[X-ray diffraction study of biliary calculi. Morphological and composition correlations of calculi]. 1990

N Bassi, and L Aggio, and S Ghiro, and T Meggiato, and F Di Mario, and G Del Favero, and P Scalon, and M Molin, and D D'Amico, and R Naccarato
Istituto di Clinica Chirurgica II.

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).

UI MeSH Term Description Entries
D008297 Male Males
D002118 Calcium A basic element found in nearly all tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes. Coagulation Factor IV,Factor IV,Blood Coagulation Factor IV,Calcium-40,Calcium 40,Factor IV, Coagulation
D002763 Cholecystectomy Surgical removal of the GALLBLADDER. Cholecystectomies
D002769 Cholelithiasis Presence or formation of GALLSTONES in the BILIARY TRACT, usually in the gallbladder (CHOLECYSTOLITHIASIS) or the common bile duct (CHOLEDOCHOLITHIASIS). Gallstone Disease,Cholelithiases,Gallstone Diseases
D002784 Cholesterol The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. Epicholesterol
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014961 X-Ray Diffraction The scattering of x-rays by matter, especially crystals, with accompanying variation in intensity due to interference effects. Analysis of the crystal structure of materials is performed by passing x-rays through them and registering the diffraction image of the rays (CRYSTALLOGRAPHY, X-RAY). (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Xray Diffraction,Diffraction, X-Ray,Diffraction, Xray,Diffractions, X-Ray,Diffractions, Xray,X Ray Diffraction,X-Ray Diffractions,Xray Diffractions

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