[Value of retropneumoperitoneum in the exploration of Cushing's syndrome. 155 cases].

The study is based upon 155 cases of Cushing's syndrome and shows the diagnostic value ognosis of the suprarenal lesion responsible was possible. Bilateral suprarenal hyperplasia was always recognised with accuracy. Pneumoretroperituneum is the technique of choice for the surveillance of the therapeutic effects of synthetic anti-cortisols (especially O.P.'D.D.D.).