Antonio Rives

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To evaluate internal mammary artery (IMA) atherosclerosis in our population, 38 segments of IMA obtained at the time of coronary surgery and 20 segments of IMA obtained at postmortem studies were histologically studied. Hematoxilin-eosin, Masson trichromic, elastic fibers and reticulin fibers were the stain methods used. A total of 236 sections were(More)
A two-generation reproduction-fertility study of cyanamide in the rat has been carried out. After oral administration of 2, 7 and 25 mg/kg/day of the drug, relevant changes have been noted at the highest dose level. Decrease in dam weight gain, in number of corpora lutea, in number of implantations and in number of neonates have been observed in rats of the(More)
A 24-year-old man developed progressive dementia in seven years. The patient suffered a severe bronchopneumonia and eventually died few days later. Brain coronal sections showed a soft gray-brownish discoloration of white matter of centrum ovale but the subcortical arcuate fibers and the interne capsule were preserved. Microscopically, the white matter(More)
The results from two carcinogenicity studies on ebrotidine (N-[2-(E)-[[2-[[[2-[(diaminomethylene)amino]-4-thiazolyl] methyl]thio]ethyl]amino]methylene]-4-bromo-benzenesulfonamide, CAS 100981-43-9, FI-3542) conducted in mice and rats are reported. Oral doses of 50, 200 and 500 mg/kg were administered to mice for 18 months and 50, 200 (150), 300 and 500 mg/kg(More)
The spread of Vesical Neoplasia occurs frequently through local or regional extension. Its systemic dissemination happens frequently in advanced phases but it is exceptional as initial manifestation. The case of an undifferentiated vesical carcinoma is described, its presentation was as a big size osteolytic lesion on the sacrum. Local manifestations of the(More)