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Transplantation of haemochromatosis liver and intestine into a normal recipient
  1. P C ADAMS,
  1. K ALANEN,
  1. D GRANT
  1. Department of Medicine
  2. University of Western Ontario
  3. London, Ontario, Canada
  4. Department of Pathology
  5. University of Western Ontario
  6. London, Ontario, Canada
  7. Department of Surgery
  8. University of Calgary
  9. Calgary, Alberta, Canada
  10. Department of Laboratory Medicine
  11. University of Western Ontario
  12. London, Ontario, Canada
  13. Department of Surgery
  14. University of Western Ontario
  15. London, Ontario, Canada
  1. Paul C Adams, MD, Department of Medicine, London Health Sciences Centre, 339 Windermere Road, London, Ontario, Canada N6A 5A5. Email: padams{at}

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Haemochromatosis is a common genetic disease leading to iron overload. Although the gene had been identified (HFE),1 the pathogenesis had not been fully elucidated.2 The inadvertent transplant of a C282Y homozygous liver and intestine provided a unique opportunity to study this problem.


A 19 year old man underwent orthotopic liver and intestinal transplantation in January 1997 for the treatment of short bowel syndrome secondary to a mid gut volvulus with resection and cholestatic liver disease resulting from total parenteral nutrition. The organ donor was an 18 year old woman posthumously discovered to be a C282Y homozygote for haemochromatosis.


Preoperative recipient blood tests included a serum ferritin of 34 μg/l (normal range 15–300 μg/l) and a transferrin saturation of 10% (normal 20–55%). Transplantation of the intestine and liver was performed as previously described at this medical centre and included duodenum, jejunum, and ileum.3 At 21 months after transplantation the recipient had a great increase in transferrin saturation at 94% with a normal serum ferritin of 103 μg/l. Hepatic iron concentration at four months was 20 μmol/g and at 22 months was 22.3 μmol/g (normal 0–35 μmol/g). Genetic testing for haemochromatosis4 on his liver graft revealed homozygosity for the C282Y mutation of the HFE gene. Genetic testing on a peripheral blood sample at 21 months was normal (wild type) for the C282Y mutation. The donor family was investigated for haemochromatosis (fig 1). A brother of the donor was an iron loaded homozygote and her mother appeared to be a non-expressing homozygote. The mother had a non-identical twin that was homozygous for the C282Y mutation with abnormal iron studies.

Figure 1

Pedigree study of the donor family. The 18 year old donor was the proband case (II.4). The brother of the mother (I.1) is a homozygote and a non-identical twin. The mother (II.2) is a non-expressing homozygote and the brother of the proband (II.1) is a typical iron loaded homozygote. (Normal range ferritin 15–300 μg/l; TS, transferrin saturation, normal range 20–55%). C282Y refers to the characteristic mutation of the HFE gene.+/+, homozygote; +/−, heterozygote.


This case suggests that the genetic defect of haemochromatosis has been transplanted into the recipient with the donor intestine and that iron accumulation will probably occur with time. Within 21 months of transplantation the recipient is showing evidence of the typical biochemical abnormality seen in a young patient with haemochromatosis, namely an increase in transferrin saturation with a normal hepatic iron concentration. Although the serum ferritin is normal, it is likely that if untreated it will continue to rise with time. Therefore, we have identified a predisposition to future iron overload rather than iron overload at 21 months. The concomitant transplantation of the haemochromatosis liver is less likely to be contributing to the abnormal iron metabolism. Transplantation of a haemochromatosis liver alone into a normal recipient has been previously documented at this centre with a progressive decline in hepatic iron concentration and a normal radioiron absorption study.5 This supports the hypothesis that the fundamental defect in haemochromatosis is site specific at the level of the intestine rather than a systemic abnormality.