TY - JOUR ID - 6318 TI - Aneurysmal Bone Cyst: An Analysis of 38 Cases and Report of Four Unusual Surface Ones JO - The Archives of Bone and Joint Surgery JA - ABJS LA - en SN - 2345-4644 AU - Shooshtarizadeh, Tina AU - Movahedinia, Sajjadeh AU - Mostafavi, Hassan AU - Jamshidi, Khodamorad AU - Sami, Sam AD - Department of Pathology and Laboratory Medicine, Shafa Yahyaeyan Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran AD - Department of Pathology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran AD - Department of Radiology, Iran University of Medical Sciences, Tehran, Iran AD - Orthopedic Oncology Department, Shafa Yahyaean Hospital, Iran University of Medical Sciences, Tehran, Iran Y1 - 2016 PY - 2016 VL - 4 IS - 2 SP - 166 EP - 172 KW - Aneurysmal bone cyst KW - Cortical KW - Histopathology KW - Radiography KW - Subperiosteal DO - 10.22038/abjs.2016.6318 N2 -    Aneurysmal bone cyst (ABC) is a benign expansile bone tumor, most commonly involving the medulla of long bones. ABC rarely arises within the cortex or in the subperiosteal region, radiographically mimicking other conditions, in particular surface osteosarcomathat is low-grade in nature and may go secondary ABC changes, and telangiectatic osteosarcoma. Both of these are sometimes mistaken microscopically for primary ABC. We review the characteristics of ABC cases in our center and report four unusualsurface ABCs arising in the subperiosteal or cortical region of long bones, identified among 38 histologically proven ABCs during a four-year period in our center. The surface ABCs occurred at an older agewith a predilection for diaphysis of femur, tibia, and humerus. UR - https://abjs.mums.ac.ir/article_6318.html L1 - https://abjs.mums.ac.ir/article_6318_e223d7ac84bd8efad98078d9ea4aa444.pdf ER -