In this article we present a case of Horner syndrome in a teenager occurring with thoracoscopic treatment for spontaneous pneumothorax. Horner's syndrome is a rare pathological condition caused by a lesion of the sympathetic nervous system responsible for the innervation of the eye. A brief review of the available literature data on the occurrence of this complication in spontaneous pneumothorax, its etiopathogenesis, and clinical manifestations is presented. The anamnesis, clinical picture, instrumental studies, stages of operation of this clinical case are described in detail. It is assumed that Horner's syndrome is associated with tissue damage near the stellate ganglion and nerve fibers during physical pleurodesis by argon-plasma coagulation. Key words: children, pleurodesis, Horner syndrome, spontaneous pneumothorax

In this article, we report a rare case of dual ectopic pancreas in a 12-year-old child. The patient was examined because of longterm pain and low weight. The endoscopic finding explained the cause of pain. To correct this malformation, we used laparoscopic resection. We provide a detailed description of the case history, clinical manifestations, results of laboratory and instrumental examination, stages of surgery, and pathological report. Kew words: ectopic pancreas in the stomach, children, laparoscopic resection