Article ID Journal Published Year Pages File Type
5653313 Journal of Clinical Orthopaedics and Trauma 2017 4 Pages PDF
Abstract

Alkaptonuria is a rare inherited metabolic disorder, caused by the deficiency of homogentisate 1,2 dioxygenase enzyme. The three major features of alkaptonuria are the presence of homogentisic acid in urine, ochronosis (bluish-black pigmentation in connective tissue) and arthritis of the spine and large joints.We present a 48 years old female presented with pain, restriction of movements of right shoulder. Arthroscopy was suggestive of ochronotic arthropathy. The definitive diagnosis of ochronosis was subsequently confirmed by laboratory and pathologic evaluation.

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