Obscure duodenal malformation and other midgut malrotation defects in an elder with acute abdomen due to different prominent complicated pathology

A 70-year old  man with severe comorbidities, hemodynamically stable, was emergently admitted for bowel obstruction. His chronic intractable constipation had never been  evaluated.  The patient had  no history of abdominal  surgery.  Computed tomography indicated a large obstructive rectosigmoid tumour  and dolichocolon.   Immediate rectoscopy confirmed the presence of the obstructive tumour. Additionally, on emergent laparotomy, a malformed ...