The authors report a case of gangrenous acute appendicitis in the sac of an inguinal hernia (Amyand's hernia). After a review of the literature, they emphasise the extreme rarity of the case reported, they underline how the clinical picture is highly similar to that of a strangulated inguinal hernia. They affirm that appendicectomy and hernioplasty may be performed at the same time, since the repair of the hernia should be performed without prosthesis implantation due to the contamination of the operating field.

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1. 65Cu/63Cu stable-isotope ratios have been measured in blood serum after oral administration of the stable isotope 65Cu. The incorporation of the isotope into the plasma protein pool was followed at various times for up to 3 days. The resulting patterns of enrichment in healthy control subjects, in Wilson's disease patients and in heterozygotes for the Wilson's disease gene, were similar in appearance to those found by others using copper radioactive isotopes. After an initially high enrichment at 2 h after dosage, the Wilson's disease cases, in contrast to the control subjects, did not show a secondary rise in isotope enrichment of the plasma pool after 72 h, demonstrating a failure to incorporate copper into caeruloplasmin. The Wilson's disease heterozygotes had variable degrees of impairment of isotope incorporation, not always distinguished from those of control subjects. 2. The stability of the isotope also permits the copper tracer to be followed for a longer period. Ten healthy subjects were studied for over 40 days, allowing the biological half-time of an oral dose of copper to be determined (median 18.5 days, 95% confidence interval 14-26 days). Known heterozygotes for the Wilson's disease gene were found to have a significantly increased biological half-time for removal of copper from the plasma pool (median 43 days, 95% confidence interval 32-77 days). 3. The incorporation of 65 Cu in patients with diseases of the liver (other than Wilson's disease) was found to be similar to that in control subjects, aiding differential diagnosis.

Iatrogenic vein injuries can occur during radical surgery for cancer and are associated with high morbidity and mortality as a result of massive bleeding. Rapid vascular control and venous repair improve early and late outcome.