“Hey!- Whatever Happened to Hemangiopericytoma and Fibrosarcoma?” An Update on Selected Conceptual Advances in Soft Tissue Pathology Which Have Occurred Over the Past 50 Years
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Abstract
Hemangiopericytoma and fibrosarcoma represented at one time two of the most common
diagnoses in soft tissue pathology. Both terms are now largely extinct. This article
will review the clinicopathologic, immunohistochemical and molecular genetic advances
that have led to these changes, and review the pathologic features of a select group
of soft tissue tumors previously classified as hemangiopericytoma or fibrosarcoma.