| Dedifferentiated liposarcoma of the retroperitoneum with osteosarcomatous component: report of two cases. | |
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MedLine Citation:
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PMID: 19135935 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We describe two cases of ossified soft tissue tumors of the retroperitoneum. Computed tomographic and magnetic resonance imaging both revealed retroperitoneal masses consisting of two components -- densely ossified and lipid-rich components. In one case, a 50-year-old man, a histological diagnosis of dedifferentiated liposarcoma with osteosarcoma was made based on the needle biopsy of the two components. In another case, a 54-year-old man, surgical resection of the complex perirenal mass was performed and the same diagnosis was made. Although an ossified component represent high-grade lesion, the fatty component is an important clue to the diagnosis of dedifferentiated liposarcoma. The imaging features may be similar to those of malignant mesenchymoma, which is not a currently used term. |
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Authors:
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Takashi Toshiyasu; Shigeru Ehara; Takehiko Yamaguchi; Jun Nishida; Hideo Shiraishi |
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Publication Detail:
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Type: Case Reports; Journal Article |
Journal Detail:
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Title: Clinical imaging Volume: 33 ISSN: 1873-4499 ISO Abbreviation: Clin Imaging Publication Date: 2009 Jan-Feb |
Date Detail:
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Created Date: 2009-01-12 Completed Date: 2009-04-01 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8911831 Medline TA: Clin Imaging Country: United States |
Other Details:
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Languages: eng Pagination: 70-4 Citation Subset: IM |
Affiliation:
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Department of Radiology, Iwate Medical University School of Medicine, Morioka, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Humans Liposarcoma / radiography* Male Middle Aged Neoplasms, Multiple Primary / radiography* Osteosarcoma / radiography* Retroperitoneal Neoplasms / radiography* Tomography, X-Ray Computed / methods* |
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