[Isolated hyperferritinemia in a healthy male infant: hereditary hyperferritinemia-cataract syndrome].

The case of a male infant who was found to have hyperferritinemia was made at the age of 3 months is described. The patient and several members of his family from three generations were diagnosed with hereditary hyperferritinemia-cataract syndrome with a new point mutation in the iron-responsive element of the L-ferritin gene. Differential diagnosis of hyperferritinemia is discussed with emphasis on the need for the knowledge of this entity to avoid unnecessary investigations.