[Diarrhea, from the gastroenterologist's point of view].

Patients seeking help from gastroenterologist have frequent complaints of changes in the quality and quantity of stool as well in the frequency of bowel movements. Definition of diarrhea includes: more than three bowel movements daily, more than 200 grams of the stool daily, and its water content exceeding 75-85%. Diarrhea lowers the quality of life and can be a sign of organic disease.

[Gastric micropneumatosis: a rare endoscopic entity].

The rarely described gastric micropneumatosis is caused by accumulating air in the mucus membrane. It may associate mainly with Helicobacter pylori positive atrophic gastritis or with pneumatosis due to gas producing bacteria or non-infectious causes. In our case the disorder was diagnosed in a 69 years old patient, taking clopidogrel, living in a nursing home, with history of hypertension, general arteriosclerosis, cerebral infarction, who was admitted to our department because of melaena and hematemesis.

[Pneumatosis cystoides intestinalis, as a rare complications of coeliac disease].

Intestinal pneumatosis cystoides is rarely diagnosed clinical entity characterized by multiple gas containing cysts inside the wall of the gastrointestinal tract. Primary (15%) and secondary (85%) forms are known. In the more frequent secondary forms small intestine and the right side of the colon are mainly affected, and the underlying pathology can be gastrointestinal, pulmonary or immunological.

[Manifestation of adult celiac disease during the puerperium].

The coeliac disease is a T cell mediated autoimmune enteropathy, presents in genetically susceptible person exposed to gluten. It can manifest in any age group but it is becoming more commonly diagnosed in adulthood. Very rarely it manifests during pregnancy or after childbirth, possibly due to hormonal and immunological changes.

[Bile duct obstruction caused by neurofibroma in a patient with Recklinghausen's disease].

Introduction: Neurofibromatosis type-I (von Recklinghausen's disease) is characterised by multiple cutan neurofibromas, cafe-au-lait spots, bone abnormalities and tumours of central and peripheral nerves. Gastrointestinal involvement occurs in 25 percent of all cases.

Case Report: The authors report a case of a 53-year-old man presenting with rare hepatobiliary complication.