[Spontaneous rupture of ductus choledochus in acute pancreatitis--a case report].

Spontaneous perforation of biliary tree is a rare disease. There are only a few case- reports published in the literature. Due to little success in the preoperative diagnosis, surgical treatment is delayed, which in a high percentage results into fatal complications.

[Biliary ileus--a rare complication of cholecystolithiasis].

The diagnosis of ileus caused by biliary stones occurs very rarely, with the range of 2 % worldwide. This complication of cholecystolithiasis caused by the stone fistulation into gastrointestinal tract and its subsequent obstruction occurs mostly in elderly and has a high mortality rate. During the course of ten years (1996-2006) in the 2nd surgical clinic FNLP in Kosice, 1640 cholecystectomies and 255 operations, due to the obstruction ileus, were performed.

[An uncommon localized form of retroperitoneal fibrosis].

The authors describe an uncommon case of a localized form of idiopathic retroperitoneal fibrosis in a 70-year-old patient. They considered the tumour in the right hypogastrium (20 x 18 x 10 cm) malignant. The result of histological examination was surprising--Ormond's disease.

[A splenic abscess of unknown etiology].

The authors describe the case-history of a 7-year-old female patient with a lienal abscess of unknown etiology. The patient was treated by classical splenectomy with a very good final outcome. The authors draw attention to the serious character of the disease even nowadays and to contemporary diagnostic and therapeutic possibilities.

[When and how we perform surgery for inguinal hernia in children].

In the course of 15 years in the authors department 4,694 operations of inguinal hernias and hydrocele were performed in children at the age of 0-15 years. Most frequently children aged 2-5 years were involved (45%). There were 4.