In this study the authors describe a rare histological finding in the resected small intestine, which was a cause of continuous ileal difficulties in a young female patient, and which increased in their intensity and finally resulted in an acute statě which had to be solved by an urgent surgical proceduře. The situation was defined as „absence of the muscularis layer" of the intestinal wall by a pathologist. The pathologist also stated that he had nevěr come across such a čase, neither in our literatuře, nor in the foreign one and that the condition was diagnosed with difficulties when using a standard visualization examination methods

        Key words: chronic ileus - small intestine - absence of the muscularis layer of the wall