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. 2008 Jul 7;205(7):1701–1714. doi: 10.1084/jem.20071681

Figure 2.

Figure 2.

PET-CT imaging of the self-limited lymphoid organs' enlargement and increased metabolic activity after rhIL-7 therapy. Shown are representative images on PET-CT scan in one subject (42-yr-old female treated with 60 μg/kg/dose). (left) Imaging on day 14 (last day of rhIL-7 treatment). (right) Day 56 (6 wk after the end of treatment). The full ovals indicate areas of increased size (except for vertebral bodies) and activity of lymphoid organs (left and right axillary adenopathy, spleen, and lumbar spine) at the end of treatment. The dotted contours indicate the thymic area where no increased activity can be demonstrated at day 14. Increased metabolic activity is seen in pink and maximal in yellow areas.