Table 2 Clinical and pathologic characteristics of small pulmonary nodules for localization (N = 590).

From: A novel preoperative image-guided localization for small pulmonary nodule resection using a claw-suture device

Variables

n (%)

Total nodules

590

Size, diameter, cm, median (range)

0.7 (0.3–2.0)

 0–0.5

103 (17.5)

 0.6–1.0

412 (69.8)

 1.1–1.5

67 (11.3)

 1.6–2.0

8 (1.4)

Nodule characteristics

 GGO

474 (80.3)

 Solid

50 (8.5)

 Semisolid

66 (11.2)

Location

 Right upper lobe

188 (31.9)

 Right middle lobe

40 (6.8)

 Right lower lobe

129 (21.9)

 Left upper lobe

144 (24.4)

 Left lower lobe

89 (15.1)

Depth of nodule from visceral pleura, cm, median (range)

0.9 (0–6.0)

Resection

 Wedge resection

518 (87.8)

 Segmentectomy

67 (11.4)

 Lobectomy

5 (0.8)

Pathological diagnosis

Adenocarcinoma of the lung

 Adenocarcinoma in situ

93 (15.8)

 Minimally invasive adenocarcinoma

344 (58.3)

 Invasive adenocarcinoma

48 (8.1)

Mucinous adenocarcinoma

5 (0.8)

Squamous cell carcinoma

2 (0.3)

Primary lung carcinoid

1 (0.2)

Lymphoepithelioma-like carcinoma

1 (0.2)

Metastatic lesions

1 (0.2)

Benign lesions

 Fibrosis scar tissue

46 (7.8)

 Granuloma

24 (4.1)

 Hamartoma

4 (0.7)

 Lymphoid hyperplasia

11 (1.9)

 Atypical adenomatous hyperplasia

9 (1.5)

 Sclerosing hemangioma

1 (0.2)

  1. Data are expressed as n (%) unless otherwise indicated.
  2. GGO ground-glass opacity.