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Background: We hypothesized that tonsillectomy modifies the risk of PD.
Objectives: To test the hypothesis in a nationwide population‐based cohort study.
Methods: We used Danish medical registries to construct a cohort of all patients in Denmark with an operation code of tonsillectomy 1980‐2010 (n = 195,169) and a matched age and sex general population comparison cohort (n = 975,845). Patients were...
It has been debated whether the reported increased risk of Hodgkin's lymphoma (HL) after tonsillectomy could be due to some underlying factor rather than the surgery itself. We studied whether not only tonsillectomy but also tonsillitis was associated with HL. This nationwide cohort study included all Danish residents during 1977–2001. Information on a diagnosis of tonsillitis, tonsillectomy, or HL...
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