

75,00%

NA

Headings: Ret = retrospective; CS = Case Series;
*Previous to 2003 criteria, ** According to 2003 criteria, *** According to WHO 2012 criteria
†Median follow-up