Table 1. Classification of the Articles According to the Number and Type of Patients, Type of Investigation, and Type of Study [3-5, 7, 9-14].
| Author | No. of subjects | Type of subjects | Type of investigation | Type of article |
|---|---|---|---|---|
| Filippo et al [3] | 350 | Living patient | MRCP | Prospective study |
| Adibelli et al [4] | 1,158 | Living patient | MRCP | Retrospective cohort study |
| Bulow et al [5] | 927 | Healthy volunteers | Stimulating MRCP | Prospective study |
| Bang et al [7] | 582 | Living patient | ERCP | Retrospective cohort study |
| Kamisawa et al [9] | 256/3,210* | Living patient | ERCP | Retrospective cohort study |
| Shahriah et al [10] | 65 | Cadaver | Autopsy of specimens | Prospective study |
| Kim HJ et al [11] | 4,097/10,243* | Living patient | ERCP | Multicenter retrospective cohort study |
| Oracz et al [12] | 300 | Living patient | Medical records (non specified) | Retrospective cohort study |
| Uomo et al [13] | 485/650* | Living patient | ERCP | Retrospective cohort study |
| Prasanna et al [14] | 40 | Cadaver | Autopsy of specimens | Prospective study |
*Only some of the patients included in the article were suitable for imaging of the pancreatic duct system. ERCP: endoscopic retrograde cholangiopancreatography; MRCP: magnetic resonance cholangiopancreatography.