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. 2020 May;24(3):e13697.
doi: 10.1111/petr.13697. Epub 2020 Mar 25.

Atypical malignancies after intestinal transplantation in children: A European single-centre experience

Undine A Gerlach  1   2 , Bruce Morland  3 , Dave Hobin  3 , Anita Nagy  4 , Khalid Sharif  1 , Darius F Mirza  1 , Girish L Gupte  1
Affiliations

Atypical malignancies after intestinal transplantation in children: A European single-centre experience

Undine A Gerlach et al. Pediatr Transplant. 2020 May.

Abstract

Background: Post-transplant malignancies, that is, lymphomas, are a recognized complication in intestinal transplant recipients but are mostly secondary to EBV infection. There is an increased risk for malignancies in unusual sites in intestinal transplant recipients as compared to other solid organ transplants and the general population.

Objective: To evaluate the incidence, course, and outcome of unusual malignancies in children after ITx.

Methods: Retrospective analysis of children who underwent ITx for primary digestive disorders at Birmingham Children's Hospital between January 1989 and December 2017.

Results: Ninety-eight intestinal transplants were performed in 90 children (49 males and 41 females) with an underlying primary digestive disorder. Median age was 2.7 years (0.6-16.2), and median weight was 14.5 kg (5.7-53.2) at the time of transplant. Within this cohort, we identified four cases of unusual malignancies at rare sites of presentation. One patient developed cerebral PTLD, two patients were diagnosed with SMT, located at the stomal orifice and in cervicothoracic paravertebral area, respectively, and the last patient developed a retroperitoneal angiosarcoma. Unfortunately, the overall patient outcome was poor in all but one child with SMT, who currently survives with cytotoxic T-cell therapy.

Conclusion: Unusual malignancies can occur in approximately 5% of children following ITx. A high index of suspicion is required for a timely diagnosis and adequate treatment.

Keywords: EBV; PTLD; angiosarcoma; paediatric intestinal transplantation; post-transplant malignancies; smooth muscle cell tumour.

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References

REFERENCES

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