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권민정 ( Min Jung Kwon ),류수형 ( Soo Hyung Ryu ),조수연 ( Soo Yeon Jo ),곽철훈 ( Chul Hoon Kwak ),윤원재 ( Won Jae Yoon ),문정섭 ( Jeong Seop Moon ),이혜경 ( Hye Kyung Lee ) 대한소화기학회 2016 대한소화기학회지 Vol.68 No.6
Oral metastatic tumor, which is uncommon and represents less than 1% of malignant oral neoplasms, usually arises from a primary mucosal or cutaneous cancer located in the head and neck regions. Metastasis of hepatocellular carcinoma (HCC) to the oral cavity, especially to gingiva, is extremely rare. A 50-year-old man, who was a chronic alcoholic and hepatitis B virus carrier, presented with abdominal distension and weight loss for the past 3 months. Three-phased contrast-enhanced abdominal CT revealed numerous conglomerated masses in the liver, suggesting huge HCCs arising in the background of liver cirrhosis with a large amount of ascites. He complained of recurrent profuse bleeding from the left upper gingival mass. A facial CT revealed an oral cavity mass destructing the left maxillary alveolar process and hard palate, which was diagnosed as metastatic HCC by an incisional biopsy. Herein, we report a case of metastatic HCC to the gingiva. (Korean J Gastroenterol 2016;68:321-325)