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OBJECTIVE To evaluate contralateral testicular blood flow by histological examination of arterioles during ipsilateral testicular torsion. MATERIALS AND METHODS The study comprised two groups of 20 male albino rats (weight 250-270 g). The control group underwent a sham operation, while in the second group the left testes were twisted clockwise by 720(More)
OBJECTIVE To find out if 5-fluorouracil (5-FU) given intraperitoneally to rabbits impaired the healing of colonic anastomoses, and whether giving zinc might reverse the effect. DESIGN Laboratory study. SETTING Teaching hospital, Turkey. ANIMALS 32 New Zealand white rabbits. INTERVENTIONS All animals had 1cm of large bowel resected 10cm proximal to(More)
Presence of extracellular cystic cavities in the thymus of many vertebrates has long been known. Various forms of such structures in human thymus were observed and examined thoroughly on immunostained and serial semithin sections. We grouped these structures into five categories according to their most characteristic features. The lympho-epithelial content(More)
BACKGROUND/PURPOSE Preventing thrombus formation after caustic esophageal ingestion has been proposed to have beneficial effects. Therefore, an experimental study was carried out to investigate the effects of heparin on the esophagus after caustic burns. METHODS Caustic esophageal burns were produced in rats by irrigation with 50% NaOH as described by(More)
BACKGROUND/PURPOSE Histological structures of peritoneum, processus vaginalis, and sacs obtained from girls with inguinal hernia and boys with inguinal hernia, hydrocele, and undescended testis have been compared through immunohistochemical features to evaluate if any clue descriptive for the etiology of inguinal hernia exists. METHODS Parietal(More)
OBJECTIVE To ascertain the presence of myofibroblasts in sacs associated with inguinal hernia in children, through an ultrastructural evaluation using electron microscopy. MATERIALS AND METHODS Sacs were obtained from 10 boys and 10 girls (of similar age, approximately 45 months) with inguinal hernia and processed for electron microscopy. Thin sections(More)
BACKGROUND/PURPOSE The maturity of neomucosa growing on a serosal surface for the treatment of short bowel syndrome still is questionable. The aim of this study was to evaluate the intestinal neomucosa to assess its histologic maturity. METHODS A 6-cm-long isolated ileal segment (IS) was prepared in 8 Wistar albino-type rats. The IS was divided from the(More)
BACKGROUND/PURPOSE The cremaster muscles (CM) associated with undescended testis reveal neurogenic alterations that mainly affect type 2 fibers. The ultrastructure of CM has been evaluated to define if further evidence to explain the alterations could be identified. METHODS CM of 8 boys with inguinal hernia and 8 boys with undescended testis at similar(More)
BACKGROUND The presence of varying amounts of smooth muscle (SM) in the patent processus vaginalis suggests that SM plays a role in the descent of the testis. Myogenesis within the gubernaculum (representing primitive mesenchymal tissue) has been evaluated. MATERIALS AND METHODS Bilateral gubernacula of ten male and five female fetuses were obtained.(More)
BACKGROUND This study was designed to elucidate the in vivo efficacy of epidermal growth factor (EGF) on wound healing in non diabetic and diabetic rats. METHODS Ninety-six male Wistar-Albino rats were randomly divided into six groups. Saline-moistened gauze, pure gelatin or EGF in gelatin-microsphere dressings were used in a dermal excision model in both(More)