[Lactose intolerance: pathophysiology, clinical symptoms, diagnosis and treatment].

Lactose malabsorption and milk products intolerance symptoms are the most common alimentary tract disorders. Lactose intolerance is a result of lactase deficiency or lack of lactase and lactose malabsorption. Three types of lactase deficiency were distinguished: congenital, late-onset lactase deficiency and secondary lactase deficiency.

[Determination of milk and diary products consumption and their connection with lactose malabsorption or lactose intolerance in selected disorders of the alimentary tract in children].

Unlabelled: Lactose stimulates proliferation and colonization of acidophilic bacteria, which due to fermentation processes lower colonic pH and simplified absorption of some microelements from the intestine. However, the common problem in children is intolerance of this carbohydrate. Treatment, quite simple, is based on partial or total elimination of lactose from diet.

[Determination of lactose intolerance frequency in children with food allergy].

Unlabelled: Lactose malabsorption and lactose intolerance symptoms are the most common alimentary tract disorders in children. Lactose intolerance is a result of lactase deficiency or lack of lactase and lactose malabsorption. Hypersensitivity in food allergy is connected with the presence of specific IgE (specific antibodies against some allergens) or lymphocytes.

[Acute pancreatitis as a complication of diagnostic gastroduodenal endoscopy at 10 years old girl--case report].

A 10-years old girl with chronic pancreatitis, in whom the symptoms of acute pancreatitis appeared after gastroduodenal endoscopy is described. One hour after endoscopy the following symptoms appeared: unigastric and epigastric pain, intense vomiting, elevated amylase activity in the serum (2744 micro/l) and in urine (23738 micro/l) as well as serum lipase activity (4350 micro/l). Ultrasound of the abdomen revealed the enlargement of the pancreas with hypodense structure in comparison to the examination conducted couple hours earlier, and trace of fluid around the pancreas.

[Williams syndrome in 2-year-old boy].

In the course of Williams syndrome, in 15% of the cases, transient hypercalcemia is present. Additionally, in patients with this syndrome celiac disease is more frequent than in general population. In present work, a case of 2-years-old boy with hypercalcemia, deficiency of the body mass in whom Williams syndrome had been diagnosed in 15th month of life, was described.