Authors

• Amin Karimi, MD
• Maryam Sedaghatnia, MD
• Adel Ebrahimpour, MD
• Seyed Ramin Etemadi, MD Etemadi, MD
• Pejman Moradi, MD
• Ahmad shafaeizadeh, MD

Abstract

Alkaptonuria is a rare metabolic disorder. Symptoms include discoloration of tissues and degenerative joint disease and urinary stones. A 60-year-old man was admitted due to knee and hip pain. Brown lesions on the eye, ear, hand and fingers were visible. Limitation of motion of the hip and knee and elbow was present on both sides. He had history of kidney stones ad Achilles tendon rupture. During hip arthroplasty, black lesions on the greater trochanter and femoral head were visible.

Keywords

• Alkaptonuria
• arthropathy
• Arthroplasty
• HIP
• osteoarthritis