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  • 1
    Electronic Resource
    Electronic Resource
    Training program for transanal endoscopic microsurgery (1988)
    Springer
    Surgical endoscopy and other interventional techniques 2 (1988), S. 24-27 
    Details
    ISSN: 1432-2218
    Keywords: Colonic adenoma ; Endoscopy, rectum and sigma ; Transanal endoscopic microsurgery ; Video-supported training course
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Televised endoscopy and the concept of the “assisted” endoscopic operation is of great help in teaching surgical endoscopic techniques. The use of training dummies provides a new method of training manual dexterity and surgical skills in special courses or in surgical skill laboratories. We have developed a training system for transanal endoscopic microsurgery. Operations with our technique were performed on 116 patients. Like other microsurgical techniques, our method requires a special introduction and intensive training. This paper presents our multistage, video-supported training course for teaching transanal endoscopic microsurgery. The one-day training session is divided into four steps: (1) becoming acquainted with the technology; (2) training on cloth phantom; (3) training on opened bowel; (4) training on closed bovine bowel distended by gas insufflation. Each step is introduced by a short videotape didactically demonstrating the particular aspects of the method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00591394
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  • 2
    Electronic Resource
    Electronic Resource
    New tools (1989)
    Springer
    Surgical endoscopy and other interventional techniques 3 (1989), S. 117-118 
    Details
    ISSN: 1432-2218
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00590915
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  • 3
    Electronic Resource
    Electronic Resource
    Endoluminal sonography in follow-up of rectal carcinoma (1989)
    Springer
    Surgical endoscopy and other interventional techniques 3 (1989), S. 199-202 
    Details
    ISSN: 1432-2218
    Keywords: Rectal carcinoma ; Endoscopic sonography ; Tumor follow-up
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Fourteen patients who had undergone local excision, anterior resection or low anterior resection for rectal carcinoma were examined by endoscopic ultrasonography. In two of three cases of local recurrent carcinomas, endoscopic sonography was superior to computed tomography in determining the depth of tumor infiltration. There were difficulties in differentiating scar tissue from local tumor formation when the mucosa appeared normal upon endoscopic examination. Only repeated follow-up examinations starting in the postoperative period, will allow a differentiation between scar tissue and local tumor recurrence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02171546
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  • 4
    Electronic Resource
    Electronic Resource
    Clinical results of transanal endoscopic microsurgery (1988)
    Springer
    Surgical endoscopy and other interventional techniques 2 (1988), S. 245-250 
    Details
    ISSN: 1432-2218
    Keywords: Transanal endoscopic microsurgery ; Surgery of adenomas ; Local excision of early carcinomas ; Recurrence rate after resection of adenoma ; Complication rate after resection of adenoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Using the “transanal endoscopic microsurgery” technique, 140 patients were treated at the Department of Surgery in Cologne and Mainz. Of the patients with adenomas, 68.2% had typical symptoms preoperatively. The postoperative hospital attendance was 8.7 days, with an average resection size of 14.4 cm2. The postoperative complication rate was 5%, and there were no deaths related to the technique. In a prospective controlled trial, 2.2% of the patients with adenomas treated endoscopically in Mainz showed recidivation, requiring reoperation. The follow-up rate was 100%. In 30 cases, microscopic examination revealed carcinoma. Radical reoperation in 8 pT1 tumours showed neither remaining tumour nor lymph node metastases. Twelve patients with pT1 carcinoma treated by local surgery alone were recurrence-free with an average follow-up period of 12.3 months. So far, there have been no late results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00705331
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  • 5
    Electronic Resource
    Electronic Resource
    Technique of transanal endoscopic microsurgery (1988)
    Springer
    Surgical endoscopy and other interventional techniques 2 (1988), S. 71-75 
    Details
    ISSN: 1432-2218
    Keywords: Rectal adenoma ; Early rectal carcinoma ; Rectal surgery ; Endoscopic microsurgery ; Transanal surgery ; Polyp surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Sessile adenomas are predominantly localized in the rectum and lower sigma. Surgical removal is indicated but often implies an invasive surgical procedure. Using conventional transanal surgical techniques, only the lower rectum can be reached and there are high rates of recurrence. The new technique combines an endoscopic view of the rectum under gas insufflation via a stereoscopic telescope with conventional surgical preparation and suturing. Adenomas can be excised using the mucosectomy technique or full-thickness-excision, whereas carcinomas should be excised using full-thickness excision with a sufficient border of healthy mucosa. In carcinomas of the sacral cavity, we remove the retrorectal fat up to the fascia of Waldeyer, including the regional lymph nodes. Transanal endoscopic microsurgery is the most economical and tissue-saving surgical technique for the removal of rectal adenomas and early rectal carcinomas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00704356
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  • 6
    Electronic Resource
    Electronic Resource
    Endoluminal ultrasonic examination of sessile polyps and early carcinomas of the rectum (1989)
    Springer
    Surgical endoscopy and other interventional techniques 3 (1989), S. 92-95 
    Details
    ISSN: 1432-2218
    Keywords: Endoscopic ultrasonography ; Adenomas and T1-carcinomas ; Preoperative staging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The results of conventional endosonographic techniques in the assessment of early carcinomas and sessile polyps of the rectum have been unsatisfactory. We therefore developed a new technique in which the rectal cavity is filled directly with water. Using this technique, the anatomy of small rectal tumors is preserved and the layers of the rectal wall are easier to differentiate, especially with a 10-MHz scanner. The clinical results in 66 patients demonstrate that this new technique is very accurate in the preoperative staging of adenomas and T1-carcinomas of the rectum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00590908
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  • 7
    Electronic Resource
    Electronic Resource
    231. Bedeutung der Lymphknotendissektion für die Prognose beim Magenfrühcarcinom (1987)
    Springer
    Langenbeck's archives of surgery 372 (1987), S. 869-869 
    Details
    ISSN: 1435-2451
    Keywords: Early gastric cancer ; Lymph-node dissection ; Magenfrühcarcinom ; Lymphknotendissektion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Insgesamt 167 Patienten, die wegen eines Magenfrühcarcinoms operiert wurden, wurden hinsichtlich der Überlebensrate und der Rezidivfreiheitsrate untersucht. Dabei zeigte sich ein signifikanter Unterschied bei der Rezidivfreiheits- und Überlebensrate bei durchgeführter Ulcusoperation (BII) und durchgeführter Gastrektomie bzw. subtotaler Resektion jeweils mit Lymphknotendissektion. (5-Jahresüberlebensrate 65% gegenüber 95% und Rezidivfreiheitsrate 68% gegenüber 97%). Die Lymphknoten der Gruppe I waren beim Mucosacarcinom bei 3,3% bis 5,6% und beim Submucosacarcinom bei 8,1% bis 9,6% der Patienten befallen. Es ist daher eine Krebsoperation mit Lymphknotendissektion der Lymphknotenstation I und evtl. auch II zu fordern.
    Notes: Summary A total of 167 patients who had been operated on because of early gastric cancer were reexamined with regard to survival and recurrence rates. A significant difference was found between subtotal gastrectomy and radical subtotal gastrectomy or total gastrectomy, each including lymph-node dissection, concerning the survival and recurrence rate. (A 5-year survival rate of 65% as opposed to 95% and a recurrence rate of 68% versus 97%). The lymph nodes in group I were attacked in 3.3% to 5.6% of the patients with infiltration of the mucosa and from 8.1% to 9.6% with infiltration of the submucosa. For these reasons a cancer operation must include lymph node-dissection in groups I and II.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01298015
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