ICD-11 definition : Congenital erythropoietic porphyria, or Günther disease, is a rare autosomal recessive
disorder due to mutations in the gene encoding uroporphyrinogen III synthase. This
results in the accumulation of abnormal porphyrins in erythrocytes and manifests as
very severe and mutilating photosensitivity.;
Congenital erythropoietic porphyria, or Günther disease, is a rare autosomal recessive
disorder due to mutations in the gene encoding uroporphyrinogen III synthase. This
results in the accumulation of abnormal porphyrins in erythrocytes and manifests as
very severe and mutilating photosensitivity.