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CASE REPORTS
JOURNAL ARTICLE
REVIEW
Clinicopathological features of combined hepatocellular-cholangiocarcinoma with sarcomatous change: Case report and literature review.
Medicine (Baltimore) 2018 January
RATIONALE: Combined hepatocellular-cholangiocarcinoma (cHCC-CC) is a rare subtype of primary liver malignancy comprising <1.5% of all primary liver tumors. Sarcomatoid changes in cHCC-CC are even rarer. Due to the rarity of this subtype, its clinicopathological feature is poorly understood. Therefore, here we report 2 tumors.
PATIENT CONCERNS: The first patient was a 44-year-old man with 5-year history of hepatitis B-induced cirrhosis. The resection of right liver revealed a 2.5 × 2.5 × 2 cm tumor mass. Histologically, the tumor showed areas of the typical moderately differentiated HCC. An intermingled adenocarcinoma with pleomorphic and spindle-shaped cells was also identified. The second case involved a 54-year-old man with a history of hepatitis B-induced cirrhosis. A 3.5 × 3 × 3 cm mass was found in the middle left of falciform ligament. Microscopically, the tumor consisted of spindle-shaped sarcomatoid carcinoma cells mixed with typical well-differentiated HCC and well-differentiated CC.
DIAGNOSES: According to the clinicopathological features, diagnosis of cHCC-CC with sarcomatous change was made.
INTERVENTIONS: In the first case, right lobectomy of the liver was performed. The second patient underwent laparoscopic, hepatic left lateral lobectomy.
OUTCOMES: The first patient was alive and well 10 years after the surgical resection without additional treatment. In second case, at 8 months after surgical resection, there was no evidence of recurrence or metastasis.
LESSONS: In this report, we describe 2 rare cases of cHCC-CC with sarcomatous change, and findings are helpful for the pathologists would like to further identify the clinicopathological features of this rare tumor.
PATIENT CONCERNS: The first patient was a 44-year-old man with 5-year history of hepatitis B-induced cirrhosis. The resection of right liver revealed a 2.5 × 2.5 × 2 cm tumor mass. Histologically, the tumor showed areas of the typical moderately differentiated HCC. An intermingled adenocarcinoma with pleomorphic and spindle-shaped cells was also identified. The second case involved a 54-year-old man with a history of hepatitis B-induced cirrhosis. A 3.5 × 3 × 3 cm mass was found in the middle left of falciform ligament. Microscopically, the tumor consisted of spindle-shaped sarcomatoid carcinoma cells mixed with typical well-differentiated HCC and well-differentiated CC.
DIAGNOSES: According to the clinicopathological features, diagnosis of cHCC-CC with sarcomatous change was made.
INTERVENTIONS: In the first case, right lobectomy of the liver was performed. The second patient underwent laparoscopic, hepatic left lateral lobectomy.
OUTCOMES: The first patient was alive and well 10 years after the surgical resection without additional treatment. In second case, at 8 months after surgical resection, there was no evidence of recurrence or metastasis.
LESSONS: In this report, we describe 2 rare cases of cHCC-CC with sarcomatous change, and findings are helpful for the pathologists would like to further identify the clinicopathological features of this rare tumor.
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