Table 3. Classification of Patients According to the Type of the Pancreatic Duct Course and Configuration [3-5, 7, 9-14].
| Author | No. of subjects examined | Type 1 | Type 2 | Type 3 | Type 4 | Type 5 | Other specific types of anomalies |
|---|---|---|---|---|---|---|---|
| Adibelli et al [4] | 1,158 | 521 (45%) | 42 (3.6%) | 528 (45.6%) | 54 (4.6%) | 13 (1.2%) | No annular pancreas, agenesis, hypoplasia, dorsal pancreas, accessory lobe, 2APBU (0.17%)∧ |
| Bulow et al [5] | 927 | 209 (22.5%) | 45 (4.8%)+ | 584 (63%) | 89 (9.6%) | - | - |
| Shahriah et al [10] | 65 | 5 (7.69%) | 3 (4.6%) | 47 (72.3%) | 9 (13.8%) | - | 1 duct in 3d papilla |
| Bang et al [7] | 582 | 531 (91,2%)* non corresponding types | 19 (3.3%) | - | 32 (5.5%) duplication anomalies (5 number - 27 form variants) | ||
| Filippo et al [3] | 350 | 321 (91.8%) non specified type | 18 (5.2%) | - | 11 ABPU (3%) no annular | ||
| Prasanna et al [14] | 40 | 38 (95%) | Excluded from study | 2 (5%) | - | - | |
| Kamisawa et al [9] | 256/3,210 | 175 (68.3%) non specified type | 81 (31.6%) | - | 74 ABPU (28.9%)∧ | ||
| Uomo et al [13] | 485/650 | 437 (90,1%) non specified type | 26 (5.3%) | - | 22 Duplications (13 bifid MPD, 4 loop, 2 N-shaped, 3 ring shaped ) | ||
| Kim HJ et al [11] | 4,097/10,243 | 1,216 (37.7%) non specified type but with APD | 2,838 (69.3%) | 40 (0.49%) | - | 2 annular (0.05%), 1 santorinocele, 30 APBU (4.1%)∧ | |
| Oracz et al [12] | 300 | 252 (84%) non specified type | 33 (11%) | 8 (2.7%) | 4 ABPU, 3 rare (1%) anomalies | ||
| Total | 8,260 | 7,792 (94.3%) | 371 (4.5%) | 21 (0.25%) | 76 (0.92%) | ||
*Patients with type 1, type2 and type 3 were not discriminated due to the different type of classification. +Patients that could not be classified in one of the described types according to the classification that was used in this article. ∧Patients with APBU were not discriminated from the types 1 to 5 but they were reported separately.