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We report here on a 44-year-old previously healthy patient with a two-year history of intermittent upper abdominal pain. In the outpatient gastroduodenoscopy and X- ray examinations of the small intestine an intraluminal duodenal diverticulum was suspected. Clinical examination and laboratory tests did not show any abnormal findings. In order to exclude other causes for the patient's complaints coloscopy, ERP and MRCP were performed. The latter was done because the bile duct could not be intubated in the ERCP due to the altered anatomy. By use of endoscopic ultrasound a mucosal duplication was demonstrated and thus the diagnosis confirmed. Subsequently, the diverticulum sac was sliced by argon plasma coagulation. The postinterventional course was without complications and the patient was without symptoms afterwards. The intraluminal duodenal diverticulum is a rare differential diagnosis of pain in the upper abdomen. The diverticulum should be endoscopically removed if other causes for abdominal pain have been ruled out and possibly associated malformations have been excluded.

In the radiological hospital of Essen, 139 patients with malignant melanomas on the extremities have been submitted to an endolymphatic radionuclide therapy between May 29, 1970 and January 1, 1976. The survival rates of the different tumor stages are indicated and the changes of the survival curves since the last evaluation of August 31, 1973 are discussed. If the endolymphatic radionuclide therapy is applied, there is no risk of important side effects or complications. If an adequate surgical therapy has been effected prior to the radiotherapy, we consider the endolymphatic radionuclide therapy to be indicated above all in case of a malignant melanoma of the clinical stage I or II when the primary tumor is situated in the lower extremity.