A paper that compared two gauges of needles to take samples of pancreatic masses has been retracted after authors unintentionally included patients from another trial.
“Randomized Trial Comparing the Flexible 19G and 25G Needles for Endoscopic Ultrasound-Guided Fine Needle Aspiration of Solid Pancreatic Mass Lesions,” published a year ago in Pancreas, notes that:
A total of 100 patients with solid pancreatic mass lesions constituted the study cohort and were randomized equally to the 2 needle groups.
The problem? According to the retraction note, some of those patients weren’t supposed to be included:
Continue reading Oops! Authors accidentally include extra patients in biopsy paper