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Neglected Alkaptonuric Patient Presenting With Steppage Gait



Mirzashahi B1 ; Najafi A1 ; Farzan M1 ; Tafakhori A2
Authors

Source: Archives of Bone and Joint Surgery Published:2016

Abstract

Even though intervertebral disc degeneration can be found in the natural course of alkaptonuria, detection of the disease by black disc color change in a patient without any other presentation of alkaptonuria is an exceptionally rare condition. We have reported a very rare case of alkaptonuria presented with low back pain and steppage gait in a 51-year-old male with a complaint of chronic low-back pain and steppage gait who was operated on for prolapsed lumbar disc herniation. Intraoperatively his lumbar disk was discovered to be black. The alkaptonuria diagnosis was considered after histopathological examination of the black disc material and elevated urinary concentration of homogentisic acid confirmed the diagnosis. To our knowledge, this presentation has not been reported previously in literature. ©BY THE ARCHIVES OF BONE AND JOINT SURGERY.
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