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Table 2 Detailed characteristics of seven patients with grade IV or V for histological results

From: Efficacy of TB-PCR using EBUS-TBNA samples in patients with intrathoracic granulomatous lymphadenopathy

Characteristics Patient number
  1 2 3 4 5 6 7
Sex Female Male Male Female Female Female Female
Age, years 65 78 27 73 63 33 56
Number of LN involved per patienta 3 3 3 2 4 8 4
Number of LN examined per patient 1 2 1 2 2 2 1
Number of needle pass per LN 6 4 and 2 4 3 and 3 2 and 2 6 and 2 1
Number of tissue core achieved per LN 2 0 and 2 1 1 and 2 2 and 2 1 and 1 0
Stations of LN punctured 7 7 and 11R 4R 4R and 10R 2R and 4R 4R and 7 4R
Shortest diameter of LN punctured, mm 10.6 13.0 and 15.0 32.4 18.9 and 12.2 14.6 and 10.5 17.2 and 12.6 15.7
Results of EBUS-TBNA samples        
 Acid-fast bacilli smear Negative Negative Negative Negative Negative Negative Negative
 Acid-fast bacilli culture Negative Negative Negative Negative Negative Negative Negative
 TB-PCR Not detected MTB detected MTB detected MTB detected Not detected Not detected MTB detected
Histological grade IV IV IV IV V V V
Mediastinoscopy Performed Not performed Not performed Not performed Performed Not performed Not performed
Final diagnosis Sarcoidosis TBL TBL TBL TBL Sarcoidosisb TBL
  1. aLymph nodes with the shortest diameter ≥ 10 mm on an axial CT scan
  2. bPatient 6 was clinically diagnosed with sarcoidosis based on radiological and laboratory results after more than 12 months of follow-up
  3. LN, lymph node; EBUS-TBNA, endobronchial ultrasound-guided transbronchial needle aspiration; TB-PCR; polymerase chain reaction for Mycobacterium tuberculosis; MTB, Mycobacterium tuberculosis; TBL, tuberculous lymphadenitis