Association of helicobacter pylori infection and colon cancer.

Background: Gastrin has been shown to exert carcinogenic effect to the epithelium of the colon. This study examines whether hypergastrinemia and H. pylori infection -especially infection by the CagA+ strain- are statistically associated with colorectal cancer and examine possible correlations with the colorectal cancer stage and lymph node metastasis.

Emphysematous pyelonephritis, a rare cause of pneumoperitoneum: a case report and review of literature.

Introduction: Emphysematous pyelonephritis is a gas-producing necrotizing bacterial infection that involves the renal parenchyma and perirenal tissue.

Case Presentation: We report on a case of a 55 year old Caucasian male with no prior medical history presented with left flank pain and malaise. He was diagnosed with emphysematous pyelonephritis, and was successfully treated in our department.

Collision tumour of the stomach with a cancer to cancer metastasis: a case report.

Introduction: Coexistence of a primary gastric lymphoma and a gastric adenocarcinoma is a rare event. The diagnosis is suspected after the pathologic examination of the endoscopic biopsies and definitely documented with the examination of the surgical specimen.

Case Presentation: We are presenting a rare case of a 77-year-old Greek man with epigastric pain of one and a half month duration, nausea, anorexia and weight loss.