滑膜肉瘤影像英文ppt课件

1、.1，imaging of synovial sar coma with radio logic-pathologic correlation，2，Synovial sar coma is the fourth most common malignant primary soft-tissue neo plas mm。the radio logic manifestation s and spectrum of synovial sar coma refle Ct the underslying pathologic appearance。we have reviewed、illustrate

2、d、and correlated the clinical、pathologic、And radio logic features of synovial sar coma as well as ts，3，Although the radiographic character istics of synovial sarcoma Are not pathognomonic，the findings of a soft-tissue mass，partt，4，They also frequently reveal suggestive appearances of multilobulation

3、 And marked heter ogeneity(creating the triple sign)wiintwo features associated with synovial sarcoma that may lead to an initial mistaken diagnosisis of a benign indolent process are slow growthInaddition，these lesions may demon strate well-defined margins and homogeneous appearance on cross-sectio

4、nal images。5，Synovial sar coma is an intermediate-to high-grade lesion，and，despite initial aggressive wide surgical resectionunderstanding and recognizing the spectrum of radio logic appearances and Their pathologic bases allow improved patient assessment and are imports，6，Synovial sar coma with an

5、inter muscular origin adjacent to the hip of an 18-year-oldman who notiiced an enlarging soft-tissue manage(a，B)Axial T1-weighted (a，)and T2-weighted(B)magnetic resonance(Mr)images show a large juxxthe lesion is centered Between the rectus(arrow)、tensor fascia lata (t)、and sartorius (s) muscles、Whic

6、h are(c)Photographics of the axially sectioned gross specifics reveals similar features with a sept ated，Multilobulated soft-tissue mass，7，8，Synovial sar coma of the posterior chest wall in a 31-year-oldman with a non tender，progressivery enlarging，Soft(a)axial post contrast computed tomo graphic(CT

7、)scan shows a large posterior chest wall mass with low attenuation centrally()(b)Photograph of the axially sectioned gross specific reveals similar features，With nec rosis(n)centrally and a thick nodule，9，10，Synovial sar coma adjacent to the ankle in a 37-year-old woman with a soft-tissue mass noted

8、 after trauma and development of hhhh(a)Angioram shows dense tumor staining and neo vascularity(arrow head)Of the large soft-tissue mass adjacent to the ankle。the posterior tibial artery is displaced(arrows)。(b)axial T2-weighted(2000/80)Mr image reveals marked heter ogeneity And multilobulation(c)pho