Research Topics
Species | Olof AkreSummaryAffiliation: Karolinska Institutet Country: Sweden Publications
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Detail Information
Publications
Risk of contralateral testicular cancer among men with unilaterally undescended testis: a meta analysisOlof Akre
Cancer Epidemiology Unit, CeRMS and CPO Piemonte, University of Turin, Turin 10126, Italy
Int J Cancer 124:687-9. 2009..30 to 9.31) and 1.74 (95% CI, 1.01 to 2.98), respectively. We conclude that in 1-sided undescended testis, the risk of testicular cancer may be increased in both testes, although to a much greater extent on the ipsilateral side...- Mortality among men with locally advanced prostate cancer managed with noncurative intent: a nationwide study in PCBaSe SwedenOlof Akre
Clinical Epidemiology Unit, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
Eur Urol 60:554-63. 2011..There are limited prognostic data for locally advanced prostate cancer PCa to guide in the choice of treatment... - Does a testicular dysgenesis syndrome exist?Olof Akre
Cancer Epidemiology Unit, CeRMS and CPO Piemonte, University of Turin, Turin, Italy
Hum Reprod 24:2053-60. 2009..There is furthermore little evidence of shared causes between the alleged components of the syndrome... - Maternal and gestational risk factors for hypospadiasOlof Akre
Clinical Epidemiology Unit, Department of Medicine, Karolinska University Hospital, Stockholm, Sweden
Environ Health Perspect 116:1071-6. 2008..An increase in the prevalence of hypospadias has been reported, but the environmental causes remain virtually unknown... - Perinatal risk factors for diabetes in later lifeMagnus Kaijser
Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
Diabetes 58:523-6. 2009..We therefore investigated the significance of these two factors separately... - Birth order, sibship size, and risk for germ-cell testicular cancerLorenzo Richiardi
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
Epidemiology 15:323-9. 2004..Several studies have reported an inverse association between birth order and testicular cancer risk, but estimates vary greatly and the biologic mechanism underlying the association is not established... - Women smoking and testicular cancer: one epidemic causing another?Andreas Pettersson
Clinical Epidemiology Unit, Department of Medicine, Karolinska Hospital, Karolinska Institutet, Stockholm, Sweden
Int J Cancer 109:941-4. 2004.... - Preterm birth, low birth weight, and risk for esophageal adenocarcinomaMagnus Kaijser
Clinical Epidemiology Unit, Department of Medicine at Karolinska Hospital, Stockholm, Sweden
Gastroenterology 128:607-9. 2005..Gastroesophageal reflux is common among preterm infants and those who are small for gestational age, and it is a strong risk factor for adenocarcinoma of the esophagus... - Cancer risk in mothers of men operated for undescended testisHadriano M Lacerda
Cancer Epidemiology Unit, CPO and CeRMS, University of Turin, Italy
PLoS ONE 5:e14285. 2010..Several hormonal substances control this process and disruption of the foetal sex-hormones balance is a potential cause of undescended testis, however, to a great extent the aetiology of cryptorchidism is unclear... - Age at surgery for undescended testis and risk of testicular cancerAndreas Pettersson
Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
N Engl J Med 356:1835-41. 2007..We studied the relation between the age at treatment for undescended testis and the risk of testicular cancer... - Perinatal risk factors for ischemic heart disease: disentangling the roles of birth weight and preterm birthMagnus Kaijser
Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
Circulation 117:405-10. 2008..Several studies have reported an association between low birth weight and ischemic heart disease, but it remains unclear whether the association is mediated through poor fetal growth or short gestational duration... - Will an adverse pregnancy outcome influence the risk of continued smoking in the next pregnancy?Sven Cnattingius
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
Am J Obstet Gynecol 195:1680-6. 2006..A previous preterm birth, Sudden Infant Death Syndrome, and other causes of infant death did not influence risk. CONCLUSION: A previous adverse pregnancy outcome has only a modest influence on smoking habits in the successive pregnancy... - Gestational hypertension, preeclampsia, and risk of testicular cancerAndreas Pettersson
Department of Medicine, Clinical Epidemiology Unit, Karolinska University Hospital, Stockholm, Sweden
Cancer Res 68:8832-6. 2008.... - Maternal smoking and the epidemic of testicular cancer--a nested case-control studyAndreas Pettersson
Clinical Epidemiology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
Int J Cancer 120:2044-6. 2007..91; 95% CI, 0.64-1.30), and there was no evidence of a dose-response effect. We conclude that the epidemic rise in testicular cancer in many populations is not due to the surge in smoking among women... - Perinatal risk factors for childhood testicular germ-cell cancer: a Nordic population-based studyOlof Stephansson
Clinical Epidemiology Unit and Centre for Pharmacoepidemiology, Department of Medicine, Karolinska University Hospital and Institute, Stockholm, Sweden
Cancer Epidemiol 35:e100-4. 2011..The aim of the study was to investigate the association between perinatal characteristics and childhood testicular germ-cell cancer... - Open retropubic prostatectomy versus robot-assisted laparoscopic prostatectomy: a comparison of length of sick leaveLena Hohwü
Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
Scand J Urol Nephrol 43:259-64. 2009..This study compared the length of sick leave after RALP with that after radical retropubic prostatectomy (RRP)... - Age at immigration and duration of stay in relation to risk for testicular cancer among Finnish immigrants in SwedenAnders Ekbom
Clinical Epidemiology Unit, Department of Medicine, Karolinska Hospital, Stockholm, Sweden
J Natl Cancer Inst 95:1238-40. 2003..Although the type of environmental exposures remains unknown, the results strongly indicate that early exposures are major determinants for testicular cancer... - 15-year followup of a population based prostate cancer screening studyAnders Kjellman
Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
J Urol 181:1615-21; discussion 1621. 2009..We evaluated long-term survival in attendees and nonattendees of a 1-time screening for prostate cancer... - Fecundity and twinning rates as measures of fertility before diagnosis of germ-cell testicular cancerLorenzo Richiardi
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden. lorenzo.richiardi@ meb.ki.se
J Natl Cancer Inst 96:145-7. 2004..Our study strongly supports evidence of an association between subfertility and the subsequent risk for testicular cancer... - Fertility among brothers of patients with testicular cancerLorenzo Richiardi
Cancer Epidemiology Unit, CeRMS and Center for Oncology Prevention, University of Turin, V Santena 7, 10126, Turin, Italy
Cancer Epidemiol Biomarkers Prev 14:2557-62. 2005..To test if they share causes, we assessed fertility among brothers of patients with testicular cancer... - Time trends in the incidence of testicular cancer in childhood and young adulthoodHadriano M Lacerda
Cancer Epidemiology Unit, University of Turin, Turin, Italy
Cancer Epidemiol Biomarkers Prev 18:2042-5. 2009..To further evaluate whether or not adult and childhood cancers share trend determinants and whether future adult testicular cancer incidences can be predicted through childhood testicular cancer incidences, their rates were compared... - Cancer risk in hyperprolactinemia patients: a population-based cohort studyKatarina Berinder
Endocrine and Diabetes Unit, Department of Molecular Medicine and Surgery Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, SE 171 76 Stockholm, Sweden
Eur J Endocrinol 165:209-15. 2011..The aim of this study was to investigate cancer risk in hyperprolactinemia patients. Design A population-based matched cohort study in Sweden... - Perinatal risk factors for cancer of the esophagus and gastric cardia: a nested case-control studyOlof Akre
Clinical Epidemiology Unit, Karolinska University Hospital, Solna, M9 01, SE 171 76 Stockholm, Sweden
Cancer Epidemiol Biomarkers Prev 15:867-71. 2006..In this study, we aimed to test if there is an association between gestational duration and birth weight on the one hand, and risk of esophageal and cardia adenocarcinoma on the other... - Genetic and environmental risk factors for testicular cancerLorenzo Richiardi
Cancer Epidemiology Unit, CeRMS and CPO Piemonte, University of Turin, Turin, Italy
Int J Androl 30:230-40; discussion 240-1. 2007.... - Testicular cancer incidence in eight northern European countries: secular and recent trendsLorenzo Richiardi
Department of Medicine, Karolinska Hospital, Stockholm, Sweden
Cancer Epidemiol Biomarkers Prev 13:2157-66. 2004..However, it is not known whether these patterns have attenuated in recent years and whether they are similar for seminomas and nonseminomas, the two main histologic groups of testicular cancer... - Radical prostatectomy: influence on serum and urinary androgen levelsMats Olsson
Division of Urology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
Prostate 70:200-5. 2010..The role of the prostate as an active endocrine organ and the hormonal changes after radical prostatectomy (RP) has not been well studied. The objective of this study was to investigate the serum and urine hormonal changes after RP... - Subtype-specific risk of testicular tumors among immigrants and their descendants in Sweden, 1960 to 2007Omid Beiki
Division of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
Cancer Epidemiol Biomarkers Prev 19:1053-65. 2010.... - Promoter methylation in APC, RUNX3, and GSTP1 and mortality in prostate cancer patientsLorenzo Richiardi
Cancer Epidemiology Unit, University of Turin, Via Santena 7, 10126 Turin, Italy
J Clin Oncol 27:3161-8. 2009..Promoter methylation in APC was identified as a marker for prostate cancer progression... - How the effect of maternal age on the risk of childhood leukemia changed over time in Sweden, 1960-2004Milena Maria Maule
Cancer Epidemiology Unit, Center for Experimental Research and Medical Studies and Center for Oncologic Prevention in Piedmont, University of Turin, Turin, Italy
Environ Health Perspect 117:299-302. 2009..Previous studies on the association between maternal age and risk of childhood leukemia found inconsistent results... - Increased risk for cardiovascular mortality in psoriasis inpatients but not in outpatientsLotus Mallbris
Dermatology Unit, Department of Medicine, Karolinska Institute, Stockholm, Sweden
Eur J Epidemiol 19:225-30. 2004..Severe psoriasis, however, here measured as repeated admissions, and early age at first admission, is associated with increased risk for cardiovascular death... - Maternal lung cancer and testicular cancer risk in the offspringMagnus Kaijser
Department of Medical Epidemiology, Karolinska Institutet, S 171 77 Stockholm, Sweden
Cancer Epidemiol Biomarkers Prev 12:643-6. 2003..Our results support the hypothesis that exposure to cigarette smoking in utero increases the risk of testicular cancer... - Differences in citation rates by country of origin for papers published in top-ranked medical journals: do they reflect inequalities in access to publication?Olof Akre
Cancer Epidemiology Unit, CeRMS and CPO Piemonte, University of Turin, Turin, Italy
J Epidemiol Community Health 65:119-23. 2011..Conversely, if the threshold is lowered for some countries, their papers will have a lower mean citation rate... - Dihydrotestosterone levels and survival in screening-detected prostate cancer: a 15-yr follow-up studyAnders Kjellman
Department of Clinical Science, Intervention, and Technology, Karolinska Institutet, Stockholm, Sweden
Eur Urol 53:106-11. 2008..In this study, we evaluated serum DHT levels at the time of prostate-cancer diagnosis in relation to survival... - Parity, pregnancy and neonatal outcomes in women treated for hyperprolactinaemia compared with a control groupKatarina Berinder
Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
Clin Endocrinol (Oxf) 67:393-7. 2007..There are limited data on the fertility and pregnancy course among these women. The objective was to study parity, pregnancy and neonatal outcomes in women with hyperprolactinaemia as compared with a control group... - Celiac disease is not a risk factor for infertility in menDaniela Zugna
Cancer Epidemiology Unit, Center for Experimental Research and Medical Studies and Center for Oncologic Prevention in Piedmont, University of Turin, Turin, Italy
Fertil Steril 95:1709-13.e1-3. 2011..To examine fertility in men with biopsy-verified celiac disease (CD) in light of research that suggests that men with CD have impaired sperm quality... - Time trends in human fecundability in SwedenThomas H Scheike
Department of Biostatistics, University of Copenhagen, Denmark
Epidemiology 19:191-6. 2008..Possible negative trends in male reproductive health are still debated, and their effect on human fertility might be negligible. Time-to-pregnancy (TTP) is a functional measure of couple fecundability... - Reduced risk of prostate cancer in men who are childless as compared to those who have fathered a child: a population based case-control studyAleksander Giwercman
Fertility Centre, Scanian Andrology Centre, Malmo University Hospital, Malmo, Sweden
Int J Cancer 115:994-7. 2005..The risk for prostate cancer is reduced among childless men. A dysfunctioning reproductive apparatus fueling to a lesser extent prostatic growth, could be a plausible mechanism of this association... - Similar at a glance, but not the sameOlof Akre
Int J Cancer 123:1480. 2008 - Body size at birth and adulthood and the risk for germ-cell testicular cancerLorenzo Richiardi
Department of Medical Epidemiology and Biostatistics Karolinska Institutet, SE 17177 Stockholm, Sweden
Cancer Epidemiol Biomarkers Prev 12:669-73. 2003....