Effects of transplantation-related immunosuppression on co-existent neuroendocrine tumours.
Shah, H A Faulkes, R Coldham, C Shetty, S Shah, T
Shah, H A
Faulkes, R
Coldham, C
Shetty, S
Shah, T
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2022-10-25
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Abstract
Background: Here we detail our experience of managing patients found to have a neuroendocrine neoplasm (NEN) whilst on immunosuppression for a transplanted organ.
Aim: We aimed to quantify the behaviour of NENs under solid-organ transplant-related immunosuppression.
Design: This was an observational, retrospective case series.
Methods: Ten patients were identified from a prospectively kept database. Three were excluded.
Results: Four patients received a liver, two a kidney, and one a heart transplant. All but one received calcineurin-based immunosuppression. NENs were found in five patients post-transplant: one had surgery for transverse colonic neuroendocrine carcinoma NEC (pT4N1M0, Ki67 60%), was cancer-free after four years; one had cold biopsy of duodenal NEN (pT1N0M0, Ki67 2%), cancer-free at four months; one 7 mm pancreatic NEN (pT1N0M0), untreated and stable for seven years; one small-bowel NEN with mesenteric metastasis (pTxNxM1), alive four years after diagnosis; and one untreated small-bowel NEN with mesenteric metastasis, stable at 1 year after liver transplantation. Two NENs were discovered pre-transplant, one pancreatic NEN (pT1N0M0, Ki67 5%), remains untreated and stable at three years. One gastric NEN (type 3, pT1bN0M0, Ki67 2%) remains stable without treatment for two years.
Conclusions: NENs demonstrate indolent behaviour in the presence of transplant-related immunosuppression.
Citation
Shah HA, Faulkes R, Coldham C, Shetty S, Shah T. Effects of transplantation-related immunosuppression on co-existent neuroendocrine tumours. QJM. 2022 Oct 25;115(10):661-664. doi: 10.1093/qjmed/hcac036
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