{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,25]],"date-time":"2026-10-25T20:02:48Z","timestamp":1792958568219,"version":"4.5.0"},"reference-count":58,"publisher":"American Medical Association (AMA)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Dermatol"],"published-print":{"date-parts":[[2026,5,1]]},"abstract":"<jats:sec id=\"ab-doi260007-4\">\n                    <jats:title>Importance<\/jats:title>\n                    <jats:p>Chronic lymphocytic leukemia (CLL) and its immunosuppressive treatment has been suggested to be associated with increased risk of skin cancer. However, detailed long-term evidence of this association is lacking, including whether an increased skin cancer incidence translates into increased risk of skin cancer\u2013specific metastasis and death in patients with CLL.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"ab-doi260007-5\">\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To assess the overall risk of skin cancer, skin cancer subtypes, and skin cancer\u2013specific metastasis and death among patients with CLL compared with individuals without CLL (controls).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"ab-doi260007-6\">\n                    <jats:title>Design, Setting, and Participants<\/jats:title>\n                    <jats:p>This nationwide population-based matched cohort study analyzed Danish registry data from January 1990 to December 2020. Follow-up began at CLL diagnosis and continued until an event of interest, death, emigration, or study end. Patients with prior skin cancer or immunosuppression were excluded. Patients with CLL were matched 1:5 with controls based on birth year, sex, geographic region, educational level, income, marital status, and Charlson Comorbidity Index score. Data were analyzed from June to September 2025.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"ab-doi260007-7\">\n                    <jats:title>Main Outcomes and Measures<\/jats:title>\n                    <jats:p>Absolute risks and risk differences for overall skin cancer, basal cell carcinoma, squamous cell carcinoma, Merkel cell carcinoma, melanoma, cutaneous lymphoma, and skin cancer\u2013specific metastasis and death. All risks were estimated using multivariable cause-specific Cox proportional hazards regression models with death from other causes as a competing risk.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"ab-doi260007-8\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among the 8352 patients with CLL included in the study (median age, 70.7 years [IQR, 62.2-78.3 years]; 4902 [58.7%] male), the absolute 10-year risk of skin cancer was 13.5% (95% CI, 12.7%-14.3%) compared with 6.9% (95% CI, 6.6%-7.2%) among 41\u202f760 controls (median age, 70.7 years [IQR, 62.2-78.2 years]; 24\u202f510 [58.7%] male), resulting in an absolute risk difference (ARD) of 6.6 percentage points (pp) (95% CI, 5.7-7.4 pp;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&amp;amp;lt;\u2009.001). Patients with CLL had an increased risk of most skin cancer subtypes compared with controls, with the most common being basal cell carcinoma (8.6% [95% CI, 7.9%-9.2%] vs 5.4% [95% CI, 5.2%-5.7%]; ARD, 3.2 pp [95% CI, 2.4-3.8 pp];\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&amp;amp;lt;\u2009.001) and squamous cell carcinoma (4.7% [95% CI, 4.2%-5.2%] vs 1.4% [95% CI, 1.3%-1.6%]; ARD, 3.3 pp [95% CI, 2.8-3.8 pp];\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&amp;amp;lt;\u2009.001). Patients with CLL, compared with controls, had a higher risk of both skin cancer metastasis (0.7% [95% CI, 0.4%-0.9%] vs 0.1% [95% CI, 0.1%-0.2%]; ARD, 0.6 pp [95% CI, 0.3-0.7 pp];\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&amp;amp;lt;\u2009.001) and skin cancer\u2013specific death (0.3% [95% CI, 0.2%-0.4%] vs 0.1% [95% CI, 0.1%-0.1%]; ARD, 0.2 pp [95% CI, 0.1-0.3 pp];\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009=\u2009.004). All-cause mortality among patients with CLL was 56.3% (95% CI, 55.3%-57.2%) compared with 39.3% (95% CI, 38.8%-39.8%) among controls (ARD, 17.0 pp; 95% CI, 16.0-18.0 pp;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&amp;amp;lt;\u2009.001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"ab-doi260007-9\">\n                    <jats:title>Conclusions and Relevance<\/jats:title>\n                    <jats:p>This cohort study found that patients with CLL had an increased risk of developing skin cancer, mainly basal cell carcinoma and squamous cell carcinoma. Skin cancer\u2013specific metastasis and death were also more frequent among patients with CLL, although the absolute risk remained low given markedly higher all-cause mortality.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1001\/jamadermatol.2026.0355","type":"journal-article","created":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T15:30:33Z","timestamp":1775057433000},"page":"488","source":"Crossref","is-referenced-by-count":2,"title":["Risk of Skin Cancer Among Patients With Chronic Lymphocytic Leukemia"],"prefix":"10.1001","volume":"162","author":[{"given":"Astrid Merete Blomberg","family":"Drej\u00f8e","sequence":"first","affiliation":[{"name":"Department of Plastic Surgery and Burns Treatment, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mathilde Nejrup","family":"Hemmingsen","sequence":"additional","affiliation":[{"name":"Department of Plastic Surgery and Burns Treatment, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ida Karoline","family":"Wulff","sequence":"additional","affiliation":[{"name":"Department of Plastic Surgery and Burns Treatment, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tim Kongsmark","family":"Weltz","sequence":"additional","affiliation":[{"name":"Department of Plastic Surgery and Burns Treatment, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andreas","family":"Larsen","sequence":"additional","affiliation":[{"name":"Department of Plastic Surgery and Burns Treatment, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emil Loldrup","family":"Fosb\u00f8l","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lars","family":"K\u00f8ber","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"},{"name":"Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian","family":"Torp-Pedersen","sequence":"additional","affiliation":[{"name":"Steno Diabetes Center Copenhagen, Copenhagen, Denmark"},{"name":"Department of Public Health, University of Copenhagen, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Merete","family":"H\u00e6dersdal","sequence":"additional","affiliation":[{"name":"Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark"},{"name":"Department of Dermatology, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Vester-Glowinski","sequence":"additional","affiliation":[{"name":"Department of Plastic Surgery and Burns Treatment, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"},{"name":"Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mikkel","family":"Herly","sequence":"additional","affiliation":[{"name":"Department of Plastic Surgery and Burns Treatment, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"},{"name":"Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mathias","family":"\u00d8rholt","sequence":"additional","affiliation":[{"name":"Department of Plastic Surgery and Burns Treatment, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"10","reference":[{"issue":"1","key":"doi260007r1","doi-asserted-by":"publisher","first-page":"127","DOI":"10.1016\/j.critrevonc.2004.11.011","article-title":"Skin cancer and immunosuppression.","volume":"56","author":"Gerlini","year":"2005","journal-title":"Crit Rev Oncol Hematol"},{"issue":"1","key":"doi260007r3","doi-asserted-by":"publisher","first-page":"15","DOI":"10.1038\/s41408-023-00784-z","article-title":"Risk of second primary malignancies in patients with chronic lymphocytic leukemia: a population-based study in the Netherlands, 1989-2019.","volume":"13","author":"van der Straten","year":"2023","journal-title":"Blood Cancer J"},{"issue":"3","key":"doi260007r4","doi-asserted-by":"publisher","first-page":"521","DOI":"10.1016\/j.jaad.2022.11.044","article-title":"Risk of melanoma and nonmelanoma skin cancer with immunosuppressants, part I: calcineurin inhibitors, thiopurines, IMDH inhibitors, mTOR inhibitors, and corticosteroids.","volume":"88","author":"Kreher","year":"2023","journal-title":"J Am Acad Dermatol"},{"key":"doi260007r5","volume":"2","author":"Sharif","year":"2023","journal-title":"BMJ Oncol"},{"issue":"2","key":"doi260007r6","doi-asserted-by":"publisher","first-page":"177","DOI":"10.1001\/jamadermatol.2015.3902","article-title":"Skin cancer risk in hematopoietic stem-cell transplant recipients compared with background population and renal transplant recipients: a population-based cohort study.","volume":"152","author":"Omland","year":"2016","journal-title":"JAMA Dermatol"},{"key":"doi260007r7","doi-asserted-by":"publisher","DOI":"10.3389\/fonc.2022.840616","article-title":"Trends in disease burden of chronic lymphocytic leukemia at the global, regional, and national levels from 1990 to 2019, and projections until 2030: a population-based epidemiologic study.","volume":"12","author":"Ou","year":"2022","journal-title":"Front Oncol"},{"key":"doi260007r8","doi-asserted-by":"publisher","first-page":"98","DOI":"10.1016\/j.jdin.2020.10.013","article-title":"The global burden of skin cancer: a longitudinal analysis from the Global Burden of Disease Study, 1990-2017.","volume":"2","author":"Urban","year":"2021","journal-title":"JAAD Int"},{"issue":"2","key":"doi260007r9","doi-asserted-by":"publisher","first-page":"89","DOI":"10.1016\/j.cpt.2024.08.002","article-title":"Overview of skin cancer types and prevalence rates across continents.","volume":"3","author":"Roky","year":"2024","journal-title":"Cancer Pathog Ther"},{"issue":"3","key":"doi260007r10","doi-asserted-by":"publisher","first-page":"217","DOI":"10.1111\/j.1524-4725.1996.tb00312.x","article-title":"The epidemiology of skin cancer.","volume":"22","author":"Gloster","year":"1996","journal-title":"Dermatol Surg"},{"issue":"5","key":"doi260007r11","doi-asserted-by":"publisher","first-page":"15","DOI":"10.3390\/cancers15051583","article-title":"Emerging therapies in CLL in the era of precision medicine.","volume":"15","author":"Iyer","year":"2023","journal-title":"Cancers (Basel)"},{"issue":"7","key":"doi260007r12","doi-asserted-by":"publisher","first-page":"1076","DOI":"10.1038\/bjc.2011.313","article-title":"Second cancer incidence and cancer mortality among chronic lymphocytic leukaemia patients: a population-based study.","volume":"105","author":"Royle","year":"2011","journal-title":"Br J Cancer"},{"issue":"8","key":"doi260007r13","doi-asserted-by":"publisher","first-page":"e287","DOI":"10.1111\/ijd.12564","article-title":"Increased incidence of malignant melanoma and other rare cutaneous cancers in the setting of chronic lymphocytic leukemia.","volume":"54","author":"Brewer","year":"2015","journal-title":"Int J Dermatol"},{"issue":"6993","key":"doi260007r14","doi-asserted-by":"publisher","first-page":"1491","DOI":"10.1136\/bmj.310.6993.1491","article-title":"Evidence of an association between non-Hodgkin\u2019s lymphoma and skin cancer.","volume":"310","author":"Adami","year":"1995","journal-title":"BMJ"},{"issue":"13","key":"doi260007r15","doi-asserted-by":"publisher","first-page":"3204","DOI":"10.1080\/10428194.2019.1620941","article-title":"Risk factors for skin cancer and solid tumors in newly diagnosed patients with chronic lymphocytic leukemia and the impact of skin surveillance on survival.","volume":"60","author":"Ishdorj","year":"2019","journal-title":"Leuk Lymphoma"},{"issue":"1","key":"doi260007r16","doi-asserted-by":"publisher","first-page":"78","DOI":"10.1016\/j.jaad.2014.09.030","article-title":"Melanoma in patients with chronic lymphocytic leukemia and non-Hodgkin lymphoma.","volume":"72","author":"Famenini","year":"2015","journal-title":"J Am Acad Dermatol"},{"issue":"2","key":"doi260007r17","doi-asserted-by":"publisher","DOI":"10.1016\/j.currproblcancer.2019.100511","article-title":"The risk of melanoma in patients with chronic lymphocytic leukemia: a population-based study.","volume":"44","author":"Turk","year":"2020","journal-title":"Curr Probl Cancer"},{"key":"doi260007r18","doi-asserted-by":"publisher","first-page":"43","DOI":"10.1016\/j.leukres.2018.07.003","article-title":"Management of melanoma in patients with chronic lymphocytic leukemia.","volume":"71","author":"Archibald","year":"2018","journal-title":"Leuk Res"},{"key":"doi260007r19","doi-asserted-by":"publisher","first-page":"4359","DOI":"10.1182\/blood.V128.22.4359.4359","article-title":"Incidence and implications of skin cancers in CancerCare Manitoba Chronic Lymphocytic Leukemia (CLL) Clinic patients.","volume":"128","author":"Beiggi","year":"2016","journal-title":"Blood"},{"issue":"5","key":"doi260007r20","doi-asserted-by":"publisher","first-page":"548","DOI":"10.1111\/ijd.15813","article-title":"Cutaneous squamous cell carcinoma in patients with chronic lymphocytic leukemia: a systematic review of the literature.","volume":"61","author":"Lai","year":"2022","journal-title":"Int J Dermatol"},{"issue":"8","key":"doi260007r21","doi-asserted-by":"publisher","first-page":"541","DOI":"10.1007\/s10654-014-9930-3","article-title":"The Danish Civil Registration System as a tool in epidemiology.","volume":"29","author":"Schmidt","year":"2014","journal-title":"Eur J Epidemiol"},{"issue":"7","key":"doi260007r22","doi-asserted-by":"publisher","first-page":"30","DOI":"10.1177\/1403494811401482","article-title":"The Danish National Patient Register.","volume":"39","author":"Lynge","year":"2011","journal-title":"Scand J Public Health"},{"issue":"7","key":"doi260007r23","doi-asserted-by":"publisher","first-page":"42","DOI":"10.1177\/1403494810393562","article-title":"The Danish Cancer Registry.","volume":"39","author":"Gjerstorff","year":"2011","journal-title":"Scand J Public Health"},{"key":"doi260007r24","doi-asserted-by":"publisher","first-page":"449","DOI":"10.2147\/CLEP.S91125","article-title":"The Danish National Patient Registry: a review of content, data quality, and research potential.","volume":"7","author":"Schmidt","year":"2015","journal-title":"Clin Epidemiol"},{"key":"doi260007r25","doi-asserted-by":"publisher","first-page":"469","DOI":"10.2147\/CLEP.S245060","article-title":"Existing data sources in clinical epidemiology: laboratory information system databases in Denmark.","volume":"12","author":"Arendt","year":"2020","journal-title":"Clin Epidemiol"},{"key":"doi260007r26","doi-asserted-by":"publisher","first-page":"51","DOI":"10.2147\/CLEP.S9908","article-title":"Existing data sources for clinical epidemiology: the Danish National Pathology Registry and Data Bank.","volume":"2","author":"Erichsen","year":"2010","journal-title":"Clin Epidemiol"},{"issue":"7","key":"doi260007r27","doi-asserted-by":"publisher","first-page":"26","DOI":"10.1177\/1403494811399958","article-title":"The Danish Register of Causes of Death.","volume":"39","author":"Helweg-Larsen","year":"2011","journal-title":"Scand J Public Health"},{"issue":"2","key":"doi260007r28","doi-asserted-by":"publisher","first-page":"219","DOI":"10.1182\/blood.V46.2.219.219","article-title":"Clinical staging of chronic lymphocytic leukemia.","volume":"46","author":"Rai","year":"1975","journal-title":"Blood"},{"issue":"22","key":"doi260007r29","doi-asserted-by":"publisher","first-page":"4390","DOI":"10.1002\/sim.8305","article-title":"Exposure density sampling: dynamic matching with respect to a time-dependent exposure.","volume":"38","author":"Ohneberg","year":"2019","journal-title":"Stat Med"},{"issue":"5","key":"doi260007r30","doi-asserted-by":"publisher","first-page":"373","DOI":"10.1016\/0021-9681(87)90171-8","article-title":"A new method of classifying prognostic comorbidity in longitudinal studies: development and validation.","volume":"40","author":"Charlson","year":"1987","journal-title":"J Chronic Dis"},{"issue":"8","key":"doi260007r32","doi-asserted-by":"publisher","first-page":"1444","DOI":"10.1038\/sj.bjc.6605306","article-title":"Chronic lymphocytic leukaemia patients have a high risk of Merkel-cell polyomavirus DNA-positive Merkel-cell carcinoma.","volume":"101","author":"Koljonen","year":"2009","journal-title":"Br J Cancer"},{"key":"doi260007r33","doi-asserted-by":"publisher","DOI":"10.3389\/fonc.2022.829983","article-title":"Biology and treatment of Richter transformation.","volume":"12","author":"Condoluci","year":"2022","journal-title":"Front Oncol"},{"issue":"4","key":"doi260007r34","doi-asserted-by":"publisher","first-page":"285","DOI":"10.1046\/j.1365-2559.2001.01120.x","article-title":"Pathology of lymphoma progression.","volume":"38","author":"M\u00fcller-Hermelink","year":"2001","journal-title":"Histopathology"},{"key":"doi260007r36","doi-asserted-by":"publisher","first-page":"515","DOI":"10.1093\/biomet\/81.3.515","article-title":"Proportional hazards tests and diagnostics based on weighted residuals.","volume":"81","author":"Grambsch","year":"1994","journal-title":"Biometrika"},{"issue":"1","key":"doi260007r40","doi-asserted-by":"publisher","first-page":"151","DOI":"10.1002\/ijc.22672","article-title":"Risk of second cancer after chronic lymphocytic leukemia.","volume":"121","author":"Sch\u00f6llkopf","year":"2007","journal-title":"Int J Cancer"},{"issue":"6","key":"doi260007r41","doi-asserted-by":"publisher","first-page":"1979","DOI":"10.1182\/blood.V98.6.1979","article-title":"Solid tumors after chronic lymphocytic leukemia.","volume":"98","author":"Hisada","year":"2001","journal-title":"Blood"},{"key":"doi260007r42","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejcskn.2024.100022","article-title":"Quality of life issues faced by patients with keratinocyte cancer: a systematic review.","volume":"2","author":"Kennedy","year":"2024","journal-title":"EJC Skin Cancer"},{"issue":"1","key":"doi260007r43","doi-asserted-by":"publisher","first-page":"17","DOI":"10.1136\/bmjebm-2023-112341","article-title":"Overdiagnosis in malignant melanoma: a scoping review.","volume":"29","author":"Bj\u00f8rch","year":"2024","journal-title":"BMJ Evid Based Med"},{"issue":"9","key":"doi260007r44","doi-asserted-by":"publisher","first-page":"1860","DOI":"10.1016\/j.jid.2017.04.020","article-title":"Incidence, mortality, and trends of nonmelanoma skin cancer in Germany.","volume":"137","author":"Leiter","year":"2017","journal-title":"J Invest Dermatol"},{"issue":"2","key":"doi260007r45","first-page":"357","article-title":"Early detection and treatment of skin cancer.","volume":"62","author":"Jerant","year":"2000","journal-title":"Am Fam Physician"},{"issue":"6","key":"doi260007r46","doi-asserted-by":"publisher","first-page":"1339","DOI":"10.1111\/bjd.17529","article-title":"Effectiveness of interventions to support the early detection of skin cancer through skin self-examination: a systematic review and meta-analysis.","volume":"180","author":"Ersser","year":"2019","journal-title":"Br J Dermatol"},{"issue":"3","key":"doi260007r47","doi-asserted-by":"publisher","first-page":"578","DOI":"10.1080\/10428194.2017.1349903","article-title":"Recommendations for skin cancer monitoring for patients with chronic lymphocytic leukemia.","volume":"59","author":"Mulcahy","year":"2018","journal-title":"Leuk Lymphoma"},{"key":"doi260007r48","doi-asserted-by":"publisher","first-page":"d2690","DOI":"10.1136\/bmj.d2690","article-title":"Proton pump inhibitor use and risk of adverse cardiovascular events in aspirin treated patients with first time myocardial infarction: nationwide propensity score matched study.","volume":"342","author":"Charlot","year":"2011","journal-title":"BMJ"},{"issue":"7","key":"doi260007r49","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejso.2025.109747","article-title":"Subcutaneous undifferentiated pleomorphic sarcoma is more aggressive than pleomorphic dermal sarcoma: prognosis from a Danish nationwide registry-based cohort.","volume":"51","author":"\u00d8rholt","year":"2025","journal-title":"Eur J Surg Oncol"},{"issue":"6","key":"doi260007r50","doi-asserted-by":"publisher","first-page":"1177","DOI":"10.1016\/j.jaad.2023.08.050","article-title":"Atypical fibroxanthoma and pleomorphic dermal sarcoma: local recurrence and metastasis in a nationwide population-based cohort of 1118 patients.","volume":"89","author":"\u00d8rholt","year":"2023","journal-title":"J Am Acad Dermatol"},{"issue":"8","key":"doi260007r51","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0214183","article-title":"Multimorbidity, healthcare utilization and socioeconomic status: a register-based study in Denmark.","volume":"14","author":"Fr\u00f8lich","year":"2019","journal-title":"PLoS One"},{"issue":"4","key":"doi260007r52","doi-asserted-by":"publisher","first-page":"716","DOI":"10.1016\/j.jaad.2015.10.022","article-title":"Skin color parameters and Fitzpatrick phototypes in estimating the risk of skin cancer: a case-control study in the Polish population.","volume":"74","author":"Sitek","year":"2016","journal-title":"J Am Acad Dermatol"},{"issue":"4","key":"doi260007r53","doi-asserted-by":"publisher","first-page":"585","DOI":"10.1016\/j.jaad.2012.09.030","article-title":"Fitzpatrick skin phototype is an independent predictor of squamous cell carcinoma risk after solid organ transplantation.","volume":"68","author":"Gogia","year":"2013","journal-title":"J Am Acad Dermatol"},{"issue":"3","key":"doi260007r54","doi-asserted-by":"publisher","first-page":"179","DOI":"10.1111\/phpp.12529","article-title":"Measurements of sun sensitivity in five European countries confirm the relative nature of Fitzpatrick skin phototype scale.","volume":"36","author":"Bieliauskiene","year":"2020","journal-title":"Photodermatol Photoimmunol Photomed"},{"issue":"8","key":"doi260007r56","doi-asserted-by":"publisher","DOI":"10.1136\/bmjopen-2018-022094","article-title":"Sunbed use 2007-2015 and skin cancer projections of campaign results 2007-2040 in the Danish population: repeated cross-sectional surveys.","volume":"8","author":"K\u00f8ster","year":"2018","journal-title":"BMJ Open"},{"issue":"3","key":"doi260007r57","doi-asserted-by":"publisher","first-page":"199","DOI":"10.1093\/jnci\/dji022","article-title":"Ultraviolet radiation exposure and risk of malignant lymphomas.","volume":"97","author":"Smedby","year":"2005","journal-title":"J Natl Cancer Inst"},{"issue":"48","key":"doi260007r58","doi-asserted-by":"publisher","first-page":"41","DOI":"10.1093\/jncimonographs\/lgu001","article-title":"Medical history, lifestyle, family history, and occupational risk factors for chronic lymphocytic leukemia\/small lymphocytic lymphoma: the InterLymph Non-Hodgkin Lymphoma Subtypes Project.","volume":"2014","author":"Slager","year":"2014","journal-title":"J Natl Cancer Inst Monogr"},{"key":"doi260007r2","author":"Zavdy"},{"key":"doi260007r37","doi-asserted-by":"crossref","first-page":"39","DOI":"10.1007\/978-1-4757-3294-8_3","volume-title":"Modeling Survival Data: Extending the Cox Model","author":"Therneau","year":"2000"},{"key":"doi260007r31","unstructured":"UNESCO Institute for Statistics. International Standard Classification of Education: challenges and solutions forward. February 2024. Accessed September 30, 2025. https:\/\/www.uis.unesco.org\/sites\/default\/files\/medias\/fichiers\/2025\/08\/EDS-3-ISCED-Final-WEB.pdf"},{"key":"doi260007r35","doi-asserted-by":"crossref","unstructured":"Ozenne? B, S\u00f8rensen? AL, Scheike? T, Torp-Pedersen? C, Gerds? TA. riskRegression: predicting the risk of an event using Cox regression models. The R Journal. Published online November 21, 20217. doi:10.32614\/RJ-2017-062","DOI":"10.32614\/RJ-2017-062"},{"key":"doi260007r38","unstructured":"Gerds? TA, Ohlendorff? JS, Ozenne? B. riskRegression: risk regression models and prediction scores for survival analysis with competing risks. R package version 2026.02.13. 2026. Accessed September 30, 2025. https:\/\/cran.r-project.org\/web\/packages\/riskRegression\/index.html"},{"key":"doi260007r39","unstructured":"Gerds? TA. prodlim: product-limit estimation for censored event history analysis. R package prodlim version 2025.04.28. 2025. Accessed September 30, 2025. https:\/\/cran.r-project.org\/web\/packages\/prodlim\/index.html"},{"key":"doi260007r55","unstructured":"Sharma? AN, Patel? BC. Laser Fitzpatrick skin type recommendations. StatPearls; 2023. Accessed December 1, 2025. https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK557626\/"}],"container-title":["JAMA Dermatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/jamanetwork.com\/journals\/jamadermatology\/articlepdf\/2847175\/jamadermatology_dreje_2026_oi_260007_1779281396.78264.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T15:00:23Z","timestamp":1779289223000},"score":1,"resource":{"primary":{"URL":"https:\/\/jamanetwork.com\/journals\/jamadermatology\/fullarticle\/2847175"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,5,1]]},"references-count":58,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2026,5,1]]}},"URL":"https:\/\/doi.org\/10.1001\/jamadermatol.2026.0355","relation":{},"ISSN":["2168-6068"],"issn-type":[{"value":"2168-6068","type":"print"}],"subject":[],"published":{"date-parts":[[2026,5,1]]}}}