Thierry Merrot

Learn More
To perform a laparoscopic appendectomy, three trocars are usually needed. In order to reduce abdominal wall trauma, we have adopted an umbilical one-puncture laparoscopic-assisted appendectomy (UOPLAA). We did a retrospective study of UOPLAA performed during last 2 years on 200 children aged from 5 to 18 years (median, 9 years). The patients were selected(More)
OBJECTIVES To investigate the incidence, nature, and management of associated ipsilateral genitourinary malformations in children with multicystic dysplastic kidney (MCDK). METHODS In this retrospective study, we analyzed the medical records and imaging studies of 93 patients with MCDK. Patients underwent ultrasonography, voiding cystourethrography,(More)
PURPOSE Intravaginal or extravaginal spermatic cord torsion is a diagnostic challenge for the surgeon and radiologist. Color Doppler sonography can be inaccurate, leading to dangerous false-negative results. To date, no single reliable test has been able to provide 100% diagnostic accuracy. The direct visualization of the twisted cord during emergency high(More)
BACKGROUND The aim of the present national prospective population-based study was to assess the early morbidity of esophageal atresia (EA). METHODS All 38 multidisciplinary French centers that care for patients with EA returned a specific questionnaire about the 1-year outcome for each patient. This information was centralized, checked, and entered into a(More)
BACKGROUND Numerous studies have focused on the association between endocrine-disrupting chemicals (EDCs) and hypospadias. Phenotype variability, the absence of representative comparison groups and concomitant genetic testing prevent any definitive conclusions. OBJECTIVE To identify the role of occupational and environmental exposures to EDCs in(More)
OBJECTIVES We evaluated functional outcome of kidneys with fetal urinoma associated to ureteropelvic junction obstruction. METHODS We retrospectively reviewed 5 cases of antenatally diagnosed urinoma associated to hydronephrosis. Prenatal imaging work-up consisted of ultrasound (US) and magnetic resonance (MR) examination. Differential renal function was(More)
PURPOSE A prospective national register was established in 2008 to record all new cases of live-birth newborns with esophageal atresia (EA). This epidemiological survey was recommended as part of a national rare diseases plan. METHODS All 38 national centers treating EA participated by completing for each patient at first discharge a questionnaire(More)
A retrospective study of a series is presented of 19 simple cysts of the upper third of the femur in children of a mean age of 7 years. The patients included 4 adolescents and 15 children under the age of 10. Mean recurrence was 6 years. Different treatment methods were utilized: - surgical treatment: curettage-bone grafting with or without osteosynthesis,(More)
Touch is detected through receptors located in the skin and the activation of channels in sensory nerve fibres. Epidermal keratinocytes themselves, however, may sense mechanical stimulus and contribute to skin sensation. Here, we showed that the mechanical stimulation of human keratinocytes by hypo-osmotic shock releases adenosine triphosphate (ATP) and(More)