Miscellaneous Bone Disorders.

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Abstract

[Indexed for MEDLINE] 6. Skeletal Radiol. 2023 Apr;52(4):633-648. doi: 10.1007/s00256-022-04193-4. Epub 2022 Oct 4. Extra-skeletal osteosarcoma: a review. Hesni S(1), Lindsay D(2), O'Donnell P(3), Saifuddin A(3). Author information: (1)Department of Radiology, Royal National Orthopaedic Hospital (RNOH), Stanmore, UK. susan.hesni@nhs.net. (2)Department of Histopathology, Royal National Orthopaedic Hospital (RNOH), Stanmore, UK. (3)Department of Radiology, Royal National Orthopaedic Hospital (RNOH), Stanmore, UK. Extra-skeletal osteosarcoma is a rare malignant soft tissue sarcoma which can cause a diagnostic challenge due to its non-specific presentation and soft tissue mineralisation, thus potentially mimicking conditions such as myositis ossificans. This review will outline the demographics, clinical presentation, key imaging features, differential diagnosis, management and outcomes of extra-skeletal osteosarcoma and serve as a reference to radiologists and other clinicians involved in the care of patients with soft tissue tumours and tumour-like lesions. © 2022. The Author(s), under exclusive licence to International Skeletal Society (ISS). DOI: 10.1007/s00256-022-04193-4