The prospective multicenter observational study of tissue acquisition by endoscopic ultrasound-guided fine-needle aspiration using the 25-gauge Franseen needle - The prospective multicenter observational study of tissue acquisition by endoscopic ultrasound-guided fine-needle aspiration using the 25-gauge Franseen needle

The patients were 57 males and 43 females with a median age of 70 years. The technical success rate was 100 %. The tissue acquisition rate at the first pass was 95.0 % and the acquisition rate of an adequate specimen for histological assessment was 82.0 %. The sensitivity, specificity, PPV, NPV and diagnostic accuracy were 87.0 %, 100 %, 100 %, 40.0 % and 88.0 %, respectively. The adverse event rate was 1.0 %, the detail of which was 1 moderate pancreatic fistula.