Abstract
Background
Definitive guidelines for recurrent intrahepatic cholangiocarcinoma (ICC) do not exist. This study has focused on the repeat surgery when analyzing the survival outcomes of recurrent ICC. We evaluated the relationship between clinicopathological features of the primary tumor and implementation of the repeat surgery to identify its potential selection criteria.
Methods
A total of 108 patients with recurrent ICC between 1993 and 2015 were analyzed. Of these, 15 patients underwent repeat surgery and 93 did not.
Results
Seven out of 29 patients with intrahepatic recurrence and eight out of 44 patients with extrahepatic recurrence were amenable to the repeat surgery. Thirty-five patients with simultaneous or consequent intrahepatic recurrence and extrahepatic recurrence were not amenable to the repeat surgery. Patients who underwent repeat surgery had a lower proportion of lymph node metastases (n = 0 [0%] vs. n = 47 [50.5%], p < 0.001), multiple tumors in the primary tumor (n = 1 [6.7%] vs. n = 31 [33.3%], p = 0.037), or early recurrence (≤ 1 year; n = 4 [26.7%] vs. n = 62 [66.7%], p = 0.003). Survival after recurrence (SAR) was better in patients who underwent repeat surgery than in those who did not (median SAR time: 91.6 vs. 10.4 months, and 3-year survival: 86.7 vs. 8.7%, respectively, p < 0.001).
Conclusions
Repeat surgery for recurrent ICC with an appropriate selection can be associated with prolonged survival. Regarding the feasibility, nodal status, number of tumors on the primary tumor, and time to recurrence may be considered as selection criteria.
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