Table 1.
Classification of gallstones according to gallstone morphology, ultrastructure, and composition (195 gallstones in 179 patients)
| Stones | Number 195 | Percent (%) | Composition cholesterol (%) | Composition bilirubinate (%) | Composition calcium carbonate (%) | Composition calcium palmitate (%) | Composition whitlockite (%) |
|---|---|---|---|---|---|---|---|
| Cholesterol pure | 70 (7 combi) | 36 ± 1 | 90 ± 5 | 0.8 ± 1.3 | 1 ± 0.5 | – | – |
| Cholesterol mixed | 64 (4 combi) | 33 ± 1 | 85 ± 10 | 2.5 ± 1 | 1.3 ± 0.8 | Traces | Traces |
| Black bilirubinate | 26 (16 + 10 combi) | 13 | 7.5 ± 5 | 62 ± 11 | 5.5 ± 5 | – | Traces |
| Black carbonate | 11 (6 + 5 combi) | 5 | 6 ± 4 | 60 ± 10 | 12 ± 3 | – | – |
| Black phosphate | 1 | 0.5 | 5 ± 4 | 50 ± 10 | 5 ± 4.5 | – | 40 ± 10 |
| Brown pigment | 8 | 4 | 10.5 ± 6 | 52 ± 16 | 0.5 ± 0.5 | 21 ± 9 | – |
| Composite | 12 (5 combi) | 6 ± 1 | 80 ± 10 | 5 ± 5 | 1 ± 0.5 | Traces | Traces |
| Rare stones | 3 | 1.5 | Various | Various | Various | Various | Various |
combi combination gallstones