title: Malignant Myopericytoma of Shoulder: A Rare Lesion.
abstract: Myopericytoma is a soft tissue tumor with perivascular myoid differentiation. It accounts for 1% of the vascular tumors and involves mostly cutaneous or subcutaneous tissue of the limbs in adults. Malignant myopericytoma is exceedingly rare. A 15-year old girl presented with slowly progressive mass over left shoulder region. Histopathology and immunohistochemistry after complete excision revealed it as malignant myopericytoma.
authors.affiliation: Department of Pathology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
authors.forename: Fariba
authors.initials: F
authors.lastname: Binesh
authors.affiliation: Department of Radiology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
authors.forename: Reza Nafisi
authors.initials: RN
authors.lastname: Moghadam
authors.affiliation: Department of Radiotherapy, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
authors.forename: Masoud
authors.initials: M
authors.lastname: Shabani
authors.affiliation: Department of Oncology, Yazd Branch, Islamic Azad University, Yazd, Iran.
authors.forename: Mohammad Reza
authors.initials: MR
authors.lastname: Mortazavizadeh
authors.affiliation: Department of Radiology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
authors.forename: Saeedeh
authors.initials: S
authors.lastname: Zare
keywords: Malignant; Myopericytoma; Rare tumor