Highlights
Ganglioneuromas are rarely hormonally active.
When metabolically active they typically secrete epinephrine or norepinephrine.
Exclusively dopamine-secreting tumors are exceedingly rare.
Surgical excision is the treatment of choice for ganglioneuromas.
Psychiatric sequelae should be anticipated after resection of a purely dopamine-secreting tumor.
Background: Duodenal masses are rare entities and symptomatic presentation generally is due to abdominal pain or the presence of gastrointestinal bleeding. A number of published case reports in the literature have detailed various neoplasms that have caused an intussusception isolated to the duodenum. This is a particularly unusual phenomenon due to the location and fixation of this portion of the proximal small bowel to the retroperitoneum. We present here a case of duodeno-duodenal intussusception secondary to a leiomyoma. Case: A 65-year-old Caucasian male presented with intermittent bloody stools and syncope over a 9-month period secondary to a duodenal leiomyoma causing intussusception, which was treated through a pancreaticoduodenectomy. Conclusion: Intussusception of the duodenum is an uncommon entity and the diagnosis of a leiomyoma should be considered in the setting of a potential mass in the small intestine.
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