RT Journal Article SR Electronic T1 Synovial sarcomas of the head and neck: CT and MR findings. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1459 OP 1462 VO 13 IS 5 A1 Sigal, R A1 Chancelier, M D A1 Luboinski, B A1 Shapeero, L G A1 Bosq, J A1 Vanel, D YR 1992 UL http://www.ajnr.org/content/13/5/1459.abstract AB The authors present three cases of histologically proved synovial sarcoma. CT is useful in assessing erosive or destructive changes in bone, and in demonstrating calcifications. MR characteristics are nonspecific; calcifications within these tumors can be missed on MR. MR can help to assess tumor extension, vascular invasion, and hemorrhage within the tumor.