Table 1—

Diagnosis and yield of fine-needle aspiration biopsy (FNAB) and cutting-needle biopsy (CNB)

Final diagnosisDiagnostic FNAB and/or CNB
All155 (100)135 (87)
Malignant lesions133 (86)126 (95)
 Lung carcinoma114 (74)110 (96)
  Small cell carcinoma11 (7)11 (100)
  Adenocarcinoma37 (24)37 (100)
  Squamous cell carcinoma16 (10)16 (100)
  Undifferentiated carcinoma50 (32)46 (92)
 Sarcoma8 (5)8 (100)
 Lymphoma5 (3)2 (40)
 Mesothelioma2 (1)2 (100)
 Other malignant#4 (3)4 (100)
Benign lesions14 (9)9 (64)
 Fibrosis6 (4)2 (33)
 Tuberculosis6 (4)5 (83)
 Lipoma1 (1)1 (100)
 Wegener's granulomatosis1 (1)1 (100)
Undiagnosed8 (5)
  • Data are presented as n (%). #: Thymoma, carcinoid tumour, carcinoma with unknown primary, prostate cancer.