Research Article

Radiological and Clinical Features and Outcomes of Patients with Primary Pulmonary Salivary Gland-Type Tumors

Table 1

Clinical features of SGT.

VariableNo. of patients (%)$
All patientsEMCMECACC

Age (years)41 ± 164335 ± 1548 ± 160.038

Sex0.285
 Male14 (43.8)09 (56.3)5 (33.3)
 Female18 (56.3)17 (43.7)10 (66.7)

Clinical symptom
 Cough17 (53.1)010 (62.5)7 (46.7)0.479
 Dyspnea13 (40.6)14 (25)8 (53.3)0.285
 Chest pain5 (15.6)05 (31.3)0 (0)0.043
 Hoarseness1(3.1)00(0)1(6.7)1.000
 Hemoptysis2 (6.3)02 (12.5)0 (0)1.000
 Blood-stained sputum1 (3.1)00 (0)1 (6.7)1.000
 Asymptomatic3 (9.4)02 (12.5)1 (6.7)1.000
 Dysphagia2 (6.3)00 (0)2 (14.3)1.000

Smoker1.000
 No30 (93.8)116 (100)13 (86.7)
 Yes2 (6.3)00 (0)2 (13.3)

TNM stage
 I22 (68.8)111 (68.8)10 (66.7)1.000
 II4 (12.5)03 (18.8)1 (6.7)1.000
 III4 (12.5)01 (6.3)3 (20)0.333
 IV2 (12.5)01 (6.3)1 (6.7)1.000

Treatment0
 Surgical24 (75)113 (81.2)10 (66.7)0.433
  Tracheal resection12 (37.5)13 (23.1)8 (80)0.066
  Lobectomy11 (34.4)09 (69.2)2 (20)0.023
  Wedge lobectomy1 (3.1)01 (7.8)0 (0)1.000
 Adjuvant therapy
  No10 (31.3)18 (50)1 (6.7)0.015
  Chemotherapy4 (12.5)02 (12.5)2 (13.3)1.000
  Radiotherapy18 (56.3)06 (40)12 (75)0.029

Resection margin0.019
 Negative17 (53.1)112 (92.3)4 (40)
 Positive7 (21.9)01 (7.7)6 (60)

MEC, mucoepidermoid carcinoma; ACC, adenoid cystic carcinoma; TNM, tumor-node-metastasis. $ values for comparisons between MEC and ACC for each variable.