[A case report of duodenal obstruction due to retroperitoneal bleeding after the rupture of a lower pancreaticoduodenal artery aneurysm].

We report a case of a patient with duodenal obstruction due to retroperitoneal bleeding after the rupture of a lower pancreaticoduodenal artery aneurysm. An 80-year-old female was admitted to our hospital because of nausea and vomiting. During hospitalization, she developed hemorrhagic shock.

A Case of Isolated Celiac Artery Dissection Accompanied by Splenic Infarction Detected by Ultrasonography in the Emergency Department.

A 46-year-old male with a history of hypertension visited the emergency department (ED) by ambulance complaining of sudden pain in the left side of his back. Ultrasonography (USG) performed at ED revealed splenic infarction along with occlusion and dissection of the celiac and splenic arteries without abdominal artery dissection. Contrast enhanced computed tomography (CT) revealed the same result.

A Case of Waterhouse-Friderichsen Syndrome Resulting from an Invasive Pneumococcal Infection in a Patient with a Hypoplastic Spleen.

A 50-year-old male was brought to our emergency department by ambulance with complaints of pain and numbness in both legs. At arrival, purple spots were evident on his neck and face. Examination of the vital sign indicated septic shock.