Hepatic angiomyolipoma growing to cause epigastric discomfort: a case report

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• 作者：Masahiko Yamaguchi (1) (4)
  Yoshihiko Ueda (2)
  Takao Suzuki (3)
  
• 关键词：Hepatic angiomyolipoma ; Granulocyte colony ; stimulating factor ; Extramedullary hematopoiesis
• 刊名：Clinical Journal of Gastroenterology
• 出版年：2014
• 出版时间：August 2014
• 年：2014
• 卷：7
• 期：4
• 页码：365-369
• 全文大小：1,080 KB
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• 作者单位：Masahiko Yamaguchi (1) (4)
  Yoshihiko Ueda (2)
  Takao Suzuki (3)
  
  1. Second Department of Surgery, Dokkyo Medical School Koshigaya Hospital, Koshigaya, 343-8555, Japan
  4. Department of Surgery, Hasuda Hospital, 1662-1, Negane, Hasuda, Saitama, 349-0131, Japan
  2. Second Department of Surgery and Pathology, Dokkyo Medical School Koshigaya Hospital, Koshigaya, 343-8555, Japan
  3. Department of Clinical Pathology, Showa University Fujigaoka Hospital, Yokohama, 227-8501, Japan
  
• ISSN：1865-7265

文摘

We report herein a case of hepatic angiomyolipoma growing to cause epigastric discomfort. A 33-year-old man was referred for excisional operation of hepatic hypervascular tumor, complaining of epigastric discomfort. The tumor had enlarged from the time 3?years before when the tumor was diagnosed as hepatic hemangioma in the lateral segment. Partial hepatectomy with tumor resection was carried out. Pathological diagnosis was confirmed as hepatic angiomyolipoma with a finding of enriched vessels, extramedullary hematopoiesis, fatty tissue, and most epithelioid cells immunoreactive to HMB-45. Further analysis also revealed positive staining cells for granulocyte colony-stimulating factor. It was suggested that growth of hepatic angiomyolipoma in this case might be caused by extramedullary hematopoiesis induced by granulocyte colony-stimulating factor.