1. Uka K, Aikata H, Takaki S, et al. Clinical features and prognosis of patients with extrahepatic metastases from hepatocellular carcinoma. World J Gastroenterol. 2007. 13:414–420.
2. Uchino K, Tateishi R, Shiina S, et al. Hepatocellular carcinoma with extrahepatic metastasis: clinical features and prognostic factors. Cancer. 2011. 117:4475–4483.
3. Katyal S, Oliver JH 3rd, Peterson MS, Ferris JV, Carr BS, Baron RL. Extrahepatic metastases of hepatocellular carcinoma. Radiology. 2000. 216:698–703.
4. Bruix J, Sherman M. Practice Guidelines Committee, American Association for the Study of Liver Diseases. Management of hepatocellular carcinoma. Hepatology. 2005. 42:1208–1236.
5. Momoi H, Shimahara Y, Terajima H, et al. Management of adrenal metastasis from hepatocellular carcinoma. Surg Today. 2002. 32:1035–1041.
6. Minagawa M, Makuuchi M, Takayama T, Kokudo N. Selection criteria for repeat hepatectomy in patients with recurrent hepatocellular carcinoma. Ann Surg. 2003. 238:703–710.
7. Gao ZH, Tretiakova MS, Liu WH, Gong C, Farris PD, Hart J. Association of E-cadherin, matrix metalloproteinases, and tissue inhibitors of metalloproteinases with the progression and metastasis of hepatocellular carcinoma. Mod Pathol. 2006. 19:533–540.
8. Liu YB, Gao SL, Chen XP, et al. Expression and significance of heparanase and nm23-H1 in hepatocellular carcinoma. World J Gastroenterol. 2005. 11:1378–1381.
9. Pandey D, Tan KC. Surgical resection of adrenal metastasis from primary liver tumors: a report of two cases. Hepatobiliary Pancreat Dis Int. 2008. 7:440–442.
10. Rubio E, González J, Jimenéz M, et al. Right adrenal metastases of hepatocarcinoma after liver transplantation: case report and literature review. Transplant Proc. 2009. 41:1067–1069.
11. Lam CM, Lo CM, Yuen WK, Liu CL, Fan ST. Prolonged survival in selected patients following surgical resection for pulmonary metastasis from hepatocellular carcinoma. Br J Surg. 1998. 85:1198–1200.
12. Park JS, Yoon DS, Kim KS, et al. What is the best treatment modality for adrenal metastasis from hepatocellular carcinoma? J Surg Oncol. 2007. 96:32–36.
13. Chan KM, Yu MC, Wu TJ, et al. Efficacy of surgical resection in management of isolated extrahepatic metastases of hepatocellular carcinoma. World J Gastroenterol. 2009. 15:5481–5488.
14. Schwartz JD, Schwartz M, Mandeli J, Sung M. Neoadjuvant and adjuvant therapy for resectable hepatocellular carcinoma: review of the randomised clinical trials. Lancet Oncol. 2002. 3:593–603.
15. Cheng AL, Kang YK, Chen Z, et al. Efficacy and safety of sorafenib in patients in the Asia-Pacific region with advanced hepatocellular carcinoma: a phase III randomised, double-blind, placebo-controlled trial. Lancet Oncol. 2009. 10:25–34.
16. Llovet JM, Ricci S, Mazzaferro V, et al. SHARP Investigators Study Group. Sorafenib in advanced hepatocellular carcinoma. N Engl J Med. 2008. 359:378–330.