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Titolo: Limits of endorectal ultrasound in tailoring treatment of patients with rectal cancer
Data di pubblicazione: 2015
Citazione: Limits of endorectal ultrasound in tailoring treatment of patients with rectal cancer / Restivo A; Zorcolo L; Marongiu L; Scintu F; Casula G. - 32:2(2015), pp. 129-134.
Abstract: Background: Endorectal ultrasound (ERUS) is considered reliable in staging rectal cancer, but recently some critics have questioned its accuracy. The aim of this study was to evaluate how often an ERUS-based decision leads to an appropriate treatment. Methods: Two hundred and twenty patients with rectal cancer staged with ERUS who underwent a surgical resection or a local excision without neoadjuvant therapy from 1997 to 2012 were included. According to ERUS, patients were divided into three groups of indication: (a) local excision (Tis-1 N0), (b) direct surgery (T2 N0), (c) preoperative chemoradiation (T3-4 or N+). Accuracy was explored by the correlation established with the final pathology. Results: Accuracy for T and N staging was 65 and 64%, respectively. Indication to local excision and to chemoradiation was correct in 97 and 88% of patients staged by ERUS. Accuracy of indication to direct surgery was poor (37%), and 21% of patients were overtreated in this group. Conclusions: ERUS seems not able to fulfill all the needs of ideal tailored therapeutic strategies. T2 diagnosis needs to be confirmed by an excisional biopsy before a final decision is made because overstaging of early tumors may occur in a not-so-negligible proportion of patients.
Tipologia:1.1 Articolo in rivista

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