Introduction: Ossifying fibromixoid tumor of soft parts (OFMT) is a rare soft tissue and bone tumor. In its classic form, is considered benign, nevertheless aggressive clinical behaviour tumors with a different cytoarchitectural features of a malignant variant, have been described.The classification contains “typical”, “atypical” and “malignant” variants. Methods: A CT ear scan without contrast enhancement was carried out (October 2015), with coronal, sagittal and 3D reconstructions. It was decided the removal of the neoformation with a simple dissection. Results: In this report, we present a case of a typical variant OFMT localized in the retroauricular perimastoid region, with mastoid bone cortex not involved. Conclusions: Considering the extreme rarity of this “enigmatic” tumor which displays an uncertain line of differentiation, renders the differential diagnosis a true challenge.

A rare case report of a typical variant ossifying fibromyxoid tumor (OFMT), located in the retroauricular perimastoid region

Eibenstein A.
Membro del Collaboration Group
;
2018

Abstract

Introduction: Ossifying fibromixoid tumor of soft parts (OFMT) is a rare soft tissue and bone tumor. In its classic form, is considered benign, nevertheless aggressive clinical behaviour tumors with a different cytoarchitectural features of a malignant variant, have been described.The classification contains “typical”, “atypical” and “malignant” variants. Methods: A CT ear scan without contrast enhancement was carried out (October 2015), with coronal, sagittal and 3D reconstructions. It was decided the removal of the neoformation with a simple dissection. Results: In this report, we present a case of a typical variant OFMT localized in the retroauricular perimastoid region, with mastoid bone cortex not involved. Conclusions: Considering the extreme rarity of this “enigmatic” tumor which displays an uncertain line of differentiation, renders the differential diagnosis a true challenge.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11697/159770
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