(Radiology. 1999;211:471.)
© RSNA, 1999
Case 141
Avinash R. A. Balkissoon, MB, BS, FRCR and
Curtis W. Hayes, MD
1 From the Department of Radiology, Medical College of Virginia of Virginia Commonwealth University, 401 N 12th St, Richmond, VA 23298-0615. Received May 7, 1998; revision requested June 17; revision received July 28; accepted December 16. Address reprint requests to A.R.A.B.
Index terms: Diagnosis please
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HISTORY
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A 39-year-old woman experienced intermittent severe pain in both lower legs for several years. The pain alternated from side to side and had been worsening over the past 6 months. The woman was otherwise healthy; results of all laboratory tests were normal. In terms of activity, the woman was an avid "power walker," although she had to curtail this activity owing to pain. There was no relevant past medical or family history.
Radiographs of both lower legs were obtained 1 year apart. Findings on a radionuclide bone scan, not shown here, were positive only in the areas of abnormality seen on the radiographs.

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Figure 2a. (a) Frontal and (b) lateral radiographs of the right leg and (c) frontal and (d) lateral radiographs of the left leg obtained 1 year after the radiographs in Figure 1.
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Figure 2b. (a) Frontal and (b) lateral radiographs of the right leg and (c) frontal and (d) lateral radiographs of the left leg obtained 1 year after the radiographs in Figure 1.
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Figure 2c. (a) Frontal and (b) lateral radiographs of the right leg and (c) frontal and (d) lateral radiographs of the left leg obtained 1 year after the radiographs in Figure 1.
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Figure 2d. (a) Frontal and (b) lateral radiographs of the right leg and (c) frontal and (d) lateral radiographs of the left leg obtained 1 year after the radiographs in Figure 1.
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Footnotes
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E-mail the most likely diagnosis to dxplease@rsna.org (use only for submission of diagnosis). Include case number, your name (as you would want it to appear in the journal), address, phone and fax numbers. Only one case, one name, and one diagnosis per e-mail submission. Multiple diagnoses, multiple submissions, submissions without a case number will not be considered. Deadline: July 15, 1999. Answer will appear in the September issue. Authors wishing to submit cases for Diagnosis Please should first write to the Editor to obtain approval for the case and further information.