Phaeochromocytomas and paragangliomas (PPGLs) are tumours of the adrenal medulla and extra-adrenal sympathetic nervous system, some which can become metastatic. It is a very rare disease and the tumours are often detected late. Approximately 50 % of the tumours are caused by germline genetic variants screening programmes are recommended for patients and their family members; however, they are not yet well-targeted with respect to individual prognosis. In this study the investigatorscaim to characterize the genotype-phenotype associations in all Danish patients (n=400) diagnosed with PPGLs who have been followed in tertiary centres using medical records and national registries. To this end novel immunohistochemical, genetic, and epigenetic biomarkers in tumour tissues samples from biobank material (blood samples and tumour tissue) will be investigated to develop a comprehensive predictive algorithm for disease prognosis. The study will provide a clinical tool for an improved targeted screening program and subsequently prevention of disease development.
All Danish patients diagnosed with PPGLs or genetic variants that predispose to PPGLs since 1996 will be included.
None from the initial data collection. If there are no tumour tissue or blood samples from a patient in the biobanks they will subsequently be excluded.
Location: Nation-wide cohort of all patients followed in one of the tertiary hospitals: Copenhagen (Rigshospitalet), Århus (Skejby) and Odense University hospital. Identification: The patients will be retrieved from the National Danish Registry of Hospital Diagnoses by use of their national identification number (CPR).
Cohort
Retrospective
Not listed
Malignant or non-malignant disease
Defined as metastatic disease
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