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FIGURE 10. Lateral knee pain with previous lateral meniscectomy. (A) Blood-pool scan showing hyperemia of synovial lining (pes anserine bursitis) and bony lateral tibial plateau. Arrow points to bursitis. (B) Large joint effusion and anserine bursitis (arrow) in same medial area of knee as in A. (D) Delayed image showing only single remaining hot area for lateral plateau. (E) Coronal short-
inversion recovery MR image showing intact meniscal remnant (large arrow) and lateral tibial plateau signal abnormality (small arrow). (C and F) Fused 18F scan and MR image of knee localizing and confirming lateral plateau injury.