Table 2 Tumor characteristics of patients with pulmonary sclerosing pneumocytoma
Characteristics | PSP surgery group (N = 80) | PSP non-surgery group (N = 27) | Total (N = 107) | P |
|---|---|---|---|---|
Initial department | 0.001 | |||
Pulmonology | 43 (53.8) | 25 (92.6) | 68 (63.6) | |
Thoracic Surgery | 37 (46.2) | 2 (7.4) | 39 (36.4) | |
Symptom | 0.617 | |||
No symptom | 60 (75.0) | 25 (92.6) | 85 (79.4) | |
Cough | 9 (11.2) | 1 (3.7) | 10 (9.3) | |
Hemoptysis | 3 (3.8) | 0 (0.0) | 3 (2.8) | |
Chest discomfort/pain | 5 (6.2) | 1 (3.7) | 6 (5.6) | |
Sputum | 5 (6.2) | 0 (0.0) | 5 (4.7) | |
Dyspnea | 4 (5.0) | 0 (0.0) | 4 (3.7) | |
Fever | 1 (1.2) | 0 (0.0) | 1 (0.9) | |
Tumor size (cm) | 2.0 (1.3–2.0) | 1.7 (1.5–2.3) | 1.9 (1.5–2.5) | 0.541 |
Tumor size | 0.334 | |||
< 1 cm | 6 (7.5) | 0 (0.0) | 6 (5.6) | |
1–2 cm | 37 (46.2) | 16 (59.3) | 53 (49.5) | |
2–3 cm | 24 (30.0) | 9 (33.3) | 33 (30.8) | |
3–4 cm | 12 (15.0) | 1 (3.7) | 13 (12.1) | |
4–5 cm | 3 (3.8) | 0 (0.0) | 3 (2.8) | |
≥ 5 cm | 2 (2.5) | 1 (3.7) | 3 (2.8) | |
Tumor location | 0.405 | |||
Right upper lobe | 6 (7.5) | 4 (14.8) | 10 (9.3) | |
Right middle lobe | 19 (23.8) | 8 (29.6) | 27 (25.2) | |
Right lower lobe | 15 (18.8) | 7 (25.9) | 22 (20.6) | |
Left upper lobe | 15 (18.8) | 3 (11.1) | 18 (16.8) | |
Left lower lobe | 27 (33.8) | 5 (18.5) | 32 (29.9) | |
Tumor Number | 0.570 | |||
Single | 76 (95.0) | 27 (100.0) | 103 (96.3) | |
Two | 4 (5.0) | 0 (0.0) | 4 (3.7) | |
Initial diagnostic methods | < 0.001 | |||
Percutaneous needle biopsy | 24 (30.0) | 27 (100.0) | 51 (47.7) | |
Surgery | 53 (66.2) | 0 (0.0) | 53 (49.5) | |
Bronchoscopic biopsya | 3 (3.7) | 0 (0.0) | 3 (2.8) | |
Surgery methods (only for surgery group) | ||||
Pneumonectomy | 0 (0.0) | |||
Lobectomy | 24 (30.0) | |||
Segmentectomy | 12 (15.0) | |||
Wedge resection | 44 (55.0) | |||
Enucleation | 1 (1.2) | |||
Lymph node enlargement on CT | 6 (7.5) | 1 (3.7) | 7 (6.5) | 0.676 |
Lymph node dissection during surgery (only for surgery group) | 38 (47.5) | |||
Lymph node metastasis (only for surgery group) | 0 (0.0) | |||
Distant metastasis | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
Recurrence | 0 (0.0) | 0 (0.0) | 0 (0.0) | |