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Late recurrences of gastrointestinal stromal tumours (GISTs) after 5 years of follow-up

Med Oncol. 2012 Mar;29(1):144-50.

Author

Nannini M, Biasco G, Pallotti MC, Di Battista M, Santini D, Paterini P, Maleddu A, Mandrioli A, Lolli C, Saponara M, Di Scioscio V, Zompatori M, Catena F, Fusaroli P, Dei Tos AP, Pantaleo MA.

Abstract

In practice, relapses of gastrointestinal stromal tumours after long time of surgical resection occur. However, few published data are available for duration, intensity and imaging sources of follow-up in radically excised patients with localized disease. Therefore, every single institution chooses the surveillance schedule according to its experience. The aim of this study was to describe the late recurrences of disease 5 years after the primary tumour's excision in a series of patients with recurrent GIST from our institution. We retrospectively reviewed 42 patients with "recurrent" GIST, collected since 2001. Ten patients were always followed at our institution, and 32 patients came to our attention at the time of recurrence. The analysed series were divided into two groups: patients who developed recurrence before 5 years and patients who developed recurrence 5 years after the primary tumour's excision. Among 42 patients, 36 patients developed the recurrence within 5 years of the primary tumour excision, whereas 6 patients developed the recurrence 5 years after primary tumour excision diagnosed during follow-up or casually for other reasons. All patients had distant recurrence, involving liver and peritoneum, whereas no local relapse was observed. These patients were heterogeneous in primary tumour site, risk classification and molecular analysis. Duration of the follow-up for radically excised patients with GIST remains still unsettled; however, the integration of every clinical, pathological and molecular parameter is essential to optimize the duration and intensity of the follow-up for each single patient.

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