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Patients with medullary thyroid carcinomas (MTC) were analyzed according to age, sex, and tumor stage. In addition, the MTC were screened for the predominant histologic pattern, immunocytochemical spectrum (60 tumors), and DNA content (DNA cytophotometry and DNA flow cytometry, 25 tumors). These findings were correlated with follow-up data available for 45(More)
AIMS Radiofrequency ablation is gaining popularity as the interventional therapy of choice for unresectable hepatic malignancies. However, little attention has been paid to the importance of operator experience in this therapy. This study aims to evaluate the results of RFA treatment dependent on operator experience and learning curve. PATIENTS AND(More)
PURPOSE The aim of this study was to assess the feasibility and safety of laparoscopic surgery for the cure of colorectal cancer with emphasis on oncologic follow-up in particular. METHODS A study was performed of patients with colorectal cancer treated by laparoscopy in five German centers between May 1991 and September 1997. Surgical and pathologic data(More)
AIMS Laparoscopic radiofrequency ablation (RFA) is an accepted approach to treat unresectable liver tumours, distinguishing itself from other techniques by combining minimal invasiveness and the advantages of a surgical approach. The major task of laparoscopic RFA is the accurate needle placement according to preoperative planning to achieve complete tumour(More)
PURPOSE Laparoscopic radiofrequency ablation is safe, practicable, and combines minimally invasive surgery with the advantages of laparotomy. However, application of the laparoscopic freehand puncture is restricted because of capnoperitoneum and the consequent fixation of the needle on two different points. The use of a laparoscopic ultrasound probe with a(More)
Morphological and clinical findings in 25 secondary tumours of the thyroid are described. The most common sources of such lesions were the kidneys (32%), lung (28%) and breast (20%). In the majority of cases, thyroidectomy was performed prior to identification and treatment of the primary cancer. Conversely, among renal cell carcinomas, the metastatic(More)
visceral (liver) surgery and first practical experiences A. Besirevic, S. Schlichting, V. Martens, P. Hildebrand, U. J. Roblick, L. Mirow, C. G. Bürk, A. Schweikard, H.-P. Bruch, M. Kleemann University Medical Center Schleswig-Holstein, Campus Lübeck, Department of Surgery University of Lübeck, Institute for Robotics and Cognitive Systems Abstract In this(More)
BACKGROUND Neuroendocrine tumours (NET) are rare and heterogeneous neoplasia. To obtain valid data on epidemiology, diagnostics, therapy, prognosis and risk factors is the aim of the German NET registry. PATIENTS AND METHODS Data from 2009 histologically proven NET were collected from 35 NET centres between 1999 and 2010. Data collection has been(More)
BACKGROUND A new dissection technique with high-pressure water stream (Hydro-Jet) has recently been applied for selective dissection during various surgical procedures. The aim of this study was to compare Hydro-Jet with the conventional technique for laparoscopic cholecystectomy. METHODS Eighty patients were randomized to undergo laparoscopic(More)
The current study was designed to identify prognostic factors for long-term survival in patients with advanced colorectal cancer in a consecutive cohort. A total of 123 patients were operated because of T4 colorectal cancer between 1 January 2002 and 31 December 2008 in the Clinic of Surgery, UK-SH Campus Luebeck. A total of 78 patients underwent a(More)