18F-FDG uptake in the hands and feet of participants with AIA (IMAGE)

Society of Nuclear Medicine and Molecular Imaging

18F-FDG uptake in the hands and feet of participants with AIA

Caption

18F-FDG uptake in hands and feet of participants with AIA. (A) A 54-y-old man with PsA showing elevated uptake at multiple hand joints. Raylike distribution, as indicated by arrows, in metacarpophalangeal (MCP), proximal interphalangeal (PIP), and distal interphalangeal (DIP) joints in sequence, attributed to involvement of flexor or extensor tendons. (B) A 47-y-old woman with RA, showing involvement of entire row of MCP (arrowheads, right hand) and PIP/interphalangeal (IP) joints (arrowheads, left hand). (C) Feet images of same PsA participant in A, demonstrating increased uptake at ankle joints (dashed circles), more intense on the left side, and left first IP and fifth metatarsophalangeal (MTP) joints (arrows). (D) Feet images of a 71-y-old man with RA, demonstrating bilateral, rather symmetric, uptake around ankles as well as right first MTP and left first IP joints, suggestive of synovitis (arrowheads).

Credit

Image created by Y Abdelhafez and A Chaudhari et al, University of California, Davis, Sacramento, CA, USA

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