Septic thrombophlebitis of the portal vein due to acute cholecystitis.

Background: pylephlebitis is a rare complication of intraabdominal infections. Clinical presentation can be varied; therefore, it is necessary to carry out imaging tests for diagnosis. The treatment of choice is wide-spectrum antibiotic therapy and surgery for the source of infection.

Gastrointestinal bleeding and intussusception due to gastrointestinal stromal tumor (GIST).

Background: Small bowel tumors comprise 25% of gastrointestinal (GI) neoplasms, of which only between 0.2 and 1% correspond to gastrointestinal stromal tumors (GIST). GI bleeding is the most common presentation of GIST, being responsible in 1% of the cases.

[Rupture of a pyogenic liver abscess: a rare cause of pneumoperitoneum].

Spontaneous pneumoperitoneum is a common finding in patients with abdominal disorders. In 90% of cases, this entity results from hollow viscera perforation. Rupture of a pyogenic liver abscess is an infrequent complication occurring in 5 to 15% of cases.