Source:http://linkedlifedata.com/resource/umls/id/C0162532
NCI: An autosomal dominant disorder of porphyria-heme metabolism. It is manifested with acute attacks including abdominal pain, vomiting, diarrhea, constipation, seizures, anxiety, and confusion. Patients may experience skin sensitivity to sunlight.,MSH: An autosomal dominant porphyria that is due to a deficiency of protoporphyrinogen oxidase (EC 1.3.3.4) in the LIVER, the seventh enzyme in the 8-enzyme biosynthetic pathway of HEME. Clinical features include both neurological symptoms and cutaneous lesions. Patients excrete increased levels of porphyrin precursors, COPROPORPHYRINS and protoporphyrinogen.