{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T15:57:07Z","timestamp":1781711827667,"version":"3.54.5"},"reference-count":26,"publisher":"Norwegian Medical Association","issue":"8","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Tidsskr Nor Legeforen","Tidsskriftet"],"published-print":{"date-parts":[[2014,4,29]]},"DOI":"10.4045\/tidsskr.13.0649","type":"journal-article","created":{"date-parts":[[2014,5,21]],"date-time":"2014-05-21T15:41:53Z","timestamp":1400686913000},"page":"831-5","source":"Crossref","is-referenced-by-count":25,"title":["Porphyrias in Norway"],"prefix":"10.4045","volume":"134","author":[{"given":"Mira","family":"Mykletun","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aasne Karine","family":"Aarsand","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Egil","family":"St\u00f8le","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J\u00f8rild Haugen","family":"Villanger","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mette Christophersen","family":"Toll\u00e5nes","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carl","family":"Baravelli","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sverre","family":"Sandberg","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2479","reference":[{"key":"ref=1","doi-asserted-by":"crossref","unstructured":"Puy H, Gouya L, Deybach JC. Porphyrias. Lancet 2010; 375: 924\u2009\u2013\u200937. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=20226990&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1016\/S0140-6736(09)61925-5","DOI":"10.1016\/S0140-6736(09)61925-5"},{"key":"ref=2","unstructured":"Aarsand AK. Diagnosing and monitoring the porphyrias. With special emphasis on how to interpret changes in urinary porphobilinogen in acute intermittent porphyria, differentiate sporadic and familial porphyria cutanea tarda and on the performance of porphyria specialist laboratories. Doktoravhandling. Bergen: Universitetet i Bergen, 2012."},{"key":"ref=3","doi-asserted-by":"crossref","unstructured":"Aarsand AK, Boman H, Sandberg S. Familial and sporadic porphyria cutanea tarda: characterization and diagnostic strategies. Clin Chem 2009; 55: 795\u2009\u2013\u2009803. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=19233912&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1373\/clinchem.2008.117432","DOI":"10.1373\/clinchem.2008.117432"},{"key":"ref=4","doi-asserted-by":"crossref","unstructured":"Badminton MB, Deacon AC, Elder GH. The porphyrias and other disorders of porphyrin metabolism. I: Burtis CA, Aashwood E, Bruns D, red. Tietz textbook of clinical chemistry and molecular diagnostics. 5. utg. St. Louis, MO: Elsevier Saunders, 2012: 1031\u2009\u2013\u200952.","DOI":"10.1016\/B978-1-4160-6164-9.00033-0"},{"key":"ref=5","doi-asserted-by":"crossref","unstructured":"Bylesj\u00f6 I, Wikberg A, Andersson C. Clinical aspects of acute intermittent porphyria in northern Sweden: a population-based study. Scand J Clin Lab Invest 2009; 69: 612\u2009\u2013\u20098. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=19401933&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1080\/00365510902935979","DOI":"10.1080\/00365510902935979"},{"key":"ref=6","doi-asserted-by":"crossref","unstructured":"Hift RJ, Meissner PN. An analysis of 112 acute porphyric attacks in Cape Town, South Africa: Evidence that acute intermittent porphyria and variegate porphyria differ in susceptibility and severity. Medicine (Baltimore) 2005; 84: 48\u2009\u2013\u200960. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=15643299&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1097\/01.md.0000152454.56435.f3","DOI":"10.1097\/01.md.0000152454.56435.f3"},{"key":"ref=7","unstructured":"Toll\u00e5li G, Nielsen EW, Brekke OL. Akutt intermitterende porfyri. Tidsskr Nor L\u00e6geforen 2002; 122: 1102\u2009\u2013\u20095. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12043053&dopt=Abstract"},{"key":"ref=8","unstructured":"Petersen NE, Brock A. Akutte porfyrisygdomme. Tidsskr Nor Laegeforen 2000; 120: 1421\u2009\u2013\u20093. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10851939&dopt=Abstract"},{"key":"ref=9","doi-asserted-by":"crossref","unstructured":"Rossmann-Ringdahl I, Olsson R. Porphyria cutanea tarda in a Swedish population: risk factors and complications. Acta Derm Venereol 2005; 85: 337\u2009\u2013\u200941. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16191856&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1080\/00015550510033688","DOI":"10.1080\/00015550510033688"},{"key":"ref=10","doi-asserted-by":"crossref","unstructured":"Badenas C, To-Figueras J, Phillips JD et al. Identification and characterization of novel uroporphyrinogen decarboxylase gene mutations in a large series of porphyria cutanea tarda patients and relatives. Clin Genet 2009; 75: 346\u2009\u2013\u200953. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=19419417&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1111\/j.1399-0004.2009.01153.x","DOI":"10.1111\/j.1399-0004.2009.01153.x"},{"key":"ref=11","doi-asserted-by":"crossref","unstructured":"Brady JJ, Jackson HA, Roberts AG et al. Co-inheritance of mutations in the uroporphyrinogen decarboxylase and hemochromatosis genes accelerates the onset of porphyria cutanea tarda. J Invest Dermatol 2000; 115: 868\u2009\u2013\u200974. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11069625&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1046\/j.1523-1747.2000.00148.x","DOI":"10.1046\/j.1523-1747.2000.00148.x"},{"key":"ref=12","doi-asserted-by":"crossref","unstructured":"M\u00e9ndez M, Poblete-Guti\u00e9rrez P, Garc\u00eda-Bravo M et al. Molecular heterogeneity of familial porphyria cutanea tarda in Spain: characterization of 10 novel mutations in the UROD gene. Br J Dermatol 2007; 157: 501\u2009\u2013\u20097. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=17627795&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1111\/j.1365-2133.2007.08064.x","DOI":"10.1111\/j.1365-2133.2007.08064.x"},{"key":"ref=13","doi-asserted-by":"crossref","unstructured":"Christiansen L, Br\u00f8ns-Poulsen J, H\u00f8rder M et al. Expression and characterization of six clinically relevant uroporphyrinogen decarboxylase gene mutations. Scand J Clin Lab Invest 2005; 65: 227\u2009\u2013\u200935. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16095052&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1080\/00365510510013631","DOI":"10.1080\/00365510510013631"},{"key":"ref=14","doi-asserted-by":"crossref","unstructured":"Elder G, Harper P, Badminton M et al. The incidence of inherited porphyrias in Europe. J Inherit Metab Dis 2013; 36: 849\u2009\u2013\u200957. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=23114748&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1007\/s10545-012-9544-4","DOI":"10.1007\/s10545-012-9544-4"},{"key":"ref=15","doi-asserted-by":"crossref","unstructured":"Andersson C, Thunell S, Floderus Y et al. Diagnosis of acute intermittent porphyria in northern Sweden: an evaluation of mutation analysis and biochemical methods. J Intern Med 1995; 237: 301\u2009\u2013\u20098. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7891051&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1111\/j.1365-2796.1995.tb01179.x","DOI":"10.1111\/j.1365-2796.1995.tb01179.x"},{"key":"ref=16","unstructured":"Andersson C. Acute intermittent porphyria in northern Sweden. A population based study. Ume\u00e5: Ume\u00e5 universitet, 1997."},{"key":"ref=17","doi-asserted-by":"crossref","unstructured":"Wahlin S, Floderus Y, St\u00e5l P et al. Erythropoietic protoporphyria in Sweden: demographic, clinical, biochemical and genetic characteristics. J Intern Med 2011; 269: 278\u2009\u2013\u200988. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=20412370&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1111\/j.1365-2796.2010.02236.x","DOI":"10.1111\/j.1365-2796.2010.02236.x"},{"key":"ref=18","doi-asserted-by":"crossref","unstructured":"Holme SA, Anstey AV, Finlay AY et al. Erythropoietic protoporphyria in the U.K.: clinical features and effect on quality of life. Br J Dermatol 2006; 155: 574\u2009\u2013\u200981. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16911284&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1111\/j.1365-2133.2006.07472.x","DOI":"10.1111\/j.1365-2133.2006.07472.x"},{"key":"ref=19","doi-asserted-by":"crossref","unstructured":"Andersson C, Lithner F. Hypertension and renal disease in patients with acute intermittent porphyria. J Intern Med 1994; 236: 169\u2009\u2013\u200975. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=8046316&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1111\/j.1365-2796.1994.tb01279.x","DOI":"10.1111\/j.1365-2796.1994.tb01279.x"},{"key":"ref=20","doi-asserted-by":"crossref","unstructured":"Innala E, Andersson C. Screening for hepatocellular carcinoma in acute intermittent porphyria: a\u00a015-year follow-up in northern Sweden. J Intern Med 2011; 269: 538\u2009\u2013\u200945. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=21198994&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1111\/j.1365-2796.2010.02335.x","DOI":"10.1111\/j.1365-2796.2010.02335.x"},{"key":"ref=21","unstructured":"Anstey AV, Hift RJ. Liver disease in erythropoietic protoporphyria: insights and implications for management. Gut 2007; 56: 1009\u2009\u2013\u200918. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=17360790&dopt=Abstract"},{"key":"ref=22","unstructured":"Nasjonalt kompetansesenter for porfyrisykdommer. www.napos.no (1.1.2013)."},{"key":"ref=23","unstructured":"Goldberg A. Acute intermittent porphyria: a study of 50 cases. Q J Med 1959; 28: 183\u2009\u2013\u2009209. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=13658350&dopt=Abstract"},{"key":"ref=24","doi-asserted-by":"crossref","unstructured":"Stein JA, Tschudy DP. Acute intermittent porphyria. A clinical and biochemical study of 46 patients. Medicine (Baltimore) 1970; 49: 1\u2009\u2013\u200916. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=4907358&dopt=Abstract","DOI":"10.1097\/00005792-197001000-00001"},{"key":"ref=25","doi-asserted-by":"crossref","unstructured":"Millward LM, Kelly P, Deacon A et al. Self-rated psychosocial consequences and quality of life in the acute porphyrias. J Inherit Metab Dis 2001; 24: 733\u2009\u2013\u200947. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11804210&dopt=Abstract","DOI":"10.1023\/A:1012901607040"},{"key":"ref=26","unstructured":"European Porphyria Network. www.porphyria-europe.org (1.1.2012)."}],"container-title":["Tidsskrift for Den norske legeforening"],"original-title":["Porfyrisykdommer i Norge"],"language":"no","deposited":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T15:44:13Z","timestamp":1781711053000},"score":1,"resource":{"primary":{"URL":"https:\/\/tidsskriftet.no\/2014\/04\/originalartikkel\/porfyrisykdommer-i-norge"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,4,29]]},"references-count":26,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2014,4,29]]}},"URL":"https:\/\/doi.org\/10.4045\/tidsskr.13.0649","relation":{},"ISSN":["0029-2001","0807-7096"],"issn-type":[{"value":"0029-2001","type":"print"},{"value":"0807-7096","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,4,29]]}}}