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Alkaptonuria patient’s urine used as film developer

Posted 13 June, 2006 in Random

This is bizarre:

This picture of a patient who had alkaptonuria (Fig. 1) was taken by my father, Dr. Ian Maxwell, in 1957 and was developed using the patient’s own urine [emphasis added].

Alkaptonuria was the first described “inborn error of metabolism.” This rare (< 1 per 250 000 births) hereditary recessive disorder is characterized by a triad of excretion of homogentisic acid in the urine, ochronosis (dark pigmentation of the connective tissues) and early-onset arthritis…

Continue reading and see urine-developed photo in the Canadian Medical Association Journal

Via f295 DIY Photography Forum member taco

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