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Background : Hemangiopericytoma is the one type of soft tissue sarcomas. This is very rare and uncommon type of tumor. So The surgeon and another doctor should be reminded to keep in mind.
Objective : To report a case of metastastic hemangiopericytoma metastasized from the right inguinal region to the liver in 12 years.
Design : Retrospective study by review of 170,000 cases medical records and pathological study.
Setting : Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen province.
Result : We reported a case of a 68-year old female who was initially diagnosed with hemangioperocytoma of soft tissue at her right inguinal region which was surgically excised. However twelve years later in July 2003, a tumor mass was discovered in her liver which the histology is characterized mostly similar to the earlier right inguinal tumor. Thus we diagnosed the patient with metastatic hemangiopericytoma in the liver. Two years after the removal of the tumor, she has no evidence of the other metastasis or recurrence. Twenty two cases of extracranial metastasis of hemangiopericytomatous meningioma to the liver, lung, kidney, and stomach have been reported in the literature, but hepatic resections of this metastasizing tumor have been very rare.
Conclusion : We reported the very rare case of histopathologically – proven metastasized hemangiopericytoma from the right inguinal region to the liver.
Key words : Hemangiopericytoma ; Hepatic metastasis ; Spindle cell tumor ; Liver tumor. liver