{Reference Type}: Case Reports {Title}: Superior Mesenteric Artery Syndrome: A Report of a Rare Case. {Author}: Jayakar S;Mogekar S; {Journal}: Cureus {Volume}: 16 {Issue}: 7 {Year}: 2024 Jul 暂无{DOI}: 10.7759/cureus.63572 {Abstract}: Superior mesenteric artery (SMA) syndrome is a rare disease in which the third part of the duodenum between the SMA and the abdominal aorta is compressed, leading to small bowel obstruction. Treatment is usually conservative, such as parenteral and nasojejunal nutrition. The pathophysiology includes loss of the retroperitoneal fat layer and subsequent duodenal compression. We present a 53-year-old malnourished female patient who came with complaints of vomiting, constipation, abdominal pain, and distension for four days. This article highlights the diagnostic challenges associated with SMA syndrome and emphasizes the importance of early diagnosis and intervention.