[Syndrom of hypercalcemia in a case of hyperthyroidism, primary hyperparathyroidism and cancer of the gall-bladder (author's transl)].

A hypercalcemia syndrom in the case of a 63 year old female patient is reported on, who simultaneously suffered from hyperthyroidism and suspected primary hyperparathyroidism. During autopsy an ectopic (ventral mediastinum) parathyroid adenoma and a gall bladder carcinoma were discovered. Each of these three diseases can induce hypercalcemia by themselves.