TY - JOUR
T1 - Periosteal Ewing sarcoma
AU - Shapeero, Lorraine G.
AU - Vanel, Daniel
AU - Sundaram, Murali
AU - Ackerman, Lauren V.
AU - Wuisman, Paulus
AU - Bauer, Thomas W.
AU - Neuenschwander, Sylvia
AU - Contesso, Genevieve
AU - Janney, Christine
AU - McDonald, Douglas J.
AU - Genin, Jean
PY - 1994/6
Y1 - 1994/6
N2 - PURPOSE: To evaluate the imaging and histopathologic findings and clinical course of patients with periosteal Ewing sarcoma (PES). MATERIALS AND METHODS: Conventional radiographs, computed tomographic (CT) scans, and magnetic resonance (MR) images in 10 adolescents and one adult were evaluated for the extent and character of PES. RESULTS: Ten of 11 masses were in the proximal extremities and one in the fibula; nine were diaphyseal and two, metadiaphyseal. Radiographs and CT scans showed a subperiosteal mass that did not invade the medullary cavity, was contiguous with and elevated the periosteum, and produced a Codman triangle and periosteal reaction. No PES exhibited osseous or cartilaginous matrix calcifications. MR imaging and histopathologic examination helped confirm the sparing of cancellous bone and the subperiosteal location. CONCLUSION: PES differs from the more common medullary and soft-tissue Ewing sarcomas in location, marked male predominance, and lack of presenting metastases. Except for the absence of matrix calcifications, PES resembles other periosteal sarcomas in imaging characteristics and a less aggressive clinical course.
AB - PURPOSE: To evaluate the imaging and histopathologic findings and clinical course of patients with periosteal Ewing sarcoma (PES). MATERIALS AND METHODS: Conventional radiographs, computed tomographic (CT) scans, and magnetic resonance (MR) images in 10 adolescents and one adult were evaluated for the extent and character of PES. RESULTS: Ten of 11 masses were in the proximal extremities and one in the fibula; nine were diaphyseal and two, metadiaphyseal. Radiographs and CT scans showed a subperiosteal mass that did not invade the medullary cavity, was contiguous with and elevated the periosteum, and produced a Codman triangle and periosteal reaction. No PES exhibited osseous or cartilaginous matrix calcifications. MR imaging and histopathologic examination helped confirm the sparing of cancellous bone and the subperiosteal location. CONCLUSION: PES differs from the more common medullary and soft-tissue Ewing sarcomas in location, marked male predominance, and lack of presenting metastases. Except for the absence of matrix calcifications, PES resembles other periosteal sarcomas in imaging characteristics and a less aggressive clinical course.
KW - Bone neoplasms
KW - Bone neoplasms, diagnosis
KW - Ewing sarcoma
UR - http://www.scopus.com/inward/record.url?scp=0028342841&partnerID=8YFLogxK
U2 - 10.1148/radiology.191.3.8184073
DO - 10.1148/radiology.191.3.8184073
M3 - Article
C2 - 8184073
AN - SCOPUS:0028342841
SN - 0033-8419
VL - 191
SP - 825
EP - 831
JO - Radiology
JF - Radiology
IS - 3
ER -