[The retothel sarcoma of the stomach]

At the instance of a female patient with a retothelial sarcoma (immunoblastoma) of the stomach who after 2 1/2 years post operationem (local tumour excision) does not give a reference to an unfavourable course the author deals with the rarity of this gastric tumour. A deánite attitude is adopted to clinic and problem of the preoperative diagnostics of this rare gastric tumor as well as to the prognosis. By radiological and fiber-gastroscopic investigation of the stomach cannot always preoperatively made the diagnosis corresponding to the histologic structure of the tumour. Therefore, in this case the surgical intervention is aspired to. Postoperatively in patients with rare or malignant tumours of the stomach control examinations are regularly to be recommended. Altogether the prognosis of retothelial sarcomas of the stomach are not more unfavourable than those of the gastric carcinomas.