BACKGROUND Primary hepatic myelolipoma is a rare hepatic mesenchymal tumor mixed by adipose tissue and bone marrow,and there is a lack of general guidelines related to its epidemiology and clinical management.CASE SUM...BACKGROUND Primary hepatic myelolipoma is a rare hepatic mesenchymal tumor mixed by adipose tissue and bone marrow,and there is a lack of general guidelines related to its epidemiology and clinical management.CASE SUMMARY A 26-year-old woman was admitted to our department complaining of a newly found tumor on her left lobe of the liver.The tumor was painless and not associated with any systemic or localized compressive symptoms.Serological tests disclosed a slight increase of gamma-glutamyl transpeptidase(70.0 U/L)and total bilirubin(19.2 pmol/L).Ultrasonography showed a mass about 5.0 cm x 5.0 cm in size that was located in the left lobe of the liver and displayed hyperechoic and well-encapsulated characteristics.Surgical resection was applied,and the following histopathological examination observed a variable proportion of myeloid tissues scattering throughout mature fibrotic adipose tissues,in which myeloid,erythroid,and megakaryocytic cells can be found in magnified view.The follow-up did not show any changes 6 mo after surgery.CONCLUSION This case highlights an extremely rare hepatic mesenchymal tumor,the primary hepatic myelolipoma,and discloses the common characteristics behind this disease and gives clinical recommendations.展开更多
基金National Natural Science Foundation of China,No.81773174.
文摘BACKGROUND Primary hepatic myelolipoma is a rare hepatic mesenchymal tumor mixed by adipose tissue and bone marrow,and there is a lack of general guidelines related to its epidemiology and clinical management.CASE SUMMARY A 26-year-old woman was admitted to our department complaining of a newly found tumor on her left lobe of the liver.The tumor was painless and not associated with any systemic or localized compressive symptoms.Serological tests disclosed a slight increase of gamma-glutamyl transpeptidase(70.0 U/L)and total bilirubin(19.2 pmol/L).Ultrasonography showed a mass about 5.0 cm x 5.0 cm in size that was located in the left lobe of the liver and displayed hyperechoic and well-encapsulated characteristics.Surgical resection was applied,and the following histopathological examination observed a variable proportion of myeloid tissues scattering throughout mature fibrotic adipose tissues,in which myeloid,erythroid,and megakaryocytic cells can be found in magnified view.The follow-up did not show any changes 6 mo after surgery.CONCLUSION This case highlights an extremely rare hepatic mesenchymal tumor,the primary hepatic myelolipoma,and discloses the common characteristics behind this disease and gives clinical recommendations.
