Distinguishing Lymphomatous and Cancerous Lymph Nodes in 18F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography by Radiomics Analysis
Table 2
Partial imaging parameters and patient characteristics of the lymph nodes.
Partial imaging parameters
In training set
SUVmax (std)
TLG (std)
Mean CT value (std)
Long diameter (std)
Short diameter (std)
LLN
13.15 (7.25)
187.93 (193.75)
38.05 (13.21)
37.36 (23.55)
26.58 (17.49)
CLN
7.41 (3.34)
16.01 (18.87)
46.16 (10.78)
19.34 (12.18)
14.31 (9.64)
HHLN
11.17 (6.02)
153.50 (331.67)
39.83 (14.56)
34.49 (23.09)
23.87 (16.22)
NHLLN
11.88 (6.73)
146.77 (278.70)
43.23 (11.76)
35.79 (25.68)
24.98 (17.23)
In test set
SUVmax (std)
TLG (std)
Mean CT value (std)
Long diameter (std)
Short diameter (std)
LLN
11.47 (5.81)
174.50 (97.62)
45.40 (35.93)
31.83 (19.23)
20.70 (12.08)
CLN
7.22 (3.61)
12.46 (12.11)
49.05 (12.70)
20.38 (11.37)
14.76 (7.89)
HHLN
11.80 (6.70)
162.99 (293.35)
38.58 (11.65)
38.678 (27.16)
26.79 (20.34)
NHLLN
12.54 (7.45)
167.87 (309.20)
40.73 (7.94)
39.03 (26.18)
27.38 (21.28)
Patient characteristics of the lymph nodes
In training set
LLN
CLN
HHLN
NHLLN
Age (std)
49.23 (18.77)
54.63 (13.25)
47.90 (19.03)
51.73 (16.51)
Gender (%)
Man
167 (63.98)
57 (68.67)
52 (64.2)
116 (64.8)
Women
94 (36.02)
26 (31.33)
29 (35.8)
63 (35.2)
Stage (%)
I
9 (3.45)
0 (0)
4 (4.94)
5 (2.79)
II
134 (51.34)
29 (34.94)
46 (56.79)
79 (44.13)
III
80 (30.65)
38 (45.78)
21 (25.93)
68 (37.99)
IV
38 (14.56)
16 (19.28)
10 (12.35)
27 (15.08)
In test set
LLN
CLN
HHLN
NHLLN
Age (std)
46.34 (16.89)
56.54 (11.77)
46.55 (18.63)
53.08 (15.85)
Gender (%)
Man
68 (60.71)
25 (69.44)
21 (60)
48 (62.34)
Women
44 (39.29)
11 (30.56)
14 (40)
29 (37.66)
Stage (%)
I
5 (4.46)
2 (5.56)
5 (14.29)
0 (0)
II
70 (62.5)
9 (25)
17 (48.57)
43 (55.84)
III
27 (24.11)
10 (27.78)
9 (25.71)
29 (37.66)
IV
10 (8.93)
13 (36.11)
4 (11.43)
5 (6.49)
This part of the data was analyzed based on lymph nodes rather than of patients. Abbreviations: LLN, lymphomatous-lymph nodes; CLN, cancerous-lymph nodes; HLLN, LLN caused by Hodgkin’s lymphoma; NHLLN, LLN caused by non-Hodgkin’s lymphoma.
