PMC3628262_01
Planar bone scan (a and b) of a 43-year-old female patient, a known case of adenocarcinoma of right lung. Focal, intense tracer uptake seen in left pelvic cavity (arrow)
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F1
The scan showed abnormal, focal increased tracer uptake in left pelvic cavity, not localizing to any bone of the skeleton [Figures 1a and b, arrows].
Correlative single photon emission computed tomography and computed tomography fusion imaging localized this uptake to a phlebolith in left iliac vein (arrow)
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F2
On single photon emission computed tomography and computed tomography (SPECT-CT) imaging, the focal tracer uptake localized to a small focus of calcification in the left pelvic cavity away from the ureter [Figure 2, arrow].
Ultrasonography of the pelvis showing ureteric jets bilaterally (arrows), ruling out obstruction (calculus) in the ureter
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F3
An additional ultrasonography of the pelvis confirmed that there was no ureteric calculus [Figure 3].