Calculi - biliary
Last updated: Thursday, 08, April, 2004
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| Item | Process |
|---|---|
| Specimen | Calculus obtained at endoscopy or open surgery. |
| Method | Qualitative tests, X-ray diffraction or spectrophotometry on pulverised, dissolved calculus. |
| Application | Rarely of value. May be indicated to confirm suspicion of a pure pigment stone. |
| Interpretation | Pure pigment stones are seen in chronic haemolysis. |
| Reference | Redinger RN and Small DM. Arch Int Med 1972; 130: 618-630. |