%0 Journal Article %T Ochronosis: a case of severe ochronotic arthropathy %A Berat Meryem Alkan %A Fatma Fidan Y£¿ld£¿z %A Aliye Tosun %A £¿¨¹kran Erten %J Rheumatology Reports %D 2011 %I PAGEPress Publications %R 10.4081/rr.2011.e8 %X Ochronosis involves primarily the large cartilaginous joint surfaces, ribs, intervertebral discs, ear cartilage etc. We report on a 52-year-old woman with typical alkaptonuric ochronosis with dark urine, blue-black pigmentation of the auriculae and hands, spondylarthropathy and severe hip and shoulder joints involvement. The differential diagnosis of this rare condition is discussed with a review of the literature. %K ochronosis %K alkaptonuria %K arthritis %U http://www.pagepress.org/journals/index.php/rr/article/view/3364