Nitric oxide in patients with chronic liver diseases.

Aim: Chronic liver disease (CLD) may be accompanied by portal hypertension (PHT). Nitric oxide (NO) system disturbances seem to play a key role in the pathogenesis of CLD and PHT. In this study we aim to assess if in chronic active hepatitis (CAH) and cirrhosis (CIR), CLD severity and etiology can be correlated with the serum level of NO metabolites.

Heterotopic bone formation in gastric carcinoma. Case report and discussion of the literature.

Osseous metaplasia is a rare finding in the gastrointestinal tract. We report the case of a 75-year-old woman with a gastric adenocarcinoma showing heterotopic ossification with bone marrow formation. The pathogenetic theories are briefly discussed.