Boerhaave Continuing Medical Education of the Leiden University Medical Centre is the oldest post-academic organisation for education in the medical field (post-academisch onderwijs geneeskunde, PAOG) in the Netherlands. The LUMC strives for an (inter)nationally leading role in the improvement of the quality of health care. It aspires to be the ‘centre of renewal’. Medical extensions are an important part of the LUMC’s responsibilities. Through Boerhaave CME, the LUMC stimulates doctors to obtain scientific curiosity and a critical stance.