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Duodenal Diverticulum Mimicking Duodenal Stromal Tumor

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EN
A patient with duodenal diverticulitis who was initially misdiagnosed with stromal tumor of the duodenum is presented. This case is of interest because it illustrates difficulties in the interpretation of auxiliary investigations and the choice of the best treatment option. US and CT images revealed two large ovoid masses of fluid density in the duodenal wall which may have suggested stromal tumor of the duodenum as well as periampullary cystic neoplasm, the more so because intramural tumor of the duodenum was seen in duodenoscopy. A similar picture may also be seen in duodenal diverticula, especially in diverticula which are not filled with gas or a combination of fluid and gas. This case demonstrates one such entity.
EN
Background Duodenal diverticula affect a large part of the population. It is a congenital abnormality that develops over time. The incidence of duodenal diverticulum is estimated at 22% of the population in autopsies. Only 5% of patients present symptoms, and of those only 1%–2% require surgery.Material and methodsTwo patients are described who underwent surgery due to duodenal diverticulum perforation mimicking acute cholecystitis.ResultsPerforation of the duodenal diverticulum, combined the difficulty of treatment and potential for complications, is a disease with a high mortality rate. It is subtle and difficult to diagnose due to the lack of generalized peritonitis and unspecific symptoms. The rarity and the wide spectrum of the disease, in combination with additional factors to be considered in treating this disease, mean there is no standard treatment. Depending on the patient's general condition, disease advancement, age and pathological findings observable only during surgery, we can choose between conservative treatment and a wide spectrum of surgeries.ConclusionsDuodenal diverticular disease rarely gives any symptoms. However, even after the onset of symptoms, only 1-2% of patients require surgery. Our work is unique because we present two cases, each featuring different approaches - conservative and surgical.
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