Erythropoietin production in hepatocellular carcinoma cells associated with polycythemia: Immunohistochemical evidence
Shotaro Sakisaka, Masahide Watanabe, Hideo Tateishi, Masaru Harada, Satoshi Shakado, Yoshihiro Mimura, Kazuhisa Gondo, Masao Yoshitake, Kazunori Noguchi, Teruko Hino, Ryuichi Nohno, Yasuo Majima, Kenji Hirai, Michio Sata, Hiroshi Yoshida, Kyuichi Tanikawa – 1 December 1993 – Patients with hepatocellular carcinoma sometimes have erythrocytosis and high plasma erythropoietin levels. However, previous studies have not revealed direct evidence that the carcinoma cells produce the erythropoietin.