Pilot study: possible association of IL10 promoter polymorphisms with CRMO J. HamelD. PaulC. M. Hedrich Letter to the Editor 15 January 2011 Pages: 555 - 556
Membrano-cystic lesions associated with rheumatoid arthritis Kentaro OkuYasunobu KatoToshiyuki Yamamoto Letter to the Editor 19 January 2011 Pages: 557 - 559
Tenosynovitis of the flexor foot tendons secondary to pes cavus: value of sonography Serdar KesikburunKoray AydemirAhmet Özgül Letter to the Editor 19 January 2011 Pages: 561 - 562
Necrosis of mesenteric lymph nodes in Henoch–Schönlein purpura Pietro FerraraDonato RiganteAchille Stabile Letter to the Editor 22 January 2011 Pages: 563 - 564
Hipopituitarism due to primary empty sella and uncommon muscular symptoms Enrique Anton Letter to the Editor 22 January 2011 Pages: 565 - 566
Imaging of Jaccoud’s arthropathy in systemic lupus erythematosus: not only hands but also knees and feet Daniel Sá RibeiroMittermayer Santiago Letter to the Editors 23 January 2011 Pages: 567 - 568