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. 2019 Oct 1;7(10):E1281–E1287. doi: 10.1055/a-0990-9611

Table 1. Demographics of PanNETs in those undergoing EUS-FNA and EUS-FNB.

Variable FNA group FNB group P
N 35 26 –
Mean age (years) 55.2 56.2 0.80
Sex 0.61

  • Male

 20 13

  • Female

 15 13
Mean lesion size (mm + /- standard error) 25.7 (3.1) 32.5 (3.6) 0.16
Lesion location 0.39

  • Head

 11 12

  • Body

  6  5

  • Tail

 19  9
Lesion morphology 0.015

  • Solid

 21 23

  • Cystic

  8  0

  • Mixed

  6  3
Median number of needles passes (IQR)  2.5 (1.0 – 3.0)  3.0 (2.0 – 4.0) 0.14
Median number of days from EUS to surgery (IQR) 79.0 (50.5 – 125.5) 65.5 (48.0 – 99.0) 0.37

PanNET, pancreatic neuroendocrine tumor; EUS-FNA, endoscopic ultrasound-guided fine-needle aspiration; EUS-FNB, endoscopic ultrasound-guided fine-needle biopsy; IQR, interquartile range.