Abstract
The aim of this retrospective cohort study was to review urological complication rates arising from familial adenomatous polyposis associated desmoid tumours and their management. All patients over a 35-year period were identified from a prospectively maintained polyposis registry database and had an intra-abdominal desmoid tumour. Those without ureteric complications (n = 118, group A) were compared to those that developed ureteric obstruction (n = 40, group B) for demographics, treatment interventions and survival outcomes. 158 (56% female) patients were identified. Median age at diagnosis was 31 years and desmoids typically occurred 3.6 years after colectomy for familial adenomatous polyposis. Ureteric obstruction secondary to tumour growth occurred in 25% of cases. There was no significant difference in gender distribution or overall age at desmoid diagnosis between the two groups. In group B, the median age at desmoid diagnosis was significantly younger in women compared to men (25 and 43 years, respectively) (p = 0.01). Thirty-eight percent of patients already had ureteric obstruction at desmoid diagnosis, the remainder occurred after 48.6 months, but 20 years in two cases. Seventy-three percent (29/40) had ureteric stenting, a long-term requirement for most. Permanent renal injury occurred in six cases but survival between the two groups was not significantly different. Ureteric obstruction occurs frequently in patients with familial adenomatous polyposis and an intra-abdominal desmoid tumour. Those most at risk are the young following colectomy. Clinicians should actively survey the renal tract at regular intervals after a diagnosis of an intra-abdominal desmoid tumour as complications can arise insidiously, at any stage.
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Walton, S.J., Malietzis, G., Clark, S.K. et al. Urological sequelae of desmoids associated with familial adenomatous polyposis. Familial Cancer 17, 525–530 (2018). https://doi.org/10.1007/s10689-017-0064-0
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DOI: https://doi.org/10.1007/s10689-017-0064-0