Karlheinz Ammann

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BACKGROUND Intestinal neuronal dysplasia (IND B) is still a subject of controversy. The aim of this paper is to review the present state of knowledge on IND B. A summary is given of the technical and diagnostic criteria which have to be considered in order to arrive at a reliable diagnosis. In addition, the available therapeutic interventions are discussed.(More)
BACKGROUND Early or late pouch dilatations account for a moderate complication rate after restrictive bariatric operations. Various strategies were developed to prevent or treat pouch dilatations. METHODS A case of necrosis of gastric wall in a concentric dilated pouch following laparoscopic adjustable gastric banding is reported as a severe complication(More)
HYPOTHESIS Preoperative chemoradiation for patients with stage II and III midrectal and low rectal cancer may improve survival and decrease local recurrence rate. We evaluated the long-term impact of neoadjuvant chemoradiation on anal sphincter function. DESIGN Prospective analysis. SETTING Tertiary referral center. PATIENTS From March 1, 1996, to(More)
Intestinal neuronal dysplasia (IND) was initially described as a developmental abnormality of the submucous plexus in children. In recent years this abnormality has also been observed in adults with chronic constipation. The aim of this study was a morphometric characterization of this disease. The investigation was performed with 10 adults with IND,(More)
BACKGROUND: The diagnostic criteria for hypoganglionosis in colon specimens from adults with chronic slow-transit constipation have not been defined properly. The aim of this study was to evaluate the most important diagnostic parameters for hypoganglionosis in routinely prepared transverse sections. METHODS: Twelve histopathologically diagnosed(More)
Massive bleeding from an appendiceal stump is a rare but occasionally seen severe complication. The bleeding may drain into the abdominal cavity, the retroperitoneum, or the digestive tract. Gastrointestinal hemorrhage may occur early or even years after appendectomy. The typical management includes ligation of the bleeding vessel or cecal resection done by(More)
AIMS In patients with early breast cancer sentinel node biopsy (SNB) proved to be an accurate procedure for axillary staging with significantly reduced morbidity. Medium- and long-term observational studies are needed to establish, whether SNB alone is able to prevent locoregional recurrence without impairing long-term survival. METHODS 298 patients with(More)
Eight patients with HOCM from the same family are presented. The clinical findings and the diagnostic and therapeutic procedures are discussed. Chest pain, palpitations and effort dyspnea were the main clinical symptoms. A characteristic systolic ejection murmur of late onset was present in all the cases. In 6 patients there were electrocardiographic signs(More)