Publications by authors named "Mehmet E Senocak"

Totally implantable venous access devices (TIVADs) increase the quality of life in children with hematologic and oncologic diseases or organ failures. The aim of this study is to determine the reasons for port removal. The port catheters, implanted and removed in patients between January 2000 and June 2013 were evaluated retrospectively.

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Background: Hypospadias is a common congenital anomaly. Over 300 techniques have been described for repairing hypospadias.

Objective: Eccentric circummeatal based flap with combined limited urethral mobilization technique (ECMB-LUM) is a simple procedure to repair distal hypospadias with minimal complication rate.

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This clinical study was designed to evaluate mortality rate and the factors that may affect survival in neonatal surgery unit. Randomly chosen 300 (ß: 0.20) patients among 1,439 patients treated in neonatal surgery unit during years 1983 to 2009, were evaluated retrospectively.

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Context: Surgery is an important part of treatment in children with neuroblastoma; however, exact timing is unclear. Both initial and delayed surgery was suggested as the best by numerous studies.

Aims: Thus, we aimed to investigate the role of delayed surgery on 31 children with high-risk neuroblastoma.

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Parenteral nutrition-associated cholestasis (PNAC) is one of the most important complications of parenteral nutrition (PN). This study was conducted to define the incidence, characteristics and precipitating factors of PNAC in infants treated with two different PN regimens in the pediatric surgery department. The records of infants who received two different PN regimens during January 2000-May 2008 (Group 1) and June 2008-May 2012 (Group 2) were reviewed retrospectively.

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Enterobius vermicularis (pinworm) is the only nematode that infects humans. It is one of the most common intestinal parasites. Pinworm commonly infests the terminal ileum and colon, and does not cause severe morbidity unless ectopic infection occurs.

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We investigated the patients who developed postoperative intussusception after a variety of intraabdominal procedures in order to identify the differentiating features and facilitate the prompt recognition and management of this entity. Fourteen patients with postoperative intussusception following an abdominal surgery between 1993 and 2010 were analyzed retrospectively. The primarily applied surgeries were: repair of diaphragmatic hernia (n=3), choledochal cyst excision (n=2), extraction of surrenal neuroblastoma (n=2), Duhamel operation (n=1), colostomy closure (n=1), Nissen fundoplication with (n=1) and without (n=1) gastrostomy, gastropexy (n=1), gastrostomy and jejunostomy (n=1), and manual reduction of ileocolic intussusception (n=1), with a median duration of 135 minutes (120-240).

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Purpose: Female pseudohermaphroditism is the most frequent form of ambiguous genitalia in children with congenital adrenal hyperplasia (CAH). However, a small group of children with complete urethral development in contrast to 46XX karyotype can be encountered. We aimed to define the characteristics of patients with 46XX CAH but having fully developed male external genitalia.

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Gastric perforation (GP) in patients with isolated esophageal atresia (EA) is seen more than expected. The etiology of the perforation may be vulnerability of these immature stomachs. Gastrostomy operation should be performed by gentle handling.

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Magnet ingestion may lead to serious complications with delay in diagnosis and treatment. The forceful attraction between magnets, with gastric and/or intestinal wall entrapped between them, can cause injury through pressure necrosis. The radiological appearance of more than one magnet on X-ray can be easily misinterpreted as belonging to only one rod-like radiopaque foreign body, even if the magnets are located in different parts of the gastrointestinal tract, thus delaying the management up to the onset of emergent surgical complications.

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A retrospective analysis was performed to determine the prognostic factors affecting survival in children who underwent pulmonary metastatectomy. Seventeen patients who underwent pulmonary metastatectomy between 2000-2006 were evaluated retrospectively by means of age, sex, primary diagnosis, time of metastasis appearance, number of nodules found on imaging examinations, type of management, surgical data, and outcome. Video-assisted thoracoscopic surgery (VATS) was used in 11 patients, and all patients underwent thoracotomy consequently.

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Purpose: To determine the best therapeutic approach for acquired tracheoesophageal fistulae in childhood by evaluation of distinct clinical presentations requiring different surgical management based on our clinical experience.

Patients And Methods: Seven patients with acquired tracheoesophageal fistula seen between 1999 and 2010 were retrospectively studied with regard to the presenting findings, diagnostic evaluation, therapeutic approach, and outcomes.

Results: Five girls and two boys with a median age of 36 months (range, 2-156 months) were treated for acquired tracheoesophageal fistula.

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Background And Purpose: Papillary thyroid carcinoma has a favorable outcome in children. Recent experience with young children cases with early recurrences, after the total thyroidectomy and excision of palpable lymph nodes, in contrast to usual course of disease in adolescent cases, prompted us to review our experience on papillary carcinoma surgery.

Materials And Methods: Sixteen children who underwent surgery for papillary carcinoma between 1997 and 2010 were included.

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Peutz-Jeghers syndrome (PJS) is a rare, dominantly inherited disorder characterized by gastrointestinal hamartomatous polyps, mucocutaneous hyperpigmentation, and an increased risk of cancer. We present a 16-month-old child diagnosed with PJS, who had distinguishing features compared with the previously reported cases with respect to her clinical presentation, associated malignancies, and genetic analysis. To our knowledge, this is the first report of adrenocortical carcinoma in association with PJS, as well as the first instance of associated thyroid cancer in a child with PJS.

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Background And Purpose: Gastric outlet obstruction (GOO) may be caused by various congenital and acquired conditions in children. The authors report 11 cases of GOO caused by muscular hypertrophy of the pylorus, which was proven histologically in 7. They describe this entity as "late-onset hypertrophic pyloric stenosis (HPS)," define the diagnostic criteria of the disease, and produce an algorithm for its management.

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Background And Purpose: Sclerotherapy with bleomycin sulfate (BS) is currently used in the management of cervicofacial cystic lymphatic malformations in children. Neurotoxic adverse effects of BS after intraventricular or intracavitary administration have been reported; however, the effects of intralesionally administered BS on the adjacent peripheral neural structures have not been previously investigated. The authors conducted a clinical experimental study to evaluate facial nerve function in children who have undergone BS sclerotherapy for cervicofacial cystic lymphatic malformation.

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Hybrid renal cell carcinoma (HRCN) is a rare type of renal tumor with characteristic pathologic features, including oncocytic and chromophobe cellular content, and shows more favorable prognosis than renal cell carcinoma. The early-stage tumors show favorable outcome, and postoperative regular clinical and radiological follow-up is adequate in most cases. However, close follow-up is mandatory for tumors with histopathologically coexistence of squamous, papillary, and/or eosinophilic RCC component.

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Objective And Method: The survival of the patients with neuroblastoma has improved in last few decades. But still it depends on various clinical and biological factors. To assess the clinical features and trends in survival, the data for 500 newly diagnosed patients between January 1972 and December 2004 from a single center were retrospectively analyzed.

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Ingestion of a corrosive substance only rarely presents with life-threatening symptoms because of acute necrosis of the esophagus and/or stomach and necessitates emergency surgery. Once the patient is stabilized, a staged reconstruction of the alimentary tract is planned. The surgeon should be familiar with the various types of gastric reconstruction in conjunction with or without esophageal replacement.

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Objective: To evaluate if a correlation exists between the clinical and radiologic characteristics at presentation; and the success of conservative management, morbidity and outcome of patients with intussusception.

Methods: All patients (total 179) treated for intussusception in our unit between 1993 and 2003, were retrospectively reviewed to find out the effects of physical examination (general appearance, consciousness, body temperature, abdominal distention and tenderness, blood on rectal examination), laborat (leukocyte count) and radiologic (air-fluid level on X-ray, free abdominal fluid on ultrasonography) findings on selection of first step therapeutic modality, conservative management (reduction with barium or air) success rate and surgical complication (serosal defect, intestinal perforation) rate. Additionally, the patients were subdivided into three subgroups as group A (patients for whom surgical management was performed primarily), group B (the ones who were operated after failure of reduction attempt with barium or air), group C (patients who had successful conservative reduction).

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Minimally conjoined omphalopagus twins (MCOTs) has been recognized in the last decade as a special subgroup in which omphalopagus twins have union of peritoneal cavities through anterior lower abdominal wall defect with union of distal small intestine and patent urachal structures and associating anorectal malformation. A careful review of the current literature revealed that MCOTs have usually been separated in emergency situations within the first hours of life due to ruptured omphalocele, gastroschisis, stillbirth of one of the twins, intestinal obstruction, or requirement of enterostomy for cloacal anomaly. Pediatric surgeons should be familiar with MCOTs and ready for emergency separation with thorough knowledge of the anatomical relationships of the connecting structures and the embryologic basis for this anomaly.

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In this research, we aimed to evaluate the accordance of radiologic study results with each other and with surgical findings with regard to presence and/or absence of intussusception. One hundred and seventy-nine patients treated for intussusception between 1993 and 2003 inclusive were retrospectively reviewed to compare results of initial ultrasonography, colonography, followup ultrasonography after conservative management (reduction with barium enema and/or air insufflation) and surgical findings to determine their accordance within each other with regard to diagnosis of intussusception. Results of initial ultrasonography were not in accordance with results of colonography.

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Background And Purpose: Cystic nephroma (CN) and localized renal cystic disease (LRCD) are rare benign renal entities that can occur in children. A retrospective evaluation of the experience with these conditions was performed to emphasize the importance of differential diagnosis, recognition, and selection of the proper mode of treatment.

Materials And Methods: The medical records of patients treated for CN (n = 4) and LRCD (n = 1) between 1980 and 2007 were retrospectively evaluated.

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Infants are more susceptible to tuberculous bacilli and may develop severe extrapulmonary and miliary forms of the disease. However, miliary tuberculosis (MT) presenting with multiple intestinal perforations as an initial manifestation of the disease is extremely rare in children. The authors describe an infant who underwent emergency laparotomy because of jejunoileal perforations secondary to intestinal involvement of MT to emphasize the characteristics of the abdominal disease and the importance of controlling systemic disease to achieve a favorable outcome.

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Progressive familial intrahepatic cholestasis (PFIC) is a cholestatic liver disease of childhood. Pruritus secondary to increased bile salts in the serum may not respond to medical treatment. Partial external biliary diversion (PEBD), which reduces the serum bile salt level in the enterohepatic cycle, is used in the treatment of this symptom.

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