Abstract:
:Microvascular invasion (MVI) is a strong risk factor for patients with hepatocellular carcinoma (HCC) meeting the Milan criteria and who have received curative hepatectomy. The relevance of a second hepatectomy in patients with MVI-positive recurrent HCC remains controversial. We had 329 cases of HCC hepatectomy meeting the Milan criteria and compared data on patient demographics, liver function, and tumor pathology between MVI-positive and MVI-negative group. We analyzed potential risk factors of overall survival (OS) and disease-free survival (DFS). Furthermore, newly developed pathological features following the second hepatectomy were also analyzed.The median OS and DFS were significantly superior in the MVI-negative group than in the MVI-positive group, 61 (10-81) versus 49 (11-82) months (P < 0.01) and 41 (7-75) versus 13 (3-69) months (P < 0.01), respectively. The presence of MVI and a total tumor diameter >3 cm were independent risk factors associated with both OS and DFS. Overall survival was significantly improved by a second hepatectomy in the MVI-positive group compared with the original MVI-positive group, 60 (26-82) versus 49 (11-82) months, respectively. This was now comparable to the MVI-negative group, 60 (26-82) versus 61 (10-81) months (P = 0.72). A second hepatectomy was consistently associated with better survival in the MVI-negative group as compared to the MVI-positive group. A second hepatectomy improves survival in patients with MVI HCC meeting the Milan criteria. The biology of MVI may change following a second hepatectomy. The absence of MVI is a good prognostic sign for patients undergoing second hepatectomy.
journal_name
Medicine (Baltimore)journal_title
Medicineauthors
Hou YF,Li B,Wei YG,Yang JY,Wen TF,Xu MQ,Yan LV,Chen KFdoi
10.1097/MD.0000000000002070subject
Has Abstractpub_date
2015-12-01 00:00:00pages
e2070issue
48eissn
0025-7974issn
1536-5964pii
00005792-201512010-00005journal_volume
94pub_type
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