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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical endoscopy and other interventional techniques 11 (1997), S. 734 -736 
    ISSN: 1432-2218
    Keywords: Key words: Nonparasitic liver cysts — laparoscopic deroofing — omental transposition flap
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Between 1991 and November 1994, 18 patients with large, solitary, nonparasitic liver cysts underwent laparoscopic deroofing; the last 13 of them also received an omental transposition flap in addition. Methods: Using three to four trocars, the cystic contents were first aspirated, and the cyst derooted widely using diathermia. An omental transposition flap was fashioned and stapled into the cyst cavity itself. Results: Postoperative complications included one case of pulmonary atelectasis. Another patient developed a subhepatic bile collection which was aspirated percutaneously. On average, patients were discharged on the 4th (2–14) postoperative day. Follow-up was performed with abdominal ultrasound for 2–43 months (mean 19 months). There were two early cyst recurrences, both in cases without an omental transposition flap (overall recurrence rate, 11%; in patients with omental flap, 0). Conclusions: Deroofing in combination with an omental transposition flap is a safe and effective therapy for symptomatic solitary liver cysts and can be performed using minimal-access surgical techniques.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical endoscopy and other interventional techniques 9 (1995), S. 924-927 
    ISSN: 1432-2218
    Keywords: Splenectomy ; Laparoscopy ; Spleen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Between early 1992 and December 1994, laparoscopic splenectomy was performed in 27 patients with idiopathic thrombocytopenia (ITP), hairy-cell leucemia, HIV, or Hodgkin's disease. In all cases medical treatment, especially cortisone therapy, failed. In Hodgkin's disease the splenectomy was combined with liver biopsies and dissection of parailiacal, paraaortic, and mesenteric lymph nodes for abdominal staging. The operation was performed using four trocars; the splenic vessels were divided by a linear stapler. In general the spleen was removed in a bag through a slightly enlarged trocar incision or after morcellation. Three patients needed a small laparotomy for the removal (laparoscopic assisted). In a recent case of Hodgkin's disease the intact spleen was removed via posterior colpotomy. In 22 of 27 cases (81%) the operation was finished laparoscopically. Five times a conversion to conventional laparotomy was necessary because of bleeding of enlarged lymph nodes at the hilum. Wound infections occurred in two cases. In one patient with ITP the platelet count did not improve and continuous blood loss led to relaparotomy at the 1st postoperative day. No surgical bleeding was found. All patients tolerated a fluid diet at the 1st postoperative day and hospitalization time was 4.4 days (range 3–14). Regarding the low complication rate and the advantages of a smaller abdominal trauma in the postoperative period, the laparoscopic approach for elective splenectomy and laparoscopic abdominal staging has a substantial benefit for the patients.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 124 (1998), S. 199-206 
    ISSN: 1432-1335
    Keywords: Key words Soft-tissue sarcoma ; Survival ; Prognostic data
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Since 1988, treatment strategies for our sarcoma patients have been determined by the same team and operations performed by one surgeon. The aim of this study was to analyse prognostic data on local recurrence and survival of 101 consecutive patients who presented in our institution with the primary tumour manifestation. After a median follow-up of 35 months, the local recurrence rate was 13.5%, the mean survival time was 68 months and the 5-year survival rate was 83%. Besides positive lymph nodes (only 3 patients) the quality of resection significantly influenced local recurrences (P〈0.05). Univariate predictors of mortality were tumour grade (P〈0.01), tumour size (P〈0.05), distant metastases (P〈0.01), and resection quality (P〈0.01). Multivariate predictors of mortality consisted of grade (P〈0.0001), positive lymph nodes (P〈0.001) and resection quality (P〈0.01). In this homogeneous group of patients, excellent recurrence and survival rates could be achieved. An optimized surgical treatment not only reduces the rate of local recurrences but also augments survival time.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 379 (1994), S. 368-371 
    ISSN: 1435-2451
    Keywords: Primary sarcoma of the liver ; Surgical therapy ; Prognostic factors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im Zeitraum von 1985 bis Januar 1994 wurden an der Chirurgischen Universitätsklinik Hamburg-Eppendorf 11 erwachsene Patienten mit primären Sarkomen der Leber operiert. Achtmal konnte der Tumor R0 reseziert werden, davon einmal im Rahmen einer Lebertransplantation. Drei Patienten wurden primär R1-reseziert. Zum Abschluß der Untersuchungen leben nach im Mittel 57 (5–104) Monaten 7 R0-resezierte Patienten tumorfrei. Bei der lebertransplantierten Patientin traten 31 Monate nach Diagnosestellung Metastasen auf. Zwei der Patienten mit primärer R1-Resektion starben nach 30 bzw. 35 Monaten, einer lebt 7 Monate nach Diagnosestellung tumorfrei. Patienten mit nichtmetastasierten, primären Lebersarkomen können einen langfristigen Verlauf erwarten, wenn der Tumor im Rahmen einer anatomischen Leberresektion mit weitem Sicherheitsabstand entfernt wird. Bei multifokalem Befall der Leber kann eine Lebertransplantation erwogen werden.
    Notes: Abstract Eleven adult patients with primary sarcoma of the liver underwent surgery at the University Hospital of Hamburg-Eppendorf between 1985 and January 1994. In 8 cases it was possible to resect the tumor with wide margins (R0), in 1 of these in the course of orthotopic liver transplantation. Three patients had primarily marginal resection (R1). By the end of the study period 7 of the patients who underwent initial RO resection are tumor-free, with a mean survival time of 57 (5–104) months. The patient with orthotopic liver transplantation developed metastases 31 months after primary surgery. At 7 months after initial R1 resection, 1 patient is alive with no evidence of disease while 2 others died after 30 and 35 months, respectively. Patients with non-metastasized, primary sarcomas of the liver can expect long-term survival if the tumor is resected with wide margins in an anatomical hepatectomy. In the case of multifocal growth in the liver transplantation can be considered.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 380 (1995), S. 333-339 
    ISSN: 1435-2451
    Keywords: Soft tissue sarcoma ; Local recurrence ; Prognostic factors ; Surgical therapy ; Extremity ; Trunk
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Weichteilsarkome neigen zur Ausbildung von Lokalrezidiven. In einer Studie von 140 Patienten der letzten 20 Jahre mit Sarkomen an Extremitäten und Rumpf wurde untersucht, welche Faktoren das Auftreten von Lokalrezidiven beeinflussen. Statistische Signifikanz ergab sick fur die Qualität der chirurgischen Re sektion (R) (p〈0,001), den regionalen Lymphknotenstatus (p=0,03) sowie eine adjuvante Strahlentherapie (p=0,01) [bei marginal resezierten (RI), niedrig differenzierten (G3) Tumoren]. 1988 wurde das chirurgische Vorgehen standardisiert. In der Zeit danach traten signifikant weniger Rezidive auf als davor (p 〈 0,001). Bei subfaszialer Lage traten Rezidive nach Kompartmentresektion wesentlich seltener auf als nach weiter Resektion. Der Krankheitsverlauf von Weichteilsarkomen ist also durchaus therapeutisch beeinflußbar. Ein dreidimensional weiter Sicherheitsabstand ist das entscheidende Therapieziel, eine Bestrahlung in R1-Situationen indiziert.
    Notes: Abstract Soft tissue sarcomas (STS) tend to recur locally. In a series of 140 patients operated on during the past two decades with STS of the extremities and trunk, prognostic factors influencing local recurrence were determined. Statistical significance was evaluated for the quality of surgical resection (P〈0.001), regional positive lymph nodes (P=0.03), and adjuvant radiotherapy (P=0.01) [for resection without wide margins (R1) and low-grade (G3) tumors]. In 1988, the surgical procedure was standardized. After 1987, local recurrence decreased significantly (P 〈 0.001). In subfascial tumors, local recurrence occurred far less in cases of compartmental resection than with wide excision. These data indicate that the course of patients with STS can be beneficially influenced by optimal therapy. Resection with wide margins in all three dimensions is the aim of sarcoma surgery. Postoperative radiation therapy is indicated in the case of R1 resection.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 382 (1997), S. 203-208 
    ISSN: 1435-2451
    Keywords: Weichteilsarkome ; Extremitäten ; Rumpf ; Überleben ; Prognostische Faktoren ; Soft tissue sarcoma ; Extremity ; Trunk ; Survival ; Prognostic factors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Background: Soft tissue sarcomas (STS) of the extremities are rare. The purpose of this study was to identify prognostic risk factors associated with survival in patients with primary extremity and truncal STS.Methods: Patient, tumor, and pathologic data from 149 consecutive patients with localized primary STS of the extremities and trunk were analyzed using Kaplan-Meier and Cox regression techniques to identify univariate and multivariate risk factors. A subgroup analysis was performed to compare factors predictive of survival in patients who received treatment before (n=50) and after (n=99) treatment was standardized in 1988.Results: The 5-year survival rate was 76.5% with an average follow-up of 6 years. Local recurrence occurred in 23% of all patients, 40% before 1988 and 15% after 1988 (P〈0.0001). Risk factors associated with survival included resection quality (R0 vs. R1;P〈0.0001), era of operation (P=0.002), local recurrence (P〈0.001), UICC stage (P〈0.0001), tumor size (P〈0.001), tumor depth (P=0.002), regional lymph nodes (P〈0.0001), and histology (P〈0.0001). Multivariate analysis revealed that tumor size, tumor depth, and resection quality were independent risk factors of survival.Conclusions: These results indicate that management of STS in a specialized institution improves overall survival. Resection quality is the most important risk factor of survival. Therefore, effort should be made during primary treatment of STS to achieve wide, tumor-free resection margins.
    Notes: Zusammenfassung Hintergrund: Weichteilsarkome (WTS) der Extremitäten sind selten. Hintergrund der vorliegenden Arbeit ist die Identifizierung von prognostischen Risikofaktoren hinsichtlich des Überlebens von Patienten mit primären WTS.Material und Methode: Daten von Patienten, Tumoren und Therapie von 149 konsekutiven Patienten mit primären WTS der Extremitäten und des Rumpfs wurden anhand Kaplan-Meier- und Cox-Regressionsanalysen auf uni- und multivariate Risikofaktoren untersucht. Eine Untergruppenanalyse wurde durchgeführt, um Vorhersageparameter von Patientenüberleben in Abhängigkeit des Behandlungszeitraums zu erfassen.Ergebnisse: Die 5-Jahres-Überlebensrate war 76,5% bei einer mittleren Nachbeobachtungszeit von 6 Jahren. Ein Lokalrezidiv trat bei 23% aller Patienten auf, in 40% vor 1988 und bei 15% nach 1988 (p〈0,0001). Die folgenden Risikofaktoren waren mit einer verkürzten Überlebenszeit verbunden: Resektionsqualität (R0 vs. R1,p〈0,0001), Operationszeitraum (p〈0,002), Lokalrezidiv (p〈0,001), UICC Stadium (p〈0,0001), Tumorgröße (p〈0,001), Tumortiefe (p〈0,002), positive regionaler Lymphknotenstatus (p〈0,0001) und Histologiebefunde (p〈0,0001). In der multivariaten Analyse behielten Tumorgröße, Tumortiefe und die Resektionsqualität ihren prognostischen Wert als unabhängige Überlebensrisikofaktoren.Schlußfolgerung: Unsere Ergebnisse zeigen an, daß das Management von WTS in einem spezialisierten Zentrum das Überleben der Patienten entscheidend beeinflußt. Der Resektionsqualität kommt die wichtigste Bedeutung beim Überleben zu. Aus diesem Grund sollte jedes WTS schon während der initialen Behandlung mit dreidimensionalem Sicherheitsabstand unter Berücksichtigung der anatomischen Kompartimente behandelt werden.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Archives of orthopaedic and trauma surgery 116 (1997), S. 246-248 
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Secondary chondrosarcoma of the bone of the hand arising from a solitary enchondroma is a rare entity, with only 16 published cases in the literature. We report the clinicopathologic findings of a new case arising from a preexisting solitary enchondroma. A review of the literature is discussed.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Archives of orthopaedic and trauma surgery 116 (1997), S. 246-248 
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Secondary chondrosarcoma of the bone of the hand arising from a solitary enchondroma is a rare entity, with only 16 published cases in the literature. We report the clinicopathologic findings of a new case arising from a preexisting solitary enchondroma. A review of the literature is discussed.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 379 (1994), S. 358-360 
    ISSN: 1435-2451
    Keywords: Alimentary tract duplication ; Diagnosis ; Laparoscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Gastrointestinale Duplikaturen sind seltene Erkrankungen, die meist im Kindesalter symptomatisch werden. Häufig werden sie durch den palpablen Tumor diagnostiziert. Hauptkomplikationen sind Blutung, Perforation, Ileus oder Pankreatitis. Meist sind die Duplikaturen im Dünndarm lokalisiert. Eine eindeutige Diagnosestellung ist mittels bildgebender Verfahren kaum möglich. Eine maligne Entartung ist nicht bekannt. Die Indikation zur Resektion ergibt sick bei Vorliegen von Symptomen der Duplikaturen.
    Notes: Abstract Duplications of the alimentary tract are rare. Most of them are diagnosed during infancy or childhood, when they become symptomatic and a palpable mass is found. Major complications are bleeding, perforation, ileus and pancreatitis. In the majority of cases the gastrointestinal duplication is localized in the small bowel. Correct preoperative diagnosis by means of imaging techniques is rare. Because there is no malignancy surgery is only necessary in symptomatic cases.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 383 (1998), S. 442-446 
    ISSN: 1435-2451
    Keywords: Key words Gastric stromal sarcoma ; Surgical treatment ; Follow-up ; Prognostic factors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Twenty patients with gastric stromal sarcomas underwent surgery at the University Hospital of Hamburg-Eppendorf from 1979 to 1995. Symptoms were nonspecific. Exact preoperative diagnosis was difficult because of submucosal tumor growth. Operations varied from excision of the gastric wall to extended gastrectomy (pancreas, spleen, partial liver resection). Results: In 16 cases, tumor could be resected with wide margins (R0). In four cases, tumor was found at the resection line (R1). After a median follow-up of 69 months, 12 patients with R0 resections (including tumors with poor differentiation or infiltration of surrounding organs) lived tumor free, and two died due to other causes. All four patients with R1 resections died because of tumor disease within 40 months. All patients had a mean survival time of 59 months and a 5-year-survival rate of 69%. Conclusions: Our series shows that not all gastric malignancies have a dismal prognosis, but that gastric stromal sarcomas have a favorable follow-up if resected with wide margins at initial surgery.
    Type of Medium: Electronic Resource
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