[Diagnostic difficulties in pediatric abdominal pain with potential appendicitis].

Background: Pediatric abdominal pain is one of the most common symptom of children brought to attention of primary care physicians and pediatric surgeons. In many children clinical symptoms may be uncharacteristic and may lead to diagnostic difficulties.

Aim: Clinical analysis of children with right lower quadrant abdominal pain suspected of appendicitis or children with periappendicular mass.

[Intramuscular angiomyolipoma in children--own observations].

Unlabelled: Angiomyolipoma (AGML) is a rare benign tumour usually located in the kidneys, but it can occur also in other sites -- e.g. in the skeletal muscles.

[Ewing's sacroma / PNET--the possibility to assure local control].

Unlabelled: Ewing's sarcoma and PNET are more and more frequently submitted to surgical treatment, as this method of local therapy seems to offer a better chance for cure. Which method surgery or radiotherapy (RTx) is more mutilating in childhood, should be carefully considered. The aim of the report is to review the possibility of local resection and reconstruction in various sites of the tumour.

Treatment of monostotic fibrous dysplasia with pamidronate.

Introduction: Fibrous dysplasia is a condition where fibrous tissue and bone with an altered structure replace normal bone. The craniofacial involvement is difficult to treat due to location, uncontrolled proliferation and compression of nerves. These result in facial asymmetry, pain, cranial nerve deficiencies, loss of vision or hearing, alterations in breathing, etc.