Resumen

FERNANDEZ-LOPEZ, Fernando et al. Resection of a rectal gastrointestinal stromal tumour by transanal minimally invasive surgery (TAMIS) after neoadjuvant treatment with Imatinib. rev.colomb.cancerol. [online]. 2018, vol.22, n.4, pp.176-179. ISSN 0123-9015.  https://doi.org/10.1016/j.rccan.2017.10.004.

The primary treatment of choice for patients with a localised gastro-intestinal stromal tumour (GIST) is complete surgical excision with negative microscopic margins. However, in a space as small as that of the pelvis, complete resection of a large rectal tumour is difficult, and sometimes requires an abdominoperineal amputation. In order to reduce the size of the tumour, as well as the morbidity associated with more aggressive surgical procedures, neoadjuvant treatment with Imatinib was introduced in this case, with the response being monitored by of endoscopic ultrasound. The response obtained by reducing the tumour volume modified the strategy, making it possible to obtain a satisfactory resection using transanal minimally invasive surgery (TAMIS), preserving the anal sphincters and avoiding the genitourinary morbidity associated with the mesorectal excision.

Palabras clave : Rectal GIST; Neoadjuvant; TAMIS; Imatinib.

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