Skip to main content

Table 1 Lesion characteristics

From: Findings of virtual bronchoscopic navigation can predict the diagnostic rate of primary lung cancer by bronchoscopy in patients with peripheral lung lesions

 

All (n = 381)

Pathological diagnosis by bronchoscopy

Yes (n = 271)

No (n = 110)

Age (years)

71 [38–93]

71 [38–92]

71 [39–93]

Male sex

223

163 (60.1)

60 (54.5)

Lesion size (mm)

21 [6–111]

24 [7–111]

14.5 [6–55]

Lesion ≤ 20 mm

203

174 (64.2)

29 (26.4)

Lesion location

 Right upper lobe

126

88 (32.5)

38 (34.5)

  S1

 

33 (12.2)

11 (10.0)

  S2

 

32 (11.8)

15 (13.6)

  S3

 

23 (8.5)

12 (10.9)

 Right middle lobe

18

10 (3.7)

8 (7.3)

  S4

 

5 (1.8)

6 (5.5)

  S5

 

5 (1.8)

2 (1.8)

 Right lower lobe

80

59 (21.8)

21 (19.1)

  S6

 

25 (9.2)

11 (10.0)

  S7

 

2 (0.7)

1 (0.9)

  S8

 

14 (5.2)

2 (1.8)

  S9

 

9 (3.3)

3 (2.7)

  S10

 

9 (3.3)

4 (3.6)

 Left upper lobe

104

76 (27.7)

28 (25.5)

  S1 + 2

 

37 (13.7)

17 (15.5)

  S3

 

21 (7.7)

10 (9.1)

  S4

 

11 (4.1)

1 (0.9)

  S5

 

7 (2.6)

0

 Left lower lobe

53

38 (14.0)

15 (13.6)

  S6

 

16 (5.9)

6 (5.5)

  S8

 

7 (2.6)

2 (1.8)

  S9

 

10 (3.7)

3 (2.7)

  S10

 

5 (1.8)

4 (3.6)

Structure

GGN

117

64 (23.6)

53 (48.2)

Solid

264

207 (76.4)

57 (51.8)

CT bronchus sign

 Present

245

213 (78.6)

32 (29.1)

  Distance by VBN (mm)

0.53 [0–33.6]

0.79 [0.02–23.77]

 Absent

136

58 (21.4)

78 (70.9)

  Distance by VBN (mm)

4.92 [0.04–27.8]

9.12 [0.01–44.66]

EBUS-GS image

 Within

180

169 (62.4)

11 (10)

 Adjacent to

82

62 (22.9)

20 (18.2)

 Invisible

119

40 (14.8)

79 (71.8)

Diagnosis

 Adenocarcinoma

275

210 (77.5)

65 (59.1)

 Squamous cell carcinoma

48

35 (12.9)

13 (11.8)

 Small cell carcinoma

19

15 (5.5)

4 (3.6)

 Atypical carcinoid

4

3 (1.1)

1 (0.9)

 Adenosquamous carcinoma

3

3 (1.1)

0

 Non-small cell carcinoma

2

1 (0.4)

1 (0.9)

 Large cell carcinoma

1

0

1 (0.9)

 Mucoepidermoid

1

1 (0.4)

0

 Neuroendocrine tumour

2

2 (0.7)

2 (1.8)

 Pleomorphic carcinoma

1

1 (0.4)

0

 Unknown

25

0

25 (22.7)

Distance by VBN (mm)

1.17 [0–44.66]

0.73 [0–33.69]

3.78 [0.01–44.66]

  1. Unless indicated otherwise, data are given as the median [range] or n (%). The distance by VBN refers to the distance between the edge of the lesion and the nearest bronchus, automatically calculated by virtual bronchoscopic navigation (VBN)
  2. EBUS-GS endobronchial ultrasonography using a guide sheath, GGN ground-glass nodules