Dactylitis of the thumb and the little finger extending to the carpal tunnel.

@article{Olivieri2007DactylitisOT,
  title={Dactylitis of the thumb and the little finger extending to the carpal tunnel.},
  author={Ignazio Olivieri and Enrico Scarano and Angela Padula and Vincenzo Giasi},
  journal={The Journal of rheumatology},
  year={2007},
  volume={34 5},
  pages={1155-6}
}