The Journal of Bone and Joint Surgery (American). 2007;89:103-115.
doi:10.2106/JBJS.G.00711
© 2007 The Journal of Bone and Joint Surgery, Inc.
Magnetic Resonance Imaging of Soft-Tissue Tumors: Determinate and Indeterminate Lesions
Derek F. Papp, MD,
A. Jay Khanna, MD,
Edward F. McCarthy, MD,
John A. Carrino, MD, MPH,
Adam J. Farber, MD and
Frank J. Frassica, MD
Corresponding author: A. Jay Khanna, MD c/o Elaine P. Henze, BJ, ELS,
Medical Editor, Department of Orthopaedic Surgery, Johns Hopkins Bayview
Medical Center, 4940 Eastern Avenue, #A672, Baltimore, MD 21224-2780.
E-mail address:
ehenze1@jhmi.edu
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Introduction
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The evaluation of patients with soft-tissue masses must be done in a
systematic fashion to prevent management errors. Although most soft-tissue
masses (approximately 99%) are benign, an error in the management of a
soft-tissue sarcoma can lead to limb loss or adversely affect
survival1. Before
magnetic resonance imaging became easily available, physicians relied on the
patient's history, physical examination, conventional radiographs, and
computed tomography scans for decision-making. These modalities often were
insufficient for establishing a definitive diagnosis. The patient's history
alone cannot provide enough information for a diagnosis and, in fact, may be
misleading. For example, lesions identified after a traumatic episode are not
necessarily traumatic in origin; only half of soft-tissue sarcomas are painful
at presentation2,
and the growth rate may not assist in the diagnosis (slow-growing lesions can
be malignant or benign). Similarly, although a patient may present with
systemic symptoms, the lack of systemic symptoms . . . [Full Text of this Article]

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