en ارتوپدی Orthopedia گزارش مورد Case Report <p><font face="Times New Roman" size="3">&nbsp;</font></p> <div><font face="Times New Roman" size="3">&nbsp;</font><font face="Times New Roman">&nbsp;</font><font face="Times New Roman" size="3">&nbsp;</font><font face="Times New Roman" size="3">&nbsp;</font><font face="Times New Roman" size="3">&nbsp;</font> <table align="left" cellpadding="0" cellspacing="0" hspace="0" vspace="0"> <tbody> <tr> <td align="left" valign="top"><span style="font-family:;" traditional="">Ewing&#39;s sarcoma is a relatively common malignant bone tumor that typically occurs in long bone diaphyses of adolescents and young adults of 10-30 years old. Often times, all Ewing&#39;s sarcoma of bone have radiographic abnormalities. Diagnosis is usually delayed and can be misdiagnosed as osteomyelitis. Bone to bone metastasis occurs, but soft tissue retro bulbar metastasis is rare. This article presents a 32-year-old man with Ewing&#39;s sarcoma of proximal tibial epiphysis, without any radiographic finding, that was treated as osteomyelitis and progress</span><span style="font-family:;" traditional="">ed as</span><span style="font-family:;" traditional=""> a retro bulbar mass</span><span style="font-family:;" traditional="">. </span><font face="Times New Roman" size="3">&nbsp;</font></td> </tr> </tbody> </table> <font face="Times New Roman" size="3">&nbsp;</font></div> <p><font face="Times New Roman" size="3">&nbsp;</font></p> Ewing′s sarcoma, Epiphysis, Metastasis, Orbit, Tibia, Retrobulbar mass 23 25 http://jsurgery.bums.ac.ir/browse.php?a_code=A-10-61-1&slc_lang=en&sid=1 Reza Abdi reza1352abdi@gmail.com 10031947532846003242 10031947532846003242 No Birjand University of Medical Sciences Mohammad Mehdi Hassanzadeh Taheri mmhtahery35@yahoo.com 10031947532846003243 10031947532846003243 Yes Birjand University of Medical Sciences