| Pitfalls in MR image interpretation prompting referrals to an orthopedic oncology clinic. | |
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MedLine Citation:
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PMID: 17495294 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Patients referred to the authors' hospital for evaluation on suspicion of a bone or soft-tissue malignancy frequently present to the Orthopaedic Oncology Clinic with magnetic resonance (MR) images that show typical features of nonmalignant or nonneoplastic entities. The purpose of this article is to review the benign entities that may be mistaken by the radiologist for a malignancy and thus lead to needless referral to an orthopedic oncologist. Normal hematopoietic marrow and marrow edema due to a stress reaction may mimic a neoplasm at MR imaging, but knowledge of the typical patterns and locations of these features allows an accurate radiologic interpretation. The MR imaging appearance of osteonecrosis, Paget disease, benign bone lesions, and rheumatologic conditions may be confusing; in such circumstances, radiographic findings may help formulate a correct diagnosis. Knowledge of the common locations and appearances of bursae and ganglia is necessary so that radiologists do not misinterpret these benign entities as soft-tissue sarcomas. Soft-tissue trauma and inflammation also may mimic tumors at MR imaging, but a familiarity with the imaging patterns of nonneoplastic change in muscle allows the avoidance of misinterpretation. The clinical history, as always, is an important component of proper diagnosis. The radiologist can be especially useful to both the clinician and the patient by recognizing entities that are highly unlikely to represent malignancy and by confidently reporting those entities as benign, thereby sparing the patient an unnecessary trip to the orthopedic oncologist. |
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Authors:
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Gregory Scott Stacy; Larry B Dixon |
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Publication Detail:
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Type: Case Reports; Journal Article; Review |
Journal Detail:
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Title: Radiographics : a review publication of the Radiological Society of North America, Inc Volume: 27 ISSN: 1527-1323 ISO Abbreviation: Radiographics Publication Date: 2007 May-Jun |
Date Detail:
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Created Date: 2007-05-14 Completed Date: 2007-06-05 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8302501 Medline TA: Radiographics Country: United States |
Other Details:
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Languages: eng Pagination: 805-26; discussion 827-8 Citation Subset: IM |
Copyright Information:
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(c) RSNA, 2007. |
Affiliation:
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Department of Radiology, University of Chicago Hospitals, 5841 S Maryland Ave, MC 2026, Chicago, IL 60637, USA. sstacy@radiology.bsd.uchicago.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Artifacts* Bone Diseases / diagnosis* Bone Neoplasms / diagnosis Connective Tissue Diseases / diagnosis* Diagnostic Errors / prevention & control* Female Humans Image Enhancement / methods* Male Middle Aged Oncology Service, Hospital Orthopedics Pain Clinics Referral and Consultation* Soft Tissue Neoplasms / diagnosis |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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