The majority of patients who develop recurrence do so in a similar mode and location. However, 10% develop complicated diverticulitis and in 35% of patients recurrent diverticulitis occurs at a different location.

Hepatic infections are frequent in clinical practice. Although epidemiological, clinical and laboratory data may suggest hepatic infection in certain cases, imaging is nearly always necessary to confirm the diagnosis, assess disease extension and its complications, evaluate the response to treatment, and sometimes to make differential diagnoses such as malignancies. Ultrasound (US) is usually the first-line investigation, while computed tomography (CT) and magnetic resonance imaging (MRI) provide better characterization and a more precise assessment of local extension, especially biliary and vascular. The purpose of this article is to describe the typical features and main complications of common hepatic infections. Familiarity with the radiological features of this entity can help suggest the correct diagnosis and the need for further studies as well as determine appropriate and timely treatment.

We describe a case of an uncommon early pancreatic cancer presentation in a patient in his 60s who had haemorrhagic shock from extensive haematochezia and required blood transfusions as well as surveillance in an intensive care unit. A splenic artery pseudoaneurysm that had been effectively embolized by angiography was seen to be actively bleeding into the colon lumen on a computerized tomography (CT) scan along with a necrotic mass of the pancreatic tail. A pancreatic mucinous adenocarcinoma was diagnosed by a transgastric biopsy. A pancreatico-colic fistula was discovered by CT scan after a colic contrast enema. A transabdominal drainage of the necrotic collection and targeted antibiotic treatment had been performed with a satisfying patient outcome. In order to assess a potential secondary surgical resection, systemic chemotherapy was planned. In conclusion, haematochezia with hemodynamic instability originated from a splenic artery pseudoaneurysm fistulising into the colon (arterio-colic fistula) and sepsis originating from a tumoral pancreatic abscess fistulising into the colon (tumoral pancreatico-colic fistula).

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