Özkan Herek

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PURPOSE Ceftriaxone is known to induce reversible precipitations, known as pseudolithiasis, in the gallbladder and urinary tract. The aim of this study was to investigate the incidence and predisposing factors that contribute to this side effect. METHODS A prospective study was conducted in 156 children admitted for the treatment of various infections(More)
Anterior displacement of the anus (ADA), otherwise known as “anterior ectopic anus,” is considered to be a common congenital abnormality of anorectal region. However, the true incidence of this condition is not well known. We evaluated the incidence of ADA and its relationship to constipation in 357 children (191 boys and 166 girls) who were admitted to our(More)
Abdominoscrotal hydrocele is a collection of fluid in the tunica vaginalis extending through the inguinal canal into the abdominal cavity. Although this rare type of hydrocele was first described by Dupuytren in 1834, only 16 pediatric cases have been reported in the literature to date. On the basis of our own case and those described in the literature, the(More)
A massive hiatal hernia containing the colon, intestine, and stomach with organoaxial volvulus is an uncommon entity in childhood. This clinical form of a hiatal hernia may mimic congenital diaphragmatic hernia and chest pathologies. In this paper, we describe a patient who presented with a massive hiatal hernia that mimicked a congenital diaphragmatic(More)
Many biochemical markers have been investigated in intestinal ischemia. However, the effects of intestinal ischemia on the level of serum immunoglobulin A (IgA) has apparently not been investigated in the literature, although the gastrointestinal system is one of the main sources of serum IgA. The aim of our study was to evaluate the changes of serum IgA(More)
Bernard-Soulier syndrome is an autosomal recessive coagulopathy characterized by thrombocytopenia, prolonged bleeding time and large platelets. Because of the rarity of this disease, standard perioperative treatment protocols have not been developed and there are not enough available data for the management of surgical procedures. In this case, we(More)
Dear Sir, Despite advances in treatment protocols, enterocolitis remains the major cause of mortality and morbidity in Hirschsprung’s disease (HD). Although the pathogenesis of enterocolitis in HD is uncertain, stasis and bacterial overgrowth, deficiencies in transfer of secretory immunoglobulin A (s-IgA) across mucosal cells, alterations in mucin(More)
Hydatid cyst is a parasitic infection mostly caused by Echinococcus granulosus. As transmission occurs from infected dogs, it is endemic in animal husbandry regions. Here four patients within the same family are presented. The first patient is a 10 year-old girl admitted with nausea, vomiting, and fever. On her physical examination, there were decreased(More)