{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T04:20:26Z","timestamp":1790742026658,"version":"4.1.0"},"reference-count":24,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,10,8]],"date-time":"2019-10-08T00:00:00Z","timestamp":1570492800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Dermatology"],"published-print":{"date-parts":[[2020,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Hidradenitis suppurativa (HS) and psoriasis (PSO) appear to share important pathogenic elements; in spite of this, the co\u2010occurrence of the two has been widely unexplored.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>To explore the co\u2010occurrence of HS and PSO, we recorded the number of patients attending the outpatient clinic at the Department of Dermatology, Zealand University Hospital, Roskilde, Denmark, for the ICD10 diagnosis HS (DL73.2) or PSO (DL40.0, DL40.3, DL40.4, DL40.8, and DL40.9). Data were further compared with previously reported Danish national prevalence rates for HS and PSO.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 1,036 patients were included from the outpatient clinic: 440 HS, 624 PSO, and 28 with both diagnoses. In total 6.4% of HS patients had PSO, and 4.5% of PSO patients had HS. HS patients had OR\u00a0=\u00a02.99 (95% CI 2.04\u20134.38) of having PSO as compared to the background population. For PSO patients, they had OR\u00a0=\u00a02.56 (95% CI 1.74\u20133.77).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>We found a strong association between HS and PSO, which implies a possible comorbidity between PSO and HS that has not previously been properly elucidated. Such a connection could be a common inflammatory pathway driven by the increased secretion of IL\u201012\/23 and TNF\u03b1 that is a hallmark of both diseases.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ijd.14651","type":"journal-article","created":{"date-parts":[[2019,10,8]],"date-time":"2019-10-08T04:45:51Z","timestamp":1570509951000},"page":"216-220","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Psoriasis as a comorbidity of hidradenitis suppurativa"],"prefix":"10.1111","volume":"59","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0159-670X","authenticated-orcid":false,"given":"Rune","family":"Kj\u00e6rsgaard Andersen","sequence":"first","affiliation":[{"name":"Department of Dermatology Zealand University Hospital Roskilde Denmark"},{"name":"Health Sciences Faculty University of Copenhagen Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sara K.","family":"Saunte","sequence":"additional","affiliation":[{"name":"Department of Dermatology Zealand University Hospital Roskilde Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0712-2540","authenticated-orcid":false,"given":"Gregor B. E.","family":"Jemec","sequence":"additional","affiliation":[{"name":"Department of Dermatology Zealand University Hospital Roskilde Denmark"},{"name":"Health Sciences Faculty University of Copenhagen Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7953-1047","authenticated-orcid":false,"given":"Ditte M.","family":"Saunte","sequence":"additional","affiliation":[{"name":"Department of Dermatology Zealand University Hospital Roskilde Denmark"},{"name":"Health Sciences Faculty University of Copenhagen Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,10,8]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/QCO.0b013e3283428d07"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMcp1014163"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.rdc.2015.07.013"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/jdv.14389"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/jdv.14464"},{"key":"e_1_2_10_7_1","first-page":"200","article-title":"Hidradenitis suppurativa and psoriasis: manifestation of a hidden disease","volume":"27","author":"Bouaddi M","year":"2017","journal-title":"Pan Afr Med J"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1159\/000490002"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40257-017-0328-3"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1358\/dot.2016.52.8.2517967"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.3109\/09546634.2015.1094179"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/dth.12742"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.5021\/ad.2018.30.4.462"},{"key":"e_1_2_10_14_1","article-title":"Hidradenitis suppurativa associated with systemic lupus erythematosus and psoriasis: a therapeutical challenge","author":"Nazzaro G","year":"2019","journal-title":"G Ital Dermatol Venereol"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.3899\/jrheum.130977"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2015.06.050"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.1111\/jdv.15071"},{"key":"e_1_2_10_18_1","article-title":"Prevalence of patients with self\u2010reported hidradenitis suppurativa in a cohort of Danish blood donors: a cross\u2010sectional study. 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