Table 4 Features of the 37 fatty tumors

Number of patients, n (%)

37

27 (73)

10 (27)

–

Males/Females, n (%)

17/20 (45.9/54.1)

12/15 (44.4/55.5)

5/5 (50/50)

0.76

Age, y, mean ± SD

56.2 (range 27–86)

53.9 ± 14.9

62.2 ± 14.5

0.14

Location: deep/superficial, n (%)

32/5 (86.5/13.5)

23/4 (85.2/14.8)

9/1 (90/10)

0.70

Maximum diameter, mm, median (IQR)

105 (71–168)

82 (54–104)

165 (125–198)

0.017

Distance from the skin, mm, median (IQR)

11 (7–13)

11 (6–13)

14 (10–14)

0.29

Well-defined margins, yes/no, n (%)

34/3 (91.9/8.1)

24/3 (88.9/11.1)

10/0 (100/0)

0.27

Multilobular, yes/no, n (%)

7/30 (18.9/81.1)

6/21 (22.2/77.8)

1/9 (10/90)

0.40

Necrosis, yes/no, n (%)

5/32 (13,5/86,5)

4/23 (14.8/85.2)

1/9 (10/90)

0.59

Echotexture hypoechoic, n (%)

5/32 (13,5/86,5)

3/24 (11.1/88.9)

2/8 (20/80)

0.41

Elastography, kPa, median (IQR)

14.9 (9.6–17.2)

16.9 (11.5–19.2)

11.3 (5.9–16.0)

0.09

T/F^*, median (IQR)

1.4 (0.4–2.1)

1.6 (0.9–2.5)

0.9 (0.3–1.7)

0.09