ICD-11 definition : This refers to a sporatic disease which is named because it is a porphyria that often
presents with skin manifestations later in life. The disorder results from low levels
of the enzyme responsible for the fifth step in heme production.;
This refers to a sporatic disease which is named because it is a porphyria that often
presents with skin manifestations later in life. The disorder results from low levels
of the enzyme responsible for the fifth step in heme production.