Malignant mesenchymal soft tissue tumor that synthesizes osteoid, bone, or chondroid material, excluding similar lesions that arise from bone
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Nuclear Medicine Findings
Angiographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Veselis CA et al: Bone tumors occurring in the soft tissues: a review of the clinical, imaging, and histopathologic findings. Curr Probl Diagn Radiol. 50(3):419-29, 2021
Kao YC et al: What is new about the molecular genetics in matrix-producing soft tissue tumors? The contributions to pathogenetic understanding and diagnostic classification. Virchows Arch. 476(1):121-34, 2020
Yamashita K et al: Extraskeletal osteosarcoma. In Fletcher CDM et al: World Health Organization Classification of Tumours: Soft Tissue and Bone Tumours. 5th ed. IARC Press. 224-5, 2020
Roller LA et al: Clinical, radiological, and pathological features of extraskeletal osteosarcoma. Skeletal Radiol. 47(9):1213-20, 2018
Kransdorf MJ et al: Extraskeletal osseous and cartilaginous lesions. In Kransdorf MJ et al: Imaging of Soft Tissue Tumors. 3rd ed. Lippincott Williams & Wilkins. 572-5, 2014
Mc Auley G et al: Extraskeletal osteosarcoma: spectrum of imaging findings. AJR Am J Roentgenol. 198(1):W31-7, 2012
Weiss SW et al: Osseus soft tissue tumors. In Weiss SW et al: Enzinger and Weiss' Soft Tissue Tumors. 5th ed. Elsevier. 1051-9, 2008
Konishi E et al: Extraskeletal osteosarcoma arising in myositis ossificans. Skeletal Radiol. 30(1):39-43, 2001
Dubec JJ et al: Soft tissue osteosarcoma with telangiectatic features: MR imaging findings in two cases. Skeletal Radiol. 26(12):732-6, 1997
Related Anatomy
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
Soft tissue osteosarcoma
Definitions
Malignant mesenchymal soft tissue tumor that synthesizes osteoid, bone, or chondroid material, excluding similar lesions that arise from bone
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Nuclear Medicine Findings
Angiographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Veselis CA et al: Bone tumors occurring in the soft tissues: a review of the clinical, imaging, and histopathologic findings. Curr Probl Diagn Radiol. 50(3):419-29, 2021
Kao YC et al: What is new about the molecular genetics in matrix-producing soft tissue tumors? The contributions to pathogenetic understanding and diagnostic classification. Virchows Arch. 476(1):121-34, 2020
Yamashita K et al: Extraskeletal osteosarcoma. In Fletcher CDM et al: World Health Organization Classification of Tumours: Soft Tissue and Bone Tumours. 5th ed. IARC Press. 224-5, 2020
Roller LA et al: Clinical, radiological, and pathological features of extraskeletal osteosarcoma. Skeletal Radiol. 47(9):1213-20, 2018
Kransdorf MJ et al: Extraskeletal osseous and cartilaginous lesions. In Kransdorf MJ et al: Imaging of Soft Tissue Tumors. 3rd ed. Lippincott Williams & Wilkins. 572-5, 2014
Mc Auley G et al: Extraskeletal osteosarcoma: spectrum of imaging findings. AJR Am J Roentgenol. 198(1):W31-7, 2012