[A patient with coexistence of primary hyperparathyroidism, Marfan's syndrome and von Willebrand's disease].

We presented a case of a 58 year old women suffering from three diseases: primary hyperparathyroidism, Marfan's syndrome and von Willebrand's disease. The coexistence of these diseases is not mentioned in medical literature. Because of the coexistence of Marfan's syndrome with primary hyperparathyroidism, the examinations of other endocrinopathy including multiple endocrine neoplasia (MEN). Their coexistence was not confirmed at the present time. In this paper the new views on both patogenesis and treatment of the mentioned diseases were included.