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Janne Pitkaniemi

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Articles 136
Citations 1958
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Recent Articles
1.
Rantala J, Seppa K, Eriksson J, Heinavaara S, Harkanen T, Jousilahti P, et al.
BMC Cancer . 2025 Feb; 25(1):326. PMID: 39984883
Background: The incidence of early-onset breast cancer (< 50 years) has been increasing over the past decades with the role of modifiable, lifestyle-related risk factors remaining mostly unidentified. Methods: To...
2.
Johansson A, Skog A, Johannesen T, Myklebust T, Konig S, Skovlund C, et al.
Acta Oncol . 2025 Feb; 64:257-266. PMID: 39935358
Background And Purpose: The COVID-19 pandemic impacted substantially on cancer healthcare, including the temporary suspension of screening activities. We compared cancer incidence rates and stage during 2020-2021 to pre-pandemic rates...
3.
Nikkila R, Hirvonen E, Haapaniemi A, Pitkaniemi J, Malila N, Makitie A
BMC Cancer . 2024 Nov; 24(1):1380. PMID: 39529021
Background: While prior research on the SPC (second primary cancer) risk among pharyngeal carcinoma (PC) patients has been conducted in other regions, the European perspective is underrepresented. Our register-based cohort...
4.
Sipila L, Tanskanen T, Heikkinen S, Seppa K, Aavikko M, Ravantti J, et al.
Acta Oncol . 2024 Nov; 63:841-849. PMID: 39492803
Background And Purpose: Many non-neoplastic diseases have been established to be tumorigenic, and cancers are sometimes misdiagnosed as non-neoplastic diseases. We conducted a comprehensive registry-based study of site-specific cancer diagnosis...
5.
Korhonen L, Mogensen H, Erdmann F, Feychting M, Frederiksen L, Hirvonen E, et al.
Cancer Med . 2024 Aug; 13(15):e70067. PMID: 39087864
Introduction: Transitioning to adulthood often involves achieving independence from the parental home. We assessed whether the likelihood of leaving the parental home, cohabitation, and marriage was similar between patients who...
6.
Nikkila R, Hirvonen E, Pitkaniemi J, Rasanen J, Malila N, Makitie A
Clin Epidemiol . 2024 Jul; 16:475-485. PMID: 39070101
Purpose: The occurrence of a second primary cancer (SPC) after primary esophageal carcinoma (EC) or gastric cardia carcinoma(GCC) is well acknowledged. However, previous research on the risk of SPC among...
7.
Oko-Oboh G, Auvinen A, Obaseki D, Pitkaniemi J
BMC Public Health . 2024 Feb; 24(1):514. PMID: 38373974
Background: Cancer registries in Nigeria, as well as in other sub-Saharan African countries, face challenges in adhering to international cancer registration standards. We aimed to improve cancer incidence estimation by...
8.
Roos E, Heikkinen S, Seppa K, Pietilainen O, Ryynanen H, Laaksonen M, et al.
Prev Med Rep . 2024 Feb; 38:102607. PMID: 38298822
Smoking, alcohol consumption, obesity, and physical inactivity are key lifestyle risk factors for cancer. Previously these have been mostly examined singly or combined as an index, assuming independent and equivalent...
9.
Tammi R, Kaartinen N, Harald K, Maukonen M, Tapanainen H, Smith-Warner S, et al.
Eur J Epidemiol . 2024 Jan; 39(4):419-428. PMID: 38253935
Objectives: Shifting from animal-based to plant-based diets could reduce colorectal cancer (CRC) incidence. Currently, the impacts of these dietary shifts on CRC risk are ill-defined. Therefore, we examined partial substitutions...
10.
Seppa K, Heikkinen S, Ryynanen H, Albanes D, Eriksson J, Harkanen T, et al.
Eur J Cancer . 2024 Jan; 198:113502. PMID: 38181631
Background: Recent studies have shown that some four in ten cancers are attributable to a few key risk factors. The aim of this study was to estimate cohort-based population attributable...