Case contributed by Dr Mohammad Taghi Niknejad


42 Y/O patient , a known case of alkaptonuria.

Patient Data

Age: 42
Gender: Male
Race: Middle eastern

On spine xrays there is multi level intervertebral disc calcification with disc space narrowing. Mild chondrocalcinosis also is noted at auricle and nasal cartilages. 

A case of prof. Saeed Rad, Tabriz,Iran.

Case Discussion

The findings in a patient with known alkaptonuria are consistent with ochronosis. The term ochronosis usually refers to the bluish black discoloration of certain tissues, such as the ear cartilage and the ocular tissue, seen with alkaptonuria. Some authorities however refer to musculoskeletal manifestations of alkaptonuria as ochronosis.

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Case information

rID: 21293
Published: 14th Jan 2013
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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