Biomedical subjects
Publications and source records attributed to Z Hamdouch.
This work is based on 140 cases of esophageal reconstructions collected during 17 years from 1970 to 1987. Those interventions were performed for 62 cancerous esophageal lesions, 8 peptic stenosis and 70 caustic stenosis. The immediate and long-term results will be presented. Important points of the reconstructions will be stressed.
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Spigel's lobe, or segment I of the liver, currently represents the "smallest amount of hepatic parenchyma capable of regeneration". It is an autonomous lobe by virtue of its site and vasculo-biliary distribution, a true "accessory" liver connected to the "main" liver. Lesions of Spigel's lobe are rare, which is explained by the anatomy of the portal bifurcation. Hence the value of making every effort to preserve this segment during hepatectomy because of the possibilities of additional hepatic vein drainage. Segment I surgery is difficult and falls within the context of extended hepatectomies. Can Spigel's lobe be considered to be a "safety liver"? The possibility of subtotal hepatectomy, retaining only segment I, is being studied in the animal. It may be possible in man in the case of extensive hepatic lesions where only segment I is unaffected, as soon as effective artificial liver support is developed.
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To look for the explanation about the post-cholecystectomy syndrome, the authors study 637 liver's biopsies during cholecystectomy for cholelithiasis. 373 liver's biopsies showed hepatic lesions (58.5 per cent). The post-cholecystectomy syndrome is observed in 36 per cent of patients who had hepatic lesions, and only 13 per cent of patients with normal liver biopsies.