Case Report: Primary Aneurysmal Bone Cyst of the Epiphysis |
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Authors: | Gilbert Chan Alexandre Arkader Raymond Kleposki John P Dormans |
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Institution: | (1) Division of Orthopaedic Surgery, The Children’s Hospital of Philadelphia, 2nd Floor, Wood Building, 34th and Civic Center Boulevard, Philadelphia, PA 19104, USA;(2) Children’s Orthopaedic Center, Children’s Hospital Los Angeles, Los Angeles, CA, USA;(3) Keck School of Medicine, University of Southern California, Los Angeles, CA, USA; |
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Abstract: | Aneurysmal bone cysts are benign active or aggressive bone tumors that commonly arise in the long bones, especially the femur,
tibia, and humerus and the posterior elements of the spine. Aneurysmal bone cysts affect all age groups but are more common
before skeletal maturity (first two decades of life). They usually involve the metaphysis or metadiaphyseal region of long
bones. Although juxtaphyseal lesions abutting the growth plate and extending into the epiphysis have been described, there
is no report of an aneurysmal bone cyst entirely and primarily located in the epiphysis. We report on a 3-year-old boy who
presented with an entirely contained aneurysmal bone cyst to the proximal tibial epiphysis. We discuss the clinical presentation,
diagnosis, including imaging and pathology, and treatment. A review of the pertinent literature also is presented. |
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