COINCIDENTAL OCCURRENCE OF HEPATOCELLULAR CARCINOMA AND CHOLANGIOCARCINOMA (COLLISION TUMORS) AFTER LIVER TRANSPLANTATION: A CASE REPORT

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AL HAMOUDI WALEED; KHALAF HATEM; ALLAM NAGLAA; AL SEBAYEL MOHAMED

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Journal Paper

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Journal: Hepatitis Monthly Year:2012 | Volume:12 | Issue:10 Page(s): 0-0

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Title

COINCIDENTAL OCCURRENCE OF HEPATOCELLULAR CARCINOMA AND CHOLANGIOCARCINOMA (COLLISION TUMORS) AFTER LIVER TRANSPLANTATION: A CASE REPORT

Author(s)

AL HAMOUDI WALEED | KHALAF HATEM | ALLAM NAGLAA | AL SEBAYEL MOHAMED | Issue Writer Certificate

Keywords

HEPATIC LESION

BIOPSY

RECURRENCE

CA19-9 ANTIGEN

Abstract

Coincidental occurrence of hepatocellular carcinoma (HCC) and cholangiocarcinoma, known as “collision tumors”, within a cirrhotic liver is rare. Herein, we report a case of liver transplantation (LT) in a patient with such collision tumors. Our patient was a 56-year-old woman with hepatitis C virus-related cirrhosis and 2 focal HEPATIC LESIONs, measuring 1.5 and 3 cm, in the liver segments 8 and 5, respectively. The lesion on segment 8 showed the typical radiological characteristics of HCC; however, the lesion in segment 5 showed an atypical vascular pattern and was closely associated with the inferior vena cava. Serum alpha-fetoprotein level was normal and serum carbohydrate antigen 19-9 (CA19-9) level was slightly elevated (63 U/mL); the extrahepatic spread of HCC was ruled out. The patient underwent an uneventful deceased-donor LT. Histopathological examination of the explant confirmed that the lesion on segment 8 was an HCC, but surprisingly, the lesion on segment 5 was found to be a cholangiocarcinoma. Six months after LT, the serum CA19-9 level was markedly elevated (255 U/mL), and the patient began experiencing abdominal pain. Magnetic resonance imaging showed enlarged hilar and paraaortic lymph nodes that were suggestive of metastases; histopathological analysis using ultrasound (US)-guided BIOPSY confirmed recurrent cholangiocarcinoma. Unfortunately, the patient died because of tumor RECURRENCE 9 months after LT.\r\nCollision tumor resulting from the co-existence HCC and cholangiocarcinoma in a cirrhotic liver is rare and has a negative impact on the outcome of LT. Atypical vascular pattern and elevated serum CA19-9 levels are suggestive of such tumors; patients with these findings should undergo a targeted BIOPSY to rule out the coincidental occurrence of HCC and cholangiocarcinoma.

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APA: Copy

AL HAMOUDI, WALEED, KHALAF, HATEM, ALLAM, NAGLAA, & AL SEBAYEL, MOHAMED. (2012). COINCIDENTAL OCCURRENCE OF HEPATOCELLULAR CARCINOMA AND CHOLANGIOCARCINOMA (COLLISION TUMORS) AFTER LIVER TRANSPLANTATION: A CASE REPORT. HEPATITIS MONTHLY, 12(10), 0-0. SID. https://sid.ir/paper/306807/en

Vancouver: Copy

AL HAMOUDI WALEED, KHALAF HATEM, ALLAM NAGLAA, AL SEBAYEL MOHAMED. COINCIDENTAL OCCURRENCE OF HEPATOCELLULAR CARCINOMA AND CHOLANGIOCARCINOMA (COLLISION TUMORS) AFTER LIVER TRANSPLANTATION: A CASE REPORT. HEPATITIS MONTHLY[Internet]. 2012;12(10):0-0. Available from: https://sid.ir/paper/306807/en

IEEE: Copy

WALEED AL HAMOUDI, HATEM KHALAF, NAGLAA ALLAM, and MOHAMED AL SEBAYEL, “COINCIDENTAL OCCURRENCE OF HEPATOCELLULAR CARCINOMA AND CHOLANGIOCARCINOMA (COLLISION TUMORS) AFTER LIVER TRANSPLANTATION: A CASE REPORT,” HEPATITIS MONTHLY, vol. 12, no. 10, pp. 0–0, 2012, [Online]. Available: https://sid.ir/paper/306807/en

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