Key result
Hepatic posterior segmentectomy for 3-cm angiosarcoma yields a positive margin due to unexpected microscopic invasion.
Why the study?
Hepatic angiosarcoma is a rare disease with poor prognosis and limited reports on surgical resection due to advanced stage at diagnosis.
Case Report (n=1)
No
Imaging and macroscopic findings may underestimate the extent of tumor spread in hepatic angiosarcoma, complicating surgical management.
Microscopic sinusoidal infiltration may cause positive margins despite gross clearance in hepatic angiosarcoma; this case leaves open optimal margin assessment and surgical planning.
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Aoki et al. (2021) conducted a case report in Hepatic angiosarcoma (n=1). Hepatic posterior segmentectomy was evaluated. Hepatic posterior segmentectomy for a 3-cm hepatic angiosarcoma resulted in a pathologically positive surgical margin due to more extensive microscopic invasion than expected on imaging.
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