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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Pancreas. 2014 Apr;43(3):331–337. doi: 10.1097/MPA.0000000000000061

Table 2. Imaging procedures performed on patients with SPN.

This table demonstrates the total number of papers in which imaging studies were reported. Below this, the total number of imaging studies reported is provided, followed by the type of study performed. Some patients may have had more than 1 imaging study reported.

All years 1961-1999 2000-2012
Number of papers, n 420 123 297
Total number of imaging studies, n 3,544 312 3,232
Imaging modality
 Computed tomography (CT), n (%) 1,732 (48.9) 176 (56.4) 1,556 (48.1)
 Transabdominal ultrasound (TAUS), n (%) 1,225 (34.6) 114(36.5) 1,111 (34.4)
 Magnetic resonance imaging (MRI), n (%) 457 (12.9) 20 (6.4) 437 (13.5)
 Endoscopic ultrasound (EUS), n (%) 130 (3.6) 2 (0.7) 128 (4.0)