Abstract
We report herein an unusual case of a composite glandular-neuroendocrine carcinoma of the hilar bile duct. A 71-year-old Japanese woman was admitted to our hospital suffering from general fatigue, progressive jaundice, and a high fever. Computed tomography and angiography findings revealed a solid hypervascular mass in the hepatic hilus. Thus, a subsegmentectomy of the liver (S4, S5) and bile duct resection with lymphnode dissection were performed. A tumor measuring 6.0×3.0 cm was found to be located in the bile duct of the hepatic hilus. Histologically, the tumor was composed of well-differentiated adenocarcinoma and small cell neuroen-docrine carcinoma cells, with a histological transition between the two components. Grimelius' method revealed the presence of diffuse positive tumor cells in neuroendocrine carcinoma. The neuroendocrine tumor cells were also diffusely immunoreactive to chromogranin A. To the best of our knowledge, only 22 previous cases of composite glandular-neuroendocrine carcinoma in the biliary tract have been reported; however, this is the first case report of a clearly composite tumor of the hilar bile duct.
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Yamamoto, J., Abe, Y., Nishihara, K. et al. Composite glandular-neuroendocrine carcinoma of the hilar bile duct: Report of a case. Surg Today 28, 758–762 (1998). https://doi.org/10.1007/BF02484625
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DOI: https://doi.org/10.1007/BF02484625