[X-ray diffraction study of biliary calculi. Morphological and composition correlations of calculi].
In this study, we examined the composition of crystallographic structure of biliary stones in 106 patients (27 male, 79 female). The material has been obtained following cholecystectomy. In 70 cases (66%), the monohydrate cholesterol was the main constituent, alone (33%) or in combination with calcium salts (32%). In 52% of the cases, we found presence of vaterite, aragonite and calcite. The anhydrous cholesterol was determined in 28 subjects (26%), alone (9.4%) or associated with calcium salts (16%). Cholesterol was completely absent in 8 cases: of them, 4 presented an aspecific diffrattografic picture and 4 revealed presence of calcium carbonate. Finally, no correlation was found between epidemiological data (sex or age) and macroscopic feature of biliary stones (chemical and morphological structure).
Bassi
N
N
Istituto di Clinica Chirurgica II.
Aggio
L
L
Ghiro
S
S
Meggiato
T
T
Di Mario
F
F
Del Favero
G
G
Scalon
P
P
Molin
M
M
D'Amico
D
D
Naccarato
R
R
D002118:Calcium / Q000032:analysis; D002763:Cholecystectomy; D002769:Cholelithiasis / Q000032:analysis / Q000175:diagnosis*; D002784:Cholesterol / Q000032:analysis; D005260:Female; D006801:Humans; D008297:Male; D014961:X-Ray Diffraction
D002784:Cholesterol; D002118:Calcium
Studio diffrattometrico a raggi X della litiasi biliare. Correlazione morfologica e composizione dei calcoli.