[Two cases of Richner-Hanhart syndrome (oculocutaneous tyrosinemia)]. / To tilfaelde af Richner-Hanharts syndrom (okulokutan tyrosinaemi).

ABSTRACT

Richner-Hanhart syndrome or oculocutaneous tyrosinemia is characterized by painful palmo-plantar keratoderma, keratitis with photophobia and progressive mental impairment. The syndrome is caused by deficient hepatic tyrosine aminotransferase and is inherited as an autosomal recessive trait. We report a 28 year-old woman with lifelong photophobia, eye pain and painful plantar hyperkeratotic lesions, necessitating use of a wheelchair. A few days after instituting tyrosine lowering therapy, her eye symptoms disappeared and she could walk without pain. Her brother was later diagnosed with the same disease.