Publications by authors named "P Rac"
Background: Biphenotypic sinonasal sarcoma (BFSS) is a topographically specific low-grade sarcoma that was first described only 10 years ago. The term biphenotypic comes from the co-expression of markers of muscle differentiation and neural crest that is characteristic for this tumor.
Case: A 78-year-old woman manifested with prolonged breathing difficulties through the left nasal passage.