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FIGURE 3. Transaxial T2-weighted MR image (A) shows small hyperintense lesion in uterine cervix (arrow). In 18F-FDG PET image (B), tumor visualization is obscured by high bladder activity. 11C-Choline PET image (C) clearly shows intense tumor uptake (arrow), corresponding to cervical cancer. No bladder activity is seen in 11C-choline PET image. Surgical histologic examination revealed spindle cell carcinoma (9 x 6 mm, stage IB). BL = bladder activity; IS = physiologic uptake of 11C-choline in bilateral ischia.
